{"id":25807,"date":"2026-08-02T02:22:56","date_gmt":"2026-08-01T17:22:56","guid":{"rendered":"https:\/\/genai-ai.co.jp\/ai-kanri\/?p=25807"},"modified":"2026-08-02T02:22:56","modified_gmt":"2026-08-01T17:22:56","slug":"c-integer-types","status":"publish","type":"post","link":"https:\/\/genai-ai.co.jp\/ai-kanri\/blog\/c-integer-types\/","title":{"rendered":"\u30102026\u5e748\u6708\u6700\u65b0\u3011C\u8a00\u8a9e\u306eint\u30fblong int\u30fbshort int\u306e\u4f7f\u3044\u65b9\u5b8c\u5168\u30ac\u30a4\u30c9\uff5c\u30b5\u30a4\u30ba\u30fb\u7bc4\u56f2\u30fb\u30aa\u30fc\u30d0\u30fc\u30d5\u30ed\u30fc\u5bfe\u7b56\u3068AI\u6642\u4ee3\u306e\u5b66\u3073\u65b9"},"content":{"rendered":"\n<style>\n.g-flow-row{display:flex;gap:8px;justify-content:center;flex-wrap:wrap;align-items:center;}\n.g-flow-item{background:linear-gradient(135deg,#1a1a1a,#2a1015);color:#fff;border-radius:8px;padding:16px 14px;min-width:130px;flex:1;text-align:center;}\n.g-flow-arrow{color:#dc2626;font-size:20px;font-weight:700;}\n.g-card-row{display:flex;gap:12px;flex-wrap:wrap;margin:0 0 32px;}\n.g-card-row>div{flex:1;min-width:220px;}\n@media(max-width:600px){\n  .g-flow-row{flex-direction:column;}\n  .g-flow-arrow{transform:rotate(90deg);}\n  .g-card-row{flex-direction:column;}\n  .g-card-row>div{min-width:100%;}\n}\n<\/style>\n\n\n\n<div style=\"margin:0 0 32px;\">\n  <img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/08\/thumb-c-integer-types-1.jpg\" alt=\"\u30102026\u5e748\u6708\u6700\u65b0\u3011C\u8a00\u8a9e\u306eint\u30fblong int\u30fbshort int\u306e\u4f7f\u3044\u65b9\u5b8c\u5168\u30ac\u30a4\u30c9\uff5c\u30b5\u30a4\u30ba\u30fb\u7bc4\u56f2\u30fb\u30aa\u30fc\u30d0\u30fc\u30d5\u30ed\u30fc\u5bfe\u7b56\u3068AI\u6642\u4ee3\u306e\u5b66\u3073\u65b9\" style=\"width:100%;height:auto;border-radius:12px;display:block;\">\n<\/div>\n\n\n\n<div style=\"background:#f8f9fa;border-radius:12px;padding:24px 28px;margin:0 0 32px;border-left:4px solid #dc2626;\">\n  <p style=\"font-size:15px;font-weight:700;color:#1a1a1a;margin:0 0 16px;\">\u3053\u306e\u8a18\u4e8b\u306e\u5185\u5bb9<\/p>\n  <ol style=\"margin:0;padding-left:20px;font-size:14px;line-height:2.2;list-style:none;\">\n    <li><a href=\"#sec-01\" style=\"color:#495057;text-decoration:none;\"><span style=\"color:#dc2626;font-weight:700;margin-right:8px;\">01<\/span>C\u8a00\u8a9e\u306e\u6574\u6570\u578b\uff08int\u30fblong int\u30fbshort int\uff09\u306e\u5168\u4f53\u50cf<\/a><\/li>\n    <li><a href=\"#sec-02\" style=\"color:#495057;text-decoration:none;\"><span style=\"color:#dc2626;font-weight:700;margin-right:8px;\">02<\/span>int\u578b\u306e\u4f7f\u3044\u65b9\u3092\u5b8c\u5168\u89e3\u8aac<\/a><\/li>\n    <li><a href=\"#sec-03\" style=\"color:#495057;text-decoration:none;\"><span style=\"color:#dc2626;font-weight:700;margin-right:8px;\">03<\/span>long int\u578b\u306e\u4f7f\u3044\u65b9\u3068\u300c\u74b0\u5883\u4f9d\u5b58\u300d\u306e\u7f60<\/a><\/li>\n    <li><a href=\"#sec-04\" style=\"color:#495057;text-decoration:none;\"><span style=\"color:#dc2626;font-weight:700;margin-right:8px;\">04<\/span>short int\u578b\u306e\u4f7f\u3044\u65b9\u3068\u30e1\u30e2\u30ea\u7bc0\u7d04\u306e\u8003\u3048\u65b9<\/a><\/li>\n    <li><a href=\"#sec-05\" style=\"color:#495057;text-decoration:none;\"><span style=\"color:#dc2626;font-weight:700;margin-right:8px;\">05<\/span>\u30ad\u30e3\u30b9\u30c8\u30fb\u30aa\u30fc\u30d0\u30fc\u30d5\u30ed\u30fc\u30fb\u66f8\u5f0f\u6307\u5b9a\u5b50\u30df\u30b9\u3067\u8d77\u304d\u308b\u5178\u578b\u30d0\u30b0<\/a><\/li>\n    <li><a href=\"#sec-06\" style=\"color:#495057;text-decoration:none;\"><span style=\"color:#dc2626;font-weight:700;margin-right:8px;\">06<\/span>\u3010\u72ec\u81ea\u3011Claude Code\u306bint\u30d0\u30b0\u3092\u691c\u51fa\u30fb\u4fee\u6b63\u3055\u305b\u3066\u307f\u305f<\/a><\/li>\n    <li><a href=\"#sec-07\" style=\"color:#495057;text-decoration:none;\"><span style=\"color:#dc2626;font-weight:700;margin-right:8px;\">07<\/span>\u3010\u72ec\u81ea\u30c7\u30fc\u30bf\u3011GENAI\u793e\u5185\u3067\u898b\u308b\u300cAI\u306b\u30b3\u30fc\u30c9\u54c1\u8cea\u7ba1\u7406\u3092\u4efb\u305b\u308b\u300d\u6642\u4ee3<\/a><\/li>\n    <li><a href=\"#sec-08\" style=\"color:#495057;text-decoration:none;\"><span style=\"color:#dc2626;font-weight:700;margin-right:8px;\">08<\/span>\u307e\u3068\u3081 \u2500\u2500 \u578b\u3092\u6b63\u3057\u304f\u9078\u3079\u308b\u4eba\u306f\u3001AI\u3082\u6b63\u3057\u304f\u4f7f\u3044\u3053\u306a\u305b\u308b<\/a><\/li>\n    <li><a href=\"#faq\" style=\"color:#495057;text-decoration:none;\"><span style=\"color:#dc2626;font-weight:700;margin-right:8px;\">FAQ<\/span>\u3088\u304f\u3042\u308b\u8cea\u554f<\/a><\/li>\n  <\/ol>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">C\u8a00\u8a9e\u3092\u5b66\u3073\u59cb\u3081\u308b\u3068\u3001\u5fc5\u305a\u3068\u8a00\u3063\u3066\u3044\u3044\u307b\u3069\u6700\u521d\u306b\u3064\u307e\u305a\u304f\u306e\u304c\u300c\u6574\u6570\u578b\u304c\u4f55\u7a2e\u985e\u3082\u3042\u308b\u300d\u554f\u984c\u3067\u3059\u3002<strong>int\u3001long int\u3001short int<\/strong>\u2014\u2014\u540d\u524d\u306f\u4f3c\u3066\u3044\u308b\u306e\u306b\u3001\u30b5\u30a4\u30ba\u3082\u6271\u3048\u308b\u6570\u5024\u306e\u7bc4\u56f2\u3082\u9055\u3046\u3002\u3057\u304b\u3082\u5384\u4ecb\u306a\u3053\u3068\u306b\u3001\u305d\u306e\u30b5\u30a4\u30ba\u306f\u300c\u4f7f\u3063\u3066\u3044\u308b\u30d1\u30bd\u30b3\u30f3\u3084\u30b3\u30f3\u30d1\u30a4\u30e9\u306b\u3088\u3063\u3066\u5909\u308f\u308b\u300d\u3053\u3068\u3059\u3089\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001C\u8a00\u8a9e\u306e3\u3064\u306e\u6574\u6570\u578b\uff08int \/ long int \/ short int\uff09\u306b\u3064\u3044\u3066\u3001<strong>\u30b5\u30a4\u30ba\u30fb\u7bc4\u56f2\u30fb\u66f8\u5f0f\u6307\u5b9a\u5b50\u30fb\u5ba3\u8a00\u65b9\u6cd5<\/strong>\u3092\u521d\u5fc3\u8005\u306b\u3082\u308f\u304b\u308b\u30ec\u30d9\u30eb\u307e\u3067\u565b\u307f\u7815\u3044\u3066\u89e3\u8aac\u3057\u307e\u3059\u3002\u3055\u3089\u306b\u3001\u30aa\u30fc\u30d0\u30fc\u30d5\u30ed\u30fc\u3084\u30ad\u30e3\u30b9\u30c8\u3067\u5b9f\u969b\u306b\u8d77\u304d\u308b\u5178\u578b\u7684\u306a\u30d0\u30b0\u306e\u30d1\u30bf\u30fc\u30f3\u3001Windows \u3068 Linux \u3067\u6319\u52d5\u304c\u5909\u308f\u3063\u3066\u3057\u307e\u3046\u300c\u74b0\u5883\u4f9d\u5b58\u306e\u7f60\u300d\u307e\u3067\u3001\u7af6\u5408\u306e\u5165\u9580\u8a18\u4e8b\u3088\u308a\u3082\u4e00\u6bb5\u6df1\u304f\u8e0f\u307f\u8fbc\u3093\u3067\u6574\u7406\u3057\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<div class=\"balloon-wrap\">\n  <div class=\"balloon-icon\">\n    <img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/04\/ceo-sugasawa.jpg\" alt=\"\u4ee3\u8868\u83c5\u6fa4\">\n    <span class=\"balloon-name\">\u4ee3\u8868\u83c5\u6fa4<\/span>\n  <\/div>\n  <div class=\"balloon-body\">C\u8a00\u8a9e\u306eint\u578b\u3001long int\u578b\u3001short int\u578b\u306e\u9055\u3044\u3063\u3066\u3001\u5b9f\u306f\u300c\u30b5\u30a4\u30ba\u304c\u898f\u683c\u3067\u53b3\u5bc6\u306b\u6c7a\u307e\u3063\u3066\u3044\u306a\u3044\u300d\u3068\u3044\u3046\u306e\u304c\u4e00\u756a\u306e\u843d\u3068\u3057\u7a74\u306a\u3093\u3067\u3059\u3002\u79c1\u81ea\u8eab\u3001\u6614int\u3068long\u306e\u7bc4\u56f2\u3092\u52d8\u9055\u3044\u3057\u3066\u30cf\u30de\u3063\u305f\u7d4c\u9a13\u304c\u3042\u308a\u307e\u3059\u3002<\/div>\n<\/div>\n\n\n\n<div class=\"balloon-wrap is-right\">\n  <div class=\"balloon-icon\">\n    <img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/04\/yamazaki-avatar.png\" alt=\"AI\u9b3c\u7ba1\u7406\u5c71\u5d0e\">\n    <span class=\"balloon-name\">AI\u9b3c\u7ba1\u7406\u5c71\u5d0e<\/span>\n  <\/div>\n  <div class=\"balloon-body\">\u4eca\u65e5\u306f\u300c\u3068\u308a\u3042\u3048\u305aint\u3092\u4f7f\u3063\u3066\u304a\u3051\u3070\u5b89\u5fc3\u300d\u3068\u3044\u3046\u601d\u8003\u505c\u6b62\u3092\u5352\u696d\u3067\u304d\u308b\u3068\u3053\u308d\u307e\u3067\u3001\u5177\u4f53\u7684\u306a\u6570\u5024\u3068\u4e00\u7dd2\u306b\u6574\u7406\u3057\u3066\u3044\u304d\u307e\u3059\u3002\u5f8c\u534a\u3067\u306f\u3001\u3053\u3046\u3057\u305f\u578b\u306e\u30d0\u30b0\u3092AI\u306b\u30c1\u30a7\u30c3\u30af\u3055\u305b\u308b\u3068\u3069\u3046\u306a\u308b\u304b\u3082\u5b9f\u969b\u306b\u898b\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/div>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u8a18\u4e8b\u3092\u6700\u5f8c\u307e\u3067\u8aad\u3080\u3068\u3001\u6b21\u306e7\u3064\u304c\u660e\u78ba\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<div style=\"background:#fafafa;border-radius:8px;padding:16px 20px;margin:16px 0;border-left:4px solid #dc2626;\">\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span><strong>int\u30fblong int\u30fbshort int<\/strong>\u305d\u308c\u305e\u308c\u306e\u6b63\u78ba\u306a\u30b5\u30a4\u30ba\u3068\u6570\u5024\u306e\u7bc4\u56f2<\/span><\/div>\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span><strong>printf \u306e\u66f8\u5f0f\u6307\u5b9a\u5b50<\/strong>\uff08%d\u30fb%u\u30fb%ld\u30fb%lu \u306a\u3069\uff09\u306e\u6b63\u3057\u3044\u4f7f\u3044\u5206\u3051<\/span><\/div>\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span><strong>long int\u306e\u30b5\u30a4\u30ba\u304c\u74b0\u5883\u306b\u3088\u3063\u3066\u5909\u308f\u308b<\/strong>\u7406\u7531\u3068\u3001\u30cf\u30de\u3089\u306a\u3044\u305f\u3081\u306e\u5bfe\u7b56<\/span><\/div>\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span><strong>\u30aa\u30fc\u30d0\u30fc\u30d5\u30ed\u30fc\u30fb\u30ad\u30e3\u30b9\u30c8<\/strong>\u3067\u5b9f\u969b\u306b\u8d77\u304d\u308b\u30d0\u30b0\u306e\u5177\u4f53\u4f8b\u3068\u9632\u304e\u65b9<\/span><\/div>\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span><strong>\u7b26\u53f7\u3042\u308a(signed)\/\u7b26\u53f7\u306a\u3057(unsigned)<\/strong>\u3092\u6df7\u5728\u3055\u305b\u305f\u3068\u304d\u306b\u8d77\u304d\u308b\u4e8b\u6545<\/span><\/div>\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span><strong>Claude Code\u306b\u30b3\u30fc\u30c9\u30ec\u30d3\u30e5\u30fc\u3092\u3055\u305b\u305f\u5b9f\u4f8b<\/strong>\u3068\u3001AI\u304c\u6307\u6458\u3057\u305f\u30dd\u30a4\u30f3\u30c8<\/span><\/div>\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span><strong>\u975e\u30a8\u30f3\u30b8\u30cb\u30a2\u3067\u3082\u30b3\u30fc\u30c9\u306e\u54c1\u8cea\u7ba1\u7406\u3092AI\u306b\u4efb\u305b\u3089\u308c\u308b<\/strong>\u6642\u4ee3\u306e\u8003\u3048\u65b9<\/span><\/div>\n\n<\/div>\n\n\n<div style=\"margin:48px 0 8px;display:flex;gap:12px;justify-content:center;flex-wrap:wrap;\"><a href=\"https:\/\/aikanri.genai-ai.co.jp\/seminar2-blog\/?utm_source=blog&#038;utm_medium=h2banner&#038;utm_content=c-integer-types&#038;blog_slug=c-integer-types\" target=\"_blank\" rel=\"noopener\" aria-label=\"Claude Code \u5b8c\u5168\u89e3\u8aac\u30bb\u30df\u30ca\u30fc\uff08\u7121\u6599\u30fb1on1\u30fb60\u5206\uff09\u306e\u4e88\u7d04\u753b\u9762\u3078\" style=\"flex:1 1 280px;max-width:360px;text-decoration:none;\"><img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/05\/cta_seminar_claude_code_2026.jpg\" alt=\"Claude Code \u5b8c\u5168\u89e3\u8aac\u30bb\u30df\u30ca\u30fc\uff5c\u7d4c\u55b6\u8005\u30fb\u4f1a\u793e\u5f79\u54e1\u5c02\u7528 1on1 60\u5206 \u7121\u6599\" style=\"width:100%;height:auto;border-radius:8px;display:block;\"><\/a><a href=\"https:\/\/aikanri.genai-ai.co.jp\/?utm_source=blog&#038;utm_medium=h2banner&#038;utm_campaign=c-integer-types&#038;utm_content=h2-banner-kanri\" target=\"_blank\" rel=\"noopener\" aria-label=\"AI\u9b3c\u7ba1\u7406 \u516c\u5f0f\u30b5\u30a4\u30c8\u3078\" style=\"flex:1 1 280px;max-width:360px;text-decoration:none;\"><img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/05\/cta_blog_1to1.jpg\" alt=\"Claude Code\u3092\u7d4c\u55b6\u306b\u6d3b\u304b\u3057\u305f\u3044\u65b9\u3078 \u2014 AI\u9b3c\u7ba1\u7406\" style=\"width:100%;height:auto;border-radius:8px;display:block;\"><\/a><\/div>\n\n\n<div id=\"sec-01\"><\/div>\n<h2 class=\"section-header-img\" style=\"margin:32px 0 24px;border-radius:8px;overflow:hidden;background:linear-gradient(135deg,#1a1a1a 0%,#2a1015 100%);padding:32px 28px;color:#fff;position:relative;border:none;border-left:none;text-align:left;\">\n  <span class=\"section-number\" style=\"display:block;\">01<\/span>\n  <span class=\"section-label\" style=\"display:block;\">INTEGER TYPES OVERVIEW<\/span>\n  <span class=\"section-title\" style=\"display:block;\">C\u8a00\u8a9e\u306e\u6574\u6570\u578b\uff08int\u30fblong int\u30fbshort int\uff09\u306e\u5168\u4f53\u50cf<\/span>\n  <span class=\"section-desc\">\u306a\u305c\u6574\u6570\u578b\u304c\u8907\u6570\u3042\u308b\u306e\u304b\u3001\u307e\u305a\u5168\u4f53\u50cf\u304b\u3089\u63b4\u3080<\/span>\n<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">C\u8a00\u8a9e\u304c\u306a\u305c\u6574\u6570\u578b\u30921\u7a2e\u985e\u306b\u7d71\u4e00\u305b\u305a\u3001int\u30fblong int\u30fbshort int\u3068\u8907\u6570\u7528\u610f\u3057\u3066\u3044\u308b\u306e\u304b\u3002\u7406\u7531\u306f\u30b7\u30f3\u30d7\u30eb\u3067\u3001<strong>\u300c\u6271\u3044\u305f\u3044\u6570\u5024\u306e\u5927\u304d\u3055\u300d\u3068\u300c\u4f7f\u3048\u308b\u30e1\u30e2\u30ea\u91cf\u300d\u306e\u30d0\u30e9\u30f3\u30b9\u3092\u3001\u30d7\u30ed\u30b0\u30e9\u30de\u81ea\u8eab\u304c\u9078\u3079\u308b\u3088\u3046\u306b\u3059\u308b\u305f\u3081<\/strong>\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u7d44\u307f\u8fbc\u307f\u6a5f\u5668\u306e\u3088\u3046\u306b\u30e1\u30e2\u30ea\u304c\u6570KB\u3057\u304b\u306a\u3044\u74b0\u5883\u3067\u306f\u3001\u5909\u65701\u3064\u304c4\u30d0\u30a4\u30c8\u304b2\u30d0\u30a4\u30c8\u304b\u306f\u6b7b\u6d3b\u554f\u984c\u306b\u306a\u308a\u307e\u3059\u3002\u4e00\u65b9\u3001\u5927\u304d\u306a\u91d1\u984d\u3084\u65e5\u6642\u306e\u30b7\u30ea\u30a2\u30eb\u5024\u3092\u6271\u3046\u30d7\u30ed\u30b0\u30e9\u30e0\u3067\u306f\u3001int\u306e\u7bc4\u56f2\uff08\u7d04\u00b121\u5104\uff09\u3067\u306f\u6841\u304c\u8db3\u308a\u306a\u304f\u306a\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u300c\u4f7f\u3044\u5206\u3051\u300d\u306e\u767a\u60f3\u3092\u6700\u521d\u306b\u62bc\u3055\u3048\u3066\u304a\u304f\u3068\u3001\u4ee5\u964d\u306e\u5185\u5bb9\u304c\u7406\u89e3\u3057\u3084\u3059\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1-1. 3\u3064\u306e\u6574\u6570\u578b\u306e\u30b5\u30a4\u30ba\u30fb\u7bc4\u56f2\u3092\u4e00\u89a7\u3067\u6bd4\u8f03\u3059\u308b<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u307e\u305a\u306f\u5168\u4f53\u50cf\u3092\u4e00\u6c17\u306b\u63b4\u307f\u307e\u3057\u3087\u3046\u3002\u4ee5\u4e0b\u306f\u3001\u73fe\u4ee3\u306e\u4e3b\u8981\u306a64\u30d3\u30c3\u30c8\u74b0\u5883\uff08Linux\/macOS\u3067\u306e\u4e00\u822c\u7684\u306a\u69cb\u6210\uff09\u3092\u524d\u63d0\u306b\u3057\u305f\u5834\u5408\u306e\u30013\u3064\u306e\u6574\u6570\u578b\u306e\u30b5\u30a4\u30ba\u3068\u7bc4\u56f2\u3067\u3059\u3002<\/p>\n\n\n\n<table>\n<thead><tr><th>\u578b<\/th><th>\u30b5\u30a4\u30ba\uff08\u76ee\u5b89\uff09<\/th><th>\u7b26\u53f7\u3042\u308a(signed)\u306e\u7bc4\u56f2<\/th><th>\u7b26\u53f7\u306a\u3057(unsigned)\u306e\u7bc4\u56f2<\/th><th>\u4e3b\u306a\u66f8\u5f0f\u6307\u5b9a\u5b50<\/th><\/tr><\/thead>\n<tbody>\n<tr><td>short int<\/td><td>2\u30d0\u30a4\u30c8(16bit)<\/td><td>-32,768 \uff5e 32,767<\/td><td>0 \uff5e 65,535<\/td><td>%d\uff08\u51fa\u529b\uff09\/ %hd\uff08scanf\uff09<\/td><\/tr>\n<tr><td>int<\/td><td>4\u30d0\u30a4\u30c8(32bit)<\/td><td>-2,147,483,648 \uff5e 2,147,483,647<\/td><td>0 \uff5e 4,294,967,295<\/td><td>%d\uff08signed\uff09\/ %u\uff08unsigned\uff09<\/td><\/tr>\n<tr><td>long int<\/td><td>4\u307e\u305f\u306f8\u30d0\u30a4\u30c8\uff08\u74b0\u5883\u4f9d\u5b58\uff09<\/td><td>4\u30d0\u30a4\u30c8\u6642\u306fint\u3068\u540c\u3058\uff0f8\u30d0\u30a4\u30c8\u6642\u306f\u7d04\u00b1922\u4eac<\/td><td>4\u30d0\u30a4\u30c8\u6642\u306fint\u3068\u540c\u3058\uff0f8\u30d0\u30a4\u30c8\u6642\u306f\u7d041844\u4eac<\/td><td>%ld\uff08signed\uff09\/ %lu\uff08unsigned\uff09<\/td><\/tr>\n<\/tbody>\n<\/table>\n\n\n\n<div style=\"background:#f8f9fa;border-left:4px solid #6b7280;border-radius:0 8px 8px 0;padding:16px 20px;margin:20px 0;\">\n  <p style=\"margin:0 0 4px;font-size:13px;font-weight:700;color:#6b7280;letter-spacing:1px;\">&#128218; \u7528\u8a9e\u89e3\u8aac<\/p>\n  <p style=\"margin:0;font-size:15px;line-height:1.7;\"><strong>\u7b26\u53f7\u3042\u308a(signed)\u30fb\u7b26\u53f7\u306a\u3057(unsigned)<\/strong>\uff1a\u5909\u6570\u304c\u8ca0\u306e\u6570\u3092\u6271\u3046\u304b\u3069\u3046\u304b\u306e\u533a\u5225\u3002signed\u306f\u6b63\u8ca0\u4e21\u65b9\uff08\u30c7\u30d5\u30a9\u30eb\u30c8\uff09\u3001unsigned\u306f0\u4ee5\u4e0a\u306e\u6b63\u306e\u6570\u306e\u307f\u3092\u6271\u3044\u307e\u3059\u3002unsigned\u306b\u3059\u308b\u3068\u540c\u3058\u30d3\u30c3\u30c8\u6570\u3067\u3082\u8868\u73fe\u3067\u304d\u308b\u6b63\u306e\u6570\u306e\u4e0a\u9650\u304c\u7d042\u500d\u306b\u5e83\u304c\u308a\u307e\u3059\u304c\u3001\u8ca0\u306e\u6570\u3092\u4ee3\u5165\u3059\u308b\u3068\u610f\u56f3\u3057\u306a\u3044\u5de8\u5927\u306a\u6b63\u306e\u6570\u306b\u5316\u3051\u308b\u305f\u3081\u6ce8\u610f\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">1-2. \u306a\u305c\u300clong int\u306f4\u30d0\u30a4\u30c8\u307e\u305f\u306f8\u30d0\u30a4\u30c8\u300d\u306a\u306e\u304b<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e0a\u306e\u8868\u3067 long int \u3060\u3051\u300c4\u307e\u305f\u306f8\u30d0\u30a4\u30c8\uff08\u74b0\u5883\u4f9d\u5b58\uff09\u300d\u3068\u3042\u3044\u307e\u3044\u306a\u66f8\u304d\u65b9\u3092\u3057\u3066\u3044\u308b\u306e\u306b\u306f\u7406\u7531\u304c\u3042\u308a\u307e\u3059\u3002C\u8a00\u8a9e\u306e\u898f\u683c\uff08ISO\/IEC 9899\uff09\u306f\u3001\u5404\u6574\u6570\u578b\u306b\u3064\u3044\u3066<strong>\u300c\u6700\u4f4e\u9650\u4fdd\u8a3c\u3059\u308b\u30d3\u30c3\u30c8\u6570\u300d<\/strong>\u3057\u304b\u5b9a\u3081\u3066\u304a\u3089\u305a\u3001\u6b63\u78ba\u306a\u5b9f\u88c5\u30b5\u30a4\u30ba\u306f\u30b3\u30f3\u30d1\u30a4\u30e9\u3068OS\u306e\u7d44\u307f\u5408\u308f\u305b\uff08\u30c7\u30fc\u30bf\u30e2\u30c7\u30eb\uff09\u306b\u59d4\u306d\u3089\u308c\u3066\u3044\u308b\u305f\u3081\u3067\u3059\u3002<\/p>\n\n\n\n<table>\n<thead><tr><th>\u578b<\/th><th>\u898f\u683c\u4e0a\u306e\u6700\u4f4e\u4fdd\u8a3c<\/th><th>\u5b9f\u52d9\u4e0a\u306e\u4e00\u822c\u7684\u306a\u5b9f\u88c5<\/th><\/tr><\/thead>\n<tbody>\n<tr><td>short int<\/td><td>16\u30d3\u30c3\u30c8\u4ee5\u4e0a<\/td><td>2\u30d0\u30a4\u30c8\uff0816bit\uff09\u3067\u307b\u307c\u7d71\u4e00<\/td><\/tr>\n<tr><td>int<\/td><td>16\u30d3\u30c3\u30c8\u4ee5\u4e0a<\/td><td>4\u30d0\u30a4\u30c8\uff0832bit\uff09\u304c\u73fe\u4ee3\u306e\u6a19\u6e96<\/td><\/tr>\n<tr><td>long int<\/td><td>32\u30d3\u30c3\u30c8\u4ee5\u4e0a<\/td><td>\u74b0\u5883\u306b\u3088\u308a4\u30d0\u30a4\u30c8\u307e\u305f\u306f8\u30d0\u30a4\u30c8\uff08\u8a73\u7d30\u306f\u7b2c3\u7ae0\uff09<\/td><\/tr>\n<\/tbody>\n<\/table>\n\n\n\n<p class=\"wp-block-paragraph\">\u3064\u307e\u308a\u300cint \u306f4\u30d0\u30a4\u30c8\u300d\u300clong int \u306f8\u30d0\u30a4\u30c8\u300d\u3068\u4e38\u6697\u8a18\u3057\u3066\u3057\u307e\u3046\u3068\u3001\u74b0\u5883\u306b\u3088\u3063\u3066\u306f\u75db\u3044\u76ee\u3092\u898b\u307e\u3059\u3002\u3053\u306e\u5f8c\u306e\u7ae0\u3067\u3001int\u30fblong int\u30fbshort int \u305d\u308c\u305e\u308c\u306e\u4f7f\u3044\u65b9\u3092\u5177\u4f53\u7684\u306a\u30b3\u30fc\u30c9\u4f8b\u3068\u3068\u3082\u306b\u898b\u3066\u3044\u304d\u3001\u6700\u5f8c\u306b\u3053\u306e\u300c\u74b0\u5883\u4f9d\u5b58\u300d\u304c\u3069\u3093\u306a\u30d0\u30b0\u3092\u5f15\u304d\u8d77\u3053\u3059\u306e\u304b\u3092\u8a73\u3057\u304f\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<div style=\"background:#f0fdf4;border:1px solid #22c55e;border-radius:8px;padding:20px 24px;margin:24px 0;\">\n  <div style=\"display:flex;align-items:center;gap:8px;margin-bottom:12px;\">\n    <span style=\"font-size:18px;\">&#128161;<\/span>\n    <strong style=\"color:#16a34a;font-size:15px;\">\u3053\u306e\u8a18\u4e8b\u306e\u8aad\u307f\u65b9<\/strong>\n  <\/div>\n  <p style=\"margin:0;font-size:15px;line-height:1.8;color:#333;\">\u300c\u3068\u308a\u3042\u3048\u305a\u30b3\u30fc\u30c9\u3092\u52d5\u304b\u3057\u305f\u3044\u300d\u65b9\u306f\u7b2c2\u301c4\u7ae0\u306e\u4f7f\u3044\u65b9\u304b\u3089\u3001\u300c\u306a\u305c\u304bC\u8a00\u8a9e\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u304c\u74b0\u5883\u306b\u3088\u3063\u3066\u52d5\u4f5c\u304c\u5909\u308f\u3063\u3066\u56f0\u3063\u3066\u3044\u308b\u300d\u65b9\u306f\u7b2c5\u7ae0\u306e\u30aa\u30fc\u30d0\u30fc\u30d5\u30ed\u30fc\u30fb\u30ad\u30e3\u30b9\u30c8\u4e8b\u6545\u306e\u7ae0\u304b\u3089\u8aad\u3080\u3068\u52b9\u7387\u7684\u3067\u3059\u3002<\/p>\n<\/div>\n\n\n<div style=\"margin:48px 0 8px;display:flex;gap:12px;justify-content:center;flex-wrap:wrap;\"><a href=\"https:\/\/aikanri.genai-ai.co.jp\/seminar2-blog\/?utm_source=blog&#038;utm_medium=h2banner&#038;utm_content=c-integer-types&#038;blog_slug=c-integer-types\" target=\"_blank\" rel=\"noopener\" aria-label=\"Claude Code \u5b8c\u5168\u89e3\u8aac\u30bb\u30df\u30ca\u30fc\uff08\u7121\u6599\u30fb1on1\u30fb60\u5206\uff09\u306e\u4e88\u7d04\u753b\u9762\u3078\" style=\"flex:1 1 280px;max-width:360px;text-decoration:none;\"><img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/05\/cta_seminar_claude_code_2026.jpg\" alt=\"Claude Code \u5b8c\u5168\u89e3\u8aac\u30bb\u30df\u30ca\u30fc\uff5c\u7d4c\u55b6\u8005\u30fb\u4f1a\u793e\u5f79\u54e1\u5c02\u7528 1on1 60\u5206 \u7121\u6599\" style=\"width:100%;height:auto;border-radius:8px;display:block;\"><\/a><a href=\"https:\/\/aikanri.genai-ai.co.jp\/?utm_source=blog&#038;utm_medium=h2banner&#038;utm_campaign=c-integer-types&#038;utm_content=h2-banner-kanri\" target=\"_blank\" rel=\"noopener\" aria-label=\"AI\u9b3c\u7ba1\u7406 \u516c\u5f0f\u30b5\u30a4\u30c8\u3078\" style=\"flex:1 1 280px;max-width:360px;text-decoration:none;\"><img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/05\/cta_blog_1to1.jpg\" alt=\"Claude Code\u3092\u7d4c\u55b6\u306b\u6d3b\u304b\u3057\u305f\u3044\u65b9\u3078 \u2014 AI\u9b3c\u7ba1\u7406\" style=\"width:100%;height:auto;border-radius:8px;display:block;\"><\/a><\/div>\n\n\n<div id=\"sec-02\"><\/div>\n<h2 class=\"section-header-img\" style=\"margin:32px 0 24px;border-radius:8px;overflow:hidden;background:linear-gradient(135deg,#1a1a1a 0%,#2a1015 100%);padding:32px 28px;color:#fff;position:relative;border:none;border-left:none;text-align:left;\">\n  <span class=\"section-number\" style=\"display:block;\">02<\/span>\n  <span class=\"section-label\" style=\"display:block;\">INT TYPE<\/span>\n  <span class=\"section-title\" style=\"display:block;\">int\u578b\u306e\u4f7f\u3044\u65b9\u3092\u5b8c\u5168\u89e3\u8aac<\/span>\n  <span class=\"section-desc\">\u5ba3\u8a00\u30fb\u7bc4\u56f2\u30fb\u66f8\u5f0f\u6307\u5b9a\u5b50\u30fb\u30aa\u30fc\u30d0\u30fc\u30d5\u30ed\u30fc\u306e\u57fa\u672c<\/span>\n<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">int\u578b\u306f\u3001C\u8a00\u8a9e\u3067\u6700\u3082\u3088\u304f\u4f7f\u308f\u308c\u308b\u6574\u6570\u578b\u3067\u3059\u3002\u7279\u5225\u306a\u7406\u7531\u304c\u306a\u3044\u9650\u308a\u3001\u307e\u305aint\u578b\u3092\u9078\u3093\u3067\u304a\u3051\u3070\u5927\u304d\u306a\u5931\u6557\u306f\u3057\u307e\u305b\u3093\u3002\u3053\u3053\u3067\u306f\u3001\u5ba3\u8a00\u65b9\u6cd5\u304b\u3089\u5b9f\u969b\u306e\u6570\u5024\u306e\u7bc4\u56f2\u3001\u6b63\u3057\u3044\u66f8\u5f0f\u6307\u5b9a\u5b50\u306e\u4f7f\u3044\u65b9\u307e\u3067\u4e00\u901a\u308a\u62bc\u3055\u3048\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"balloon-wrap is-right\">\n  <div class=\"balloon-icon\">\n    <img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/04\/yamazaki-avatar.png\" alt=\"AI\u9b3c\u7ba1\u7406\u5c71\u5d0e\">\n    <span class=\"balloon-name\">AI\u9b3c\u7ba1\u7406\u5c71\u5d0e<\/span>\n  <\/div>\n  <div class=\"balloon-body\">int\u578b\u306f\u300c\u56f0\u3063\u305f\u3089\u3053\u308c\u3092\u4f7f\u3046\u300d\u3067\u554f\u984c\u3042\u308a\u307e\u305b\u3093\u3002\u7bc4\u56f2\u3084\u74b0\u5883\u4f9d\u5b58\u3092\u6c17\u306b\u3057\u306a\u3051\u308c\u3070\u3044\u3051\u306a\u3044\u306e\u306f\u3001\u3042\u304f\u307e\u3067long int\u3084short int\u3092\u691c\u8a0e\u3059\u308b\u30bf\u30a4\u30df\u30f3\u30b0\u306b\u306a\u3063\u3066\u304b\u3089\u3067\u3059\u3002<\/div>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">2-1. int\u578b\u306e\u5ba3\u8a00\u65b9\u6cd5\u3068sizeof\u6f14\u7b97\u5b50\u3067\u306e\u78ba\u8a8d<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">int\u578b\u306e\u5909\u6570\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u5ba3\u8a00\u3057\u307e\u3059\u3002\u5024\u3092\u4ee3\u5165\u3057\u306a\u3044\u5834\u5408\u306f\u4e0d\u5b9a\u5024\uff08\u30b4\u30df\u5024\uff09\u304c\u5165\u308b\u305f\u3081\u3001\u521d\u671f\u5316\u3059\u308b\u7fd2\u6163\u3092\u3064\u3051\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<pre style=\"background:#1a1a1a;color:#e5e5e5;padding:16px 20px;border-radius:8px;overflow-x:auto;font-size:13px;line-height:1.7;\"><code>#include &lt;stdio.h&gt;\n\nint main(void) {\n    int age = 20;                 \/\/ int\u578b\u306e\u5ba3\u8a00\u3068\u521d\u671f\u5316\n    unsigned int count = 0;       \/\/ \u7b26\u53f7\u306a\u3057int\u578b\n\n    printf(\"age = %d\\n\", age);\n    printf(\"count = %u\\n\", count);\n    printf(\"sizeof(int) = %zu \u30d0\u30a4\u30c8\\n\", sizeof(int));\n\n    return 0;\n}<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><code>sizeof(int)<\/code>\u3092\u4f7f\u3046\u3068\u3001\u81ea\u5206\u306e\u74b0\u5883\u3067\u5b9f\u969b\u306b\u4f55\u30d0\u30a4\u30c8\u78ba\u4fdd\u3055\u308c\u3066\u3044\u308b\u304b\u3092\u305d\u306e\u5834\u3067\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002\u300c\u8868\u306b\u66f8\u3044\u3066\u3042\u308b\u6570\u5024\u3092\u9d5c\u5451\u307f\u306b\u305b\u305a\u3001\u81ea\u5206\u306e\u74b0\u5883\u3067\u78ba\u8a8d\u3059\u308b\u300d\u306e\u306fC\u8a00\u8a9e\u5b66\u7fd2\u306b\u304a\u3051\u308b\u9244\u5247\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2-2. limits.h\u3067\u7bc4\u56f2\u306e\u6700\u5927\u5024\u30fb\u6700\u5c0f\u5024\u3092\u53d6\u5f97\u3059\u308b<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">int\u578b\u306e\u7bc4\u56f2\u3092\u6697\u8a18\u3059\u308b\u5fc5\u8981\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u6a19\u6e96\u30d8\u30c3\u30c0<code>&lt;limits.h&gt;<\/code>\u3092\u4f7f\u3048\u3070\u3001\u305d\u306e\u74b0\u5883\u3067\u306e\u6700\u5927\u5024\u30fb\u6700\u5c0f\u5024\u3092\u30d7\u30ed\u30b0\u30e9\u30e0\u304b\u3089\u76f4\u63a5\u53d6\u5f97\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<pre style=\"background:#1a1a1a;color:#e5e5e5;padding:16px 20px;border-radius:8px;overflow-x:auto;font-size:13px;line-height:1.7;\"><code>#include &lt;stdio.h&gt;\n#include &lt;limits.h&gt;\n\nint main(void) {\n    printf(\"INT_MIN  = %d\\n\", INT_MIN);\n    printf(\"INT_MAX  = %d\\n\", INT_MAX);\n    printf(\"UINT_MAX = %u\\n\", UINT_MAX);\n    return 0;\n}<\/code><\/pre>\n\n\n\n<div style=\"background:#fafafa;border-radius:8px;padding:16px 20px;margin:16px 0;border-left:4px solid #dc2626;\">\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span>INT_MIN \/ INT_MAX\uff1asigned int \u306e\u6700\u5c0f\u5024\u30fb\u6700\u5927\u5024<\/span><\/div>\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span>UINT_MAX\uff1aunsigned int \u306e\u6700\u5927\u5024\uff08\u6700\u5c0f\u5024\u306f\u5fc5\u305a0\uff09<\/span><\/div>\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span>\u3053\u308c\u3089\u306f\u30de\u30af\u30ed\u306a\u306e\u3067\u3001\u30b3\u30f3\u30d1\u30a4\u30eb\u6642\u306b\u74b0\u5883\u3054\u3068\u306e\u6b63\u3057\u3044\u5024\u3078\u7f6e\u304d\u63db\u308f\u308b<\/span><\/div>\n\n<\/div>\n\n\n\n<div style=\"background:#f8f9fa;border-left:4px solid #6b7280;border-radius:0 8px 8px 0;padding:16px 20px;margin:20px 0;\">\n  <p style=\"margin:0 0 4px;font-size:13px;font-weight:700;color:#6b7280;letter-spacing:1px;\">&#128218; \u7528\u8a9e\u89e3\u8aac<\/p>\n  <p style=\"margin:0;font-size:15px;line-height:1.7;\"><strong>\u66f8\u5f0f\u6307\u5b9a\u5b50\uff08\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u6307\u5b9a\u5b50\uff09<\/strong>\uff1aprintf\u30fbscanf\u3067\u5909\u6570\u306e\u578b\u3092\u3069\u3046\u89e3\u91c8\u3057\u3066\u8868\u793a\u30fb\u5165\u529b\u3059\u308b\u304b\u3092\u6307\u5b9a\u3059\u308b\u8a18\u53f7\u3002%d\u306fint\u578b\u309210\u9032\u6570\u3067\u6271\u3046\u3053\u3068\u3092\u610f\u5473\u3057\u307e\u3059\u3002\u578b\u3068\u66f8\u5f0f\u6307\u5b9a\u5b50\u304c\u98df\u3044\u9055\u3046\u3068\u3001\u6b63\u3057\u304f\u8868\u793a\u3055\u308c\u306a\u3044\u3001\u307e\u305f\u306f\u672a\u5b9a\u7fa9\u52d5\u4f5c\uff08\u4e88\u6e2c\u4e0d\u80fd\u306a\u7d50\u679c\uff09\u3092\u5f15\u304d\u8d77\u3053\u3059\u305f\u3081\u3001\u5fc5\u305a\u5909\u6570\u306e\u578b\u3068\u4e00\u81f4\u3055\u305b\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">2-3. \u3010\u6ce8\u610f\u70b9\u3011int\u578b\u306e\u30aa\u30fc\u30d0\u30fc\u30d5\u30ed\u30fc\u306f\u300c\u672a\u5b9a\u7fa9\u52d5\u4f5c\u300d<\/h3>\n\n\n\n<div style=\"background:#fef2f2;border:2px solid #dc2626;border-radius:8px;padding:20px 24px;margin:24px 0;\">\n  <div style=\"display:flex;align-items:center;gap:8px;margin-bottom:12px;\">\n    <span style=\"font-size:20px;\">&#9888;&#65039;<\/span>\n    <strong style=\"color:#dc2626;font-size:16px;\">signed int\u306e\u30aa\u30fc\u30d0\u30fc\u30d5\u30ed\u30fc\u306b\u6ce8\u610f<\/strong>\n  <\/div>\n  <p style=\"margin:0;font-size:15px;line-height:1.8;color:#333;\">INT_MAX\u306b1\u3092\u8db3\u3059\u3068\u3069\u3046\u306a\u308b\u304b\u2014\u2014\u591a\u304f\u306e\u74b0\u5883\u3067\u306f\u5358\u7d14\u306b\u4e00\u756a\u5c0f\u3055\u3044\u5024\uff08\u8ca0\u306e\u6570\uff09\u3078\u6298\u308a\u8fd4\u308a\u307e\u3059\u304c\u3001\u3053\u308c\u306fC\u8a00\u8a9e\u306e\u898f\u683c\u4e0a\u300c\u672a\u5b9a\u7fa9\u52d5\u4f5c\u300d\u3067\u3042\u308a\u3001\u5fc5\u305a\u305d\u3046\u52d5\u304f\u4fdd\u8a3c\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u30b3\u30f3\u30d1\u30a4\u30e9\u306e\u6700\u9069\u5316\u6b21\u7b2c\u3067\u306f\u3001\u76f4\u611f\u306b\u53cd\u3059\u308b\u7d50\u679c\u306b\u306a\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u300csigned int\u306f\u6ea2\u308c\u3055\u305b\u306a\u3044\u300d\u3053\u3068\u3092\u524d\u63d0\u306b\u8a2d\u8a08\u3059\u308b\u306e\u304c\u5b89\u5168\u3067\u3059\u3002<\/p>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u307e\u3068\u3081\u308b\u3068\u3001int\u578b\u306fC\u8a00\u8a9e\u306b\u304a\u3051\u308b\u300c\u57fa\u672c\u306e\u6574\u6570\u578b\u300d\u3067\u3042\u308a\u3001\u7279\u5225\u306a\u4e8b\u60c5\u304c\u306a\u3051\u308c\u3070\u307e\u305a\u6700\u521d\u306b\u691c\u8a0e\u3059\u3079\u304d\u578b\u3067\u3059\u3002\u7bc4\u56f2\u3092\u8d85\u3048\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u51e6\u7406\u3067\u306f\u3001\u6b21\u7ae0\u306elong int\u578b\u3001\u3042\u308b\u3044\u306f\u30e1\u30e2\u30ea\u3092\u7bc0\u7d04\u3057\u305f\u3044\u5834\u5408\u306f\u7b2c4\u7ae0\u306eshort int\u578b\u3092\u691c\u8a0e\u3057\u307e\u3059\u3002<\/p>\n\n\n<div style=\"margin:48px 0 8px;display:flex;gap:12px;justify-content:center;flex-wrap:wrap;\"><a href=\"https:\/\/aikanri.genai-ai.co.jp\/seminar2-blog\/?utm_source=blog&#038;utm_medium=h2banner&#038;utm_content=c-integer-types&#038;blog_slug=c-integer-types\" target=\"_blank\" rel=\"noopener\" aria-label=\"Claude Code \u5b8c\u5168\u89e3\u8aac\u30bb\u30df\u30ca\u30fc\uff08\u7121\u6599\u30fb1on1\u30fb60\u5206\uff09\u306e\u4e88\u7d04\u753b\u9762\u3078\" style=\"flex:1 1 280px;max-width:360px;text-decoration:none;\"><img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/05\/cta_seminar_claude_code_2026.jpg\" alt=\"Claude Code \u5b8c\u5168\u89e3\u8aac\u30bb\u30df\u30ca\u30fc\uff5c\u7d4c\u55b6\u8005\u30fb\u4f1a\u793e\u5f79\u54e1\u5c02\u7528 1on1 60\u5206 \u7121\u6599\" style=\"width:100%;height:auto;border-radius:8px;display:block;\"><\/a><a href=\"https:\/\/aikanri.genai-ai.co.jp\/?utm_source=blog&#038;utm_medium=h2banner&#038;utm_campaign=c-integer-types&#038;utm_content=h2-banner-kanri\" target=\"_blank\" rel=\"noopener\" aria-label=\"AI\u9b3c\u7ba1\u7406 \u516c\u5f0f\u30b5\u30a4\u30c8\u3078\" style=\"flex:1 1 280px;max-width:360px;text-decoration:none;\"><img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/05\/cta_blog_1to1.jpg\" alt=\"Claude Code\u3092\u7d4c\u55b6\u306b\u6d3b\u304b\u3057\u305f\u3044\u65b9\u3078 \u2014 AI\u9b3c\u7ba1\u7406\" style=\"width:100%;height:auto;border-radius:8px;display:block;\"><\/a><\/div>\n\n\n<div id=\"sec-03\"><\/div>\n<h2 class=\"section-header-img\" style=\"margin:32px 0 24px;border-radius:8px;overflow:hidden;background:linear-gradient(135deg,#1a1a1a 0%,#2a1015 100%);padding:32px 28px;color:#fff;position:relative;border:none;border-left:none;text-align:left;\">\n  <span class=\"section-number\" style=\"display:block;\">03<\/span>\n  <span class=\"section-label\" style=\"display:block;\">LONG INT TYPE<\/span>\n  <span class=\"section-title\" style=\"display:block;\">long int\u578b\u306e\u4f7f\u3044\u65b9\u3068\u300c\u74b0\u5883\u4f9d\u5b58\u300d\u306e\u7f60<\/span>\n  <span class=\"section-desc\">Windows \u3068 Linux \u3067\u30b5\u30a4\u30ba\u304c\u5909\u308f\u308b\u7406\u7531\u3092\u6b63\u3057\u304f\u7406\u89e3\u3059\u308b<\/span>\n<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">long int\u578b\uff08\u5358\u306b long \u3068\u3082\u66f8\u304f\uff09\u306f\u3001int\u578b\u3088\u308a\u3082\u5927\u304d\u306a\u6570\u5024\u3092\u6271\u3044\u305f\u3044\u3068\u304d\u306b\u4f7f\u3046\u6574\u6570\u578b\u3067\u3059\u3002\u300cint\u3067\u8db3\u308a\u306a\u3051\u308c\u3070long\u3092\u4f7f\u3048\u3070\u3044\u3044\u300d\u2014\u2014\u3053\u306e\u7406\u89e3\u81ea\u4f53\u306f\u6b63\u3057\u3044\u306e\u3067\u3059\u304c\u3001long int\u578b\u306b\u306f\u521d\u5fc3\u8005\u304c\u5fc5\u305a\u3068\u8a00\u3063\u3066\u3044\u3044\u307b\u3069\u8aa4\u89e3\u3059\u308b\u91cd\u5927\u306a\u30dd\u30a4\u30f3\u30c8\u304c\u3042\u308a\u307e\u3059\u3002\u305d\u308c\u304c<strong>\u300clong int\u306e\u30b5\u30a4\u30ba\u306fOS\u3068\u30b3\u30f3\u30d1\u30a4\u30e9\u306e\u7d44\u307f\u5408\u308f\u305b\u3067\u5909\u308f\u308b\u300d<\/strong>\u3068\u3044\u3046\u70b9\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3-1. long int\u578b\u306e\u5ba3\u8a00\u3068\u57fa\u672c\u7684\u306a\u4f7f\u3044\u65b9<\/h3>\n\n\n\n<pre style=\"background:#1a1a1a;color:#e5e5e5;padding:16px 20px;border-radius:8px;overflow-x:auto;font-size:13px;line-height:1.7;\"><code>#include &lt;stdio.h&gt;\n\nint main(void) {\n    long int population = 125000000L;      \/\/ L \u30b5\u30d5\u30a3\u30c3\u30af\u30b9\u3067long int\u578b\u30ea\u30c6\u30e9\u30eb\u3092\u660e\u793a\n    unsigned long int distance = 384400000UL; \/\/ \u5730\u7403\u304b\u3089\u6708\u307e\u3067\u306e\u8ddd\u96e2(m)\n\n    printf(\"population = %ld\\n\", population);\n    printf(\"distance   = %lu\\n\", distance);\n    printf(\"sizeof(long int) = %zu \u30d0\u30a4\u30c8\\n\", sizeof(long int));\n\n    return 0;\n}<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u6570\u5024\u30ea\u30c6\u30e9\u30eb\u306e\u672b\u5c3e\u306b<code>L<\/code>\uff08\u307e\u305f\u306f<code>UL<\/code>\uff09\u3092\u4ed8\u3051\u308b\u306e\u306f\u3001\u30b3\u30f3\u30d1\u30a4\u30e9\u306b\u300c\u3053\u306e\u30ea\u30c6\u30e9\u30eb\u306flong int\u578b\u3068\u3057\u3066\u6271\u3063\u3066\u307b\u3057\u3044\u300d\u3068\u660e\u793a\u3059\u308b\u305f\u3081\u3067\u3059\u3002\u7701\u7565\u3057\u3066\u3082\u591a\u304f\u306e\u5834\u5408\u306f\u52d5\u304d\u307e\u3059\u304c\u3001\u5927\u304d\u306a\u6570\u5024\u3092\u6271\u3046\u969b\u306f\u660e\u793a\u3057\u3066\u304a\u304f\u3068\u4e8b\u6545\u3092\u9632\u3052\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3-2. \u306a\u305cWindows\u3068Linux\u3067long int\u306e\u30b5\u30a4\u30ba\u304c\u9055\u3046\u306e\u304b<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">64\u30d3\u30c3\u30c8\u306e\u30d1\u30bd\u30b3\u30f3\u3092\u4f7f\u3063\u3066\u3044\u308b\u304b\u3089\u3068\u3044\u3063\u3066\u3001long int\u578b\u304c\u81ea\u52d5\u7684\u306b8\u30d0\u30a4\u30c8\u306b\u306a\u308b\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u3053\u308c\u306f<strong>\u30c7\u30fc\u30bf\u30e2\u30c7\u30eb<\/strong>\u3068\u547c\u3070\u308c\u308b\u3001OS\u30fb\u30b3\u30f3\u30d1\u30a4\u30e9\u3054\u3068\u306e\u300c\u57fa\u672c\u578b\u306e\u30d3\u30c3\u30c8\u6570\u306e\u7d44\u307f\u5408\u308f\u305b\u898f\u7d04\u300d\u306b\u3088\u3063\u3066\u6c7a\u307e\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<table>\n<thead><tr><th>\u74b0\u5883<\/th><th>\u30c7\u30fc\u30bf\u30e2\u30c7\u30eb<\/th><th>sizeof(int)<\/th><th>sizeof(long int)<\/th><th>sizeof(long long int)<\/th><\/tr><\/thead>\n<tbody>\n<tr><td>Windows\uff08MSVC \/ 64bit\uff09<\/td><td>LLP64<\/td><td>4\u30d0\u30a4\u30c8<\/td><td>4\u30d0\u30a4\u30c8<\/td><td>8\u30d0\u30a4\u30c8<\/td><\/tr>\n<tr><td>Linux\uff08GCC\u30fbClang \/ 64bit\uff09<\/td><td>LP64<\/td><td>4\u30d0\u30a4\u30c8<\/td><td>8\u30d0\u30a4\u30c8<\/td><td>8\u30d0\u30a4\u30c8<\/td><\/tr>\n<tr><td>macOS\uff08Clang \/ 64bit\uff09<\/td><td>LP64<\/td><td>4\u30d0\u30a4\u30c8<\/td><td>8\u30d0\u30a4\u30c8<\/td><td>8\u30d0\u30a4\u30c8<\/td><\/tr>\n<tr><td>32\u30d3\u30c3\u30c8\u74b0\u5883\u5168\u822c<\/td><td>ILP32<\/td><td>4\u30d0\u30a4\u30c8<\/td><td>4\u30d0\u30a4\u30c8<\/td><td>8\u30d0\u30a4\u30c8<\/td><\/tr>\n<\/tbody>\n<\/table>\n\n\n\n<div style=\"background:#f8f9fa;border-left:4px solid #6b7280;border-radius:0 8px 8px 0;padding:16px 20px;margin:20px 0;\">\n  <p style=\"margin:0 0 4px;font-size:13px;font-weight:700;color:#6b7280;letter-spacing:1px;\">&#128218; \u7528\u8a9e\u89e3\u8aac<\/p>\n  <p style=\"margin:0;font-size:15px;line-height:1.7;\"><strong>\u30c7\u30fc\u30bf\u30e2\u30c7\u30eb\uff08LP64 \/ LLP64\uff09<\/strong>\uff1aint\u30fblong\u30fb\u30dd\u30a4\u30f3\u30bf\u306a\u3069\u57fa\u672c\u578b\u306e\u30d3\u30c3\u30c8\u6570\u306e\u7d44\u307f\u5408\u308f\u305b\u898f\u7d04\u306e\u3053\u3068\u3002LP64\u306f\u300clong \u3068 Pointer \u304c64bit\u300d\u3001LLP64\u306f\u300clong long \u3068 Pointer \u3060\u3051\u304c64bit\u300d\u3068\u3044\u3046\u610f\u5473\u3067\u3059\u300264\u30d3\u30c3\u30c8Windows\uff08LLP64\uff09\u3067\u306flong int\u304c32bit\u306e\u307e\u307e\u306a\u306e\u306b\u5bfe\u3057\u300164\u30d3\u30c3\u30c8Linux\/macOS\uff08LP64\uff09\u3067\u306flong int\u304c64bit\u306b\u306a\u308b\u3001\u3068\u3044\u3046\u9055\u3044\u304c\u3053\u3053\u304b\u3089\u751f\u307e\u308c\u307e\u3059\u3002<\/p>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u3064\u307e\u308a\u3001\u300cLinux\u3067\u66f8\u3044\u3066\u52d5\u4f5c\u78ba\u8a8d\u3057\u305f\u30b3\u30fc\u30c9\u3092\u305d\u306e\u307e\u307eWindows\u3067\u30b3\u30f3\u30d1\u30a4\u30eb\u3057\u305f\u3089\u3001long int\u578b\u3092\u4f7f\u3063\u305f\u8a08\u7b97\u7d50\u679c\u304c\u304a\u304b\u3057\u304f\u306a\u3063\u305f\u300d\u3068\u3044\u3046\u30c8\u30e9\u30d6\u30eb\u306f\u3001\u3053\u306e\u74b0\u5883\u5dee\u304c\u539f\u56e0\u3067\u3042\u308b\u3053\u3068\u304c\u975e\u5e38\u306b\u591a\u3044\u306e\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3-3. \u3010\u5177\u4f53\u4f8b\u3011\u74b0\u5883\u4f9d\u5b58\u3092\u907f\u3051\u308b\u66f8\u304d\u65b9<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u74b0\u5883\u306b\u3088\u3063\u3066\u30b5\u30a4\u30ba\u304c\u5909\u308f\u3063\u3066\u3057\u307e\u3046\u554f\u984c\u3092\u907f\u3051\u305f\u3044\u5834\u5408\u306f\u3001C99\u4ee5\u964d\u3067\u6a19\u6e96\u5316\u3055\u308c\u305f<code>&lt;stdint.h&gt;<\/code>\u306e\u56fa\u5b9a\u5e45\u6574\u6570\u578b\u3092\u4f7f\u3046\u306e\u304c\u78ba\u5b9f\u3067\u3059\u3002<\/p>\n\n\n\n<pre style=\"background:#1a1a1a;color:#e5e5e5;padding:16px 20px;border-radius:8px;overflow-x:auto;font-size:13px;line-height:1.7;\"><code>#include &lt;stdio.h&gt;\n#include &lt;stdint.h&gt;   \/\/ \u56fa\u5b9a\u5e45\u6574\u6570\u578b\u3092\u4f7f\u3046\u305f\u3081\u306e\u30d8\u30c3\u30c0\n\nint main(void) {\n    int32_t id = 1000000;         \/\/ \u3069\u306e\u74b0\u5883\u3067\u3082\u5fc5\u305a32bit(4\u30d0\u30a4\u30c8)\n    int64_t total_yen = 9200000000000LL; \/\/ \u3069\u306e\u74b0\u5883\u3067\u3082\u5fc5\u305a64bit(8\u30d0\u30a4\u30c8)\n\n    printf(\"id = %d\\n\", id);\n    printf(\"total_yen = %lld\\n\", (long long)total_yen);\n    return 0;\n}<\/code><\/pre>\n\n\n\n<div style=\"background:#fafafa;border-radius:8px;padding:16px 20px;margin:16px 0;border-left:4px solid #dc2626;\">\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span>int32_t\u30fbint64_t\uff08\u7b26\u53f7\u3042\u308a\uff09\u3001uint32_t\u30fbuint64_t\uff08\u7b26\u53f7\u306a\u3057\uff09\u306f\u74b0\u5883\u304c\u5909\u308f\u3063\u3066\u3082\u30b5\u30a4\u30ba\u304c\u56fa\u5b9a<\/span><\/div>\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span>\u300c\u5fc5\u305a64bit\u6b32\u3057\u3044\u300d\u5834\u5408\u306flong int\u3067\u306f\u306a\u304fint64_t\u304blong long int\u3092\u4f7f\u3046<\/span><\/div>\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span>\u300c\u5fc5\u305a32bit\u6b32\u3057\u3044\u300d\u5834\u5408\u3082int32_t\u3092\u4f7f\u3048\u3070\u74b0\u5883\u5dee\u3092\u610f\u8b58\u305b\u305a\u306b\u6e08\u3080<\/span><\/div>\n\n<\/div>\n\n\n\n<div class=\"balloon-wrap is-right\">\n  <div class=\"balloon-icon\">\n    <img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/04\/yamazaki-avatar.png\" alt=\"AI\u9b3c\u7ba1\u7406\u5c71\u5d0e\">\n    <span class=\"balloon-name\">AI\u9b3c\u7ba1\u7406\u5c71\u5d0e<\/span>\n  <\/div>\n  <div class=\"balloon-body\">\u5f0a\u793e\u3067\u3082Windows\u74b0\u5883\u3068Linux\u74b0\u5883\uff08\u30af\u30e9\u30a6\u30c9\u30b5\u30fc\u30d0\u30fc\uff09\u306e\u4e21\u65b9\u3067\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u52d5\u304b\u3059\u3053\u3068\u304c\u591a\u3044\u306e\u3067\u3059\u304c\u3001\u3053\u3046\u3057\u305f\u300c\u74b0\u5883\u306b\u3088\u3063\u3066\u6319\u52d5\u304c\u5909\u308f\u308b\u300d\u554f\u984c\u306f\u975e\u30a8\u30f3\u30b8\u30cb\u30a2\u304c\u81ea\u529b\u3067\u30c7\u30d0\u30c3\u30b0\u3059\u308b\u306e\u304c\u7279\u306b\u96e3\u3057\u3044\u9818\u57df\u3067\u3059\u3002\u5f8c\u307b\u3069\u3001\u3053\u3046\u3057\u305f\u30d0\u30b0\u3092AI\u306b\u30c1\u30a7\u30c3\u30af\u3055\u305b\u305f\u4f8b\u3082\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/div>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u307e\u3068\u3081\u308b\u3068\u3001long int\u578b\u306f\u300cint\u578b\u3088\u308a\u5927\u304d\u3044\u6570\u5024\u3092\u6271\u3048\u308b\u300d\u3068\u3044\u3046\u7406\u89e3\u3060\u3051\u3067\u306f\u4e0d\u5341\u5206\u3067\u3001\u74b0\u5883\u306b\u3088\u3063\u3066\u30b5\u30a4\u30ba\u304c\u5909\u308f\u308a\u3046\u308b\u3053\u3068\u3092\u524d\u63d0\u306b\u30b3\u30fc\u30c9\u3092\u66f8\u304f\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u78ba\u5b9f\u306b64bit\u306e\u7bc4\u56f2\u304c\u5fc5\u8981\u306a\u51e6\u7406\u3067\u306f\u3001long int\u3067\u306f\u306a\u304fint64_t\uff08\u307e\u305f\u306flong long int\uff09\u3092\u4f7f\u3046\u306e\u304c\u5b89\u5168\u306a\u9078\u629e\u3067\u3059\u3002<\/p>\n\n\n<div style=\"margin:48px 0 8px;display:flex;gap:12px;justify-content:center;flex-wrap:wrap;\"><a href=\"https:\/\/aikanri.genai-ai.co.jp\/seminar2-blog\/?utm_source=blog&#038;utm_medium=h2banner&#038;utm_content=c-integer-types&#038;blog_slug=c-integer-types\" target=\"_blank\" rel=\"noopener\" aria-label=\"Claude Code \u5b8c\u5168\u89e3\u8aac\u30bb\u30df\u30ca\u30fc\uff08\u7121\u6599\u30fb1on1\u30fb60\u5206\uff09\u306e\u4e88\u7d04\u753b\u9762\u3078\" style=\"flex:1 1 280px;max-width:360px;text-decoration:none;\"><img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/05\/cta_seminar_claude_code_2026.jpg\" alt=\"Claude Code \u5b8c\u5168\u89e3\u8aac\u30bb\u30df\u30ca\u30fc\uff5c\u7d4c\u55b6\u8005\u30fb\u4f1a\u793e\u5f79\u54e1\u5c02\u7528 1on1 60\u5206 \u7121\u6599\" style=\"width:100%;height:auto;border-radius:8px;display:block;\"><\/a><a href=\"https:\/\/aikanri.genai-ai.co.jp\/?utm_source=blog&#038;utm_medium=h2banner&#038;utm_campaign=c-integer-types&#038;utm_content=h2-banner-kanri\" target=\"_blank\" rel=\"noopener\" aria-label=\"AI\u9b3c\u7ba1\u7406 \u516c\u5f0f\u30b5\u30a4\u30c8\u3078\" style=\"flex:1 1 280px;max-width:360px;text-decoration:none;\"><img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/05\/cta_blog_1to1.jpg\" alt=\"Claude Code\u3092\u7d4c\u55b6\u306b\u6d3b\u304b\u3057\u305f\u3044\u65b9\u3078 \u2014 AI\u9b3c\u7ba1\u7406\" style=\"width:100%;height:auto;border-radius:8px;display:block;\"><\/a><\/div>\n\n\n<div id=\"sec-04\"><\/div>\n<h2 class=\"section-header-img\" style=\"margin:32px 0 24px;border-radius:8px;overflow:hidden;background:linear-gradient(135deg,#1a1a1a 0%,#2a1015 100%);padding:32px 28px;color:#fff;position:relative;border:none;border-left:none;text-align:left;\">\n  <span class=\"section-number\" style=\"display:block;\">04<\/span>\n  <span class=\"section-label\" style=\"display:block;\">SHORT INT TYPE<\/span>\n  <span class=\"section-title\" style=\"display:block;\">short int\u578b\u306e\u4f7f\u3044\u65b9\u3068\u30e1\u30e2\u30ea\u7bc0\u7d04\u306e\u8003\u3048\u65b9<\/span>\n  <span class=\"section-desc\">\u306a\u305c\u3042\u3048\u3066\u5c0f\u3055\u3044\u578b\u3092\u4f7f\u3046\u306e\u304b\u3001\u305d\u306e\u5224\u65ad\u57fa\u6e96<\/span>\n<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">short int\u578b\uff08\u5358\u306b short \u3068\u3082\u66f8\u304f\uff09\u306f\u30013\u3064\u306e\u6574\u6570\u578b\u306e\u4e2d\u3067\u6700\u3082\u30b5\u30a4\u30ba\u304c\u5c0f\u3055\u304f\u3001\u6271\u3048\u308b\u6570\u5024\u306e\u7bc4\u56f2\u3082\u6700\u3082\u72ed\u3044\u578b\u3067\u3059\u3002\u300c\u7bc4\u56f2\u304c\u72ed\u3044\u306a\u3089\u4f7f\u3046\u610f\u5473\u304c\u306a\u3044\u306e\u3067\u306f\u300d\u3068\u601d\u3046\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u304c\u3001\u5b9f\u52d9\u3067\u306f\u660e\u78ba\u306a\u4f7f\u3044\u3069\u3053\u308d\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">4-1. short int\u578b\u306e\u5ba3\u8a00\u3068\u7bc4\u56f2<\/h3>\n\n\n\n<pre style=\"background:#1a1a1a;color:#e5e5e5;padding:16px 20px;border-radius:8px;overflow-x:auto;font-size:13px;line-height:1.7;\"><code>#include &lt;stdio.h&gt;\n#include &lt;limits.h&gt;\n\nint main(void) {\n    short int temperature = -15;          \/\/ \u6c17\u6e29\u306a\u3069\u5c0f\u3055\u3044\u7bc4\u56f2\u3067\u5341\u5206\u306a\u5024\n    unsigned short int port = 8080;       \/\/ \u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u30dd\u30fc\u30c8\u756a\u53f7\u306a\u3069\n\n    printf(\"temperature = %d\\n\", temperature);\n    printf(\"port = %d\\n\", port);\n    printf(\"SHRT_MIN = %d, SHRT_MAX = %d\\n\", SHRT_MIN, SHRT_MAX);\n    printf(\"USHRT_MAX = %d\\n\", USHRT_MAX);\n\n    return 0;\n}<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u6ce8\u76ee\u3057\u3066\u307b\u3057\u3044\u306e\u306f\u3001printf\u306e\u66f8\u5f0f\u6307\u5b9a\u5b50\u304c<code>%hd<\/code>\u3067\u306f\u306a\u304f<strong>%d\u306e\u307e\u307e<\/strong>\u3067\u554f\u984c\u306a\u304f\u52d5\u304f\u70b9\u3067\u3059\u3002\u3053\u308c\u306f\u6b21\u306b\u8aac\u660e\u3059\u308b\u300c\u6574\u6570\u6607\u683c\u300d\u3068\u3044\u3046C\u8a00\u8a9e\u306e\u4ed5\u69d8\u306b\u3088\u308b\u3082\u306e\u3067\u3059\u3002<\/p>\n\n\n\n<div class=\"balloon-wrap\">\n  <div class=\"balloon-icon\">\n    <img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/04\/ceo-sugasawa.jpg\" alt=\"\u4ee3\u8868\u83c5\u6fa4\">\n    <span class=\"balloon-name\">\u4ee3\u8868\u83c5\u6fa4<\/span>\n  <\/div>\n  <div class=\"balloon-body\">short int\u578b\u3092\u521d\u3081\u3066\u898b\u305f\u3068\u304d\u300c%d\u3058\u3083\u306a\u304f\u3066%hd\u3092\u4f7f\u308f\u306a\u304d\u3083\u3044\u3051\u306a\u3044\u306e\u3067\u306f\u300d\u3068\u52d8\u9055\u3044\u3057\u3066\u3044\u307e\u3057\u305f\u3002printf\u306b\u6e21\u3059\u6642\u70b9\u3067int\u306b\u6607\u683c\u3055\u308c\u3066\u3044\u308b\u306e\u3067%d\u306e\u307e\u307e\u3067\u3044\u3044\u3001\u3068\u3044\u3046\u306e\u306f\u610f\u5916\u3068\u77e5\u3089\u308c\u3066\u3044\u306a\u3044\u30dd\u30a4\u30f3\u30c8\u3067\u3059\u3002<\/div>\n<\/div>\n\n\n\n<div style=\"background:#f8f9fa;border-left:4px solid #6b7280;border-radius:0 8px 8px 0;padding:16px 20px;margin:20px 0;\">\n  <p style=\"margin:0 0 4px;font-size:13px;font-weight:700;color:#6b7280;letter-spacing:1px;\">&#128218; \u7528\u8a9e\u89e3\u8aac<\/p>\n  <p style=\"margin:0;font-size:15px;line-height:1.7;\"><strong>\u6574\u6570\u6607\u683c\uff08\u30c7\u30d5\u30a9\u30eb\u30c8\u5f15\u6570\u62e1\u5f35\uff09<\/strong>\uff1aprintf\u306e\u3088\u3046\u306a\u53ef\u5909\u9577\u5f15\u6570\u3092\u53d6\u308b\u95a2\u6570\u306b short int \u3084 char \u578b\u306e\u5024\u3092\u6e21\u3059\u3068\u304d\u3001C\u8a00\u8a9e\u306e\u4ed5\u69d8\u306b\u3088\u3063\u3066\u81ea\u52d5\u7684\u306b int \u578b\u3078\u6607\u683c\uff08\u62e1\u5f35\uff09\u3055\u308c\u3066\u304b\u3089\u6e21\u3055\u308c\u308b\u4ed5\u7d44\u307f\u3002\u3053\u306e\u305f\u3081 printf \u3067 short \u578b\u3092\u51fa\u529b\u3059\u308b\u969b\u306f %hd \u3067\u306f\u306a\u304f %d \u3092\u4f7f\u3046\u306e\u304c\u6b63\u3057\u3044\u66f8\u304d\u65b9\u3067\u3059\u3002\u4e00\u65b9 scanf \u306f\u5909\u6570\u3078\u306e\u300c\u30dd\u30a4\u30f3\u30bf\u300d\u3092\u6e21\u3059\u305f\u3081\u6607\u683c\u304c\u8d77\u304d\u305a\u3001short int\u578b\u306e\u5909\u6570\u306b\u5024\u3092\u8aad\u307f\u8fbc\u3080\u5834\u5408\u306f %hd \u3092\u660e\u793a\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">4-2. short int\u578b\u304c\u5411\u3044\u3066\u3044\u308b\u5834\u9762<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">short int\u578b\u304c\u5b9f\u969b\u306b\u6d3b\u8e8d\u3059\u308b\u306e\u306f\u3001\u6b21\u306e\u3088\u3046\u306a\u300c\u6570\u5024\u306e\u7bc4\u56f2\u304c\u660e\u3089\u304b\u306b\u5c0f\u3055\u304f\u53ce\u307e\u308b\u300d\u304b\u3064\u300c\u5927\u91cf\u306b\u78ba\u4fdd\u3059\u308b\u300d\u5834\u9762\u3067\u3059\u3002<\/p>\n\n\n\n<table>\n<thead><tr><th>\u7528\u9014<\/th><th>\u7406\u7531<\/th><th>\u5177\u4f53\u4f8b<\/th><\/tr><\/thead>\n<tbody>\n<tr><td>\u5927\u91cf\u30c7\u30fc\u30bf\u3092\u6271\u3046\u914d\u5217<\/td><td>int(4\u30d0\u30a4\u30c8)\u304b\u3089short(2\u30d0\u30a4\u30c8)\u306b\u3059\u308b\u3060\u3051\u3067\u30e1\u30e2\u30ea\u4f7f\u7528\u91cf\u304c\u534a\u5206\u306b\u306a\u308b<\/td><td>\u6570\u767e\u4e07\u4ef6\u306e\u30bb\u30f3\u30b5\u30fc\u5024\u3001\u753b\u50cf\u306e\u30d4\u30af\u30bb\u30eb\u5024<\/td><\/tr>\n<tr><td>\u901a\u4fe1\u30d7\u30ed\u30c8\u30b3\u30eb\u306e\u30c7\u30fc\u30bf\u69cb\u9020<\/td><td>\u898f\u683c\u3067\u30d5\u30a3\u30fc\u30eb\u30c9\u306e\u30d0\u30a4\u30c8\u6570\u304c16bit\u3068\u53b3\u5bc6\u306b\u6c7a\u307e\u3063\u3066\u3044\u308b<\/td><td>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30d1\u30b1\u30c3\u30c8\u306e\u30dd\u30fc\u30c8\u756a\u53f7\u306a\u3069<\/td><\/tr>\n<tr><td>\u7d44\u307f\u8fbc\u307f\u6a5f\u5668\u30fb\u30de\u30a4\u30b3\u30f3<\/td><td>RAM\u305d\u306e\u3082\u306e\u304c\u6570KB\u301c\u6570\u5341KB\u3057\u304b\u306a\u3044<\/td><td>\u5bb6\u96fb\u3001IoT\u30bb\u30f3\u30b5\u30fc\u6a5f\u5668\u306e\u30d5\u30a1\u30fc\u30e0\u30a6\u30a7\u30a2<\/td><\/tr>\n<\/tbody>\n<\/table>\n\n\n\n<h3 class=\"wp-block-heading\">4-3. \u3010\u6ce8\u610f\u70b9\u3011short\u578b\u540c\u58eb\u306e\u6f14\u7b97\u3067\u3082\u7d50\u679c\u306fint\u578b\u306b\u306a\u308b<\/h3>\n\n\n\n<div style=\"background:#fef2f2;border:2px solid #dc2626;border-radius:8px;padding:20px 24px;margin:24px 0;\">\n  <div style=\"display:flex;align-items:center;gap:8px;margin-bottom:12px;\">\n    <span style=\"font-size:20px;\">&#9888;&#65039;<\/span>\n    <strong style=\"color:#dc2626;font-size:16px;\">short + short \u3067\u3082\u30aa\u30fc\u30d0\u30fc\u30d5\u30ed\u30fc\u3057\u306b\u304f\u3044\u7406\u7531<\/strong>\n  <\/div>\n  <p style=\"margin:0;font-size:15px;line-height:1.8;color:#333;\">\u6574\u6570\u6607\u683c\u306b\u3088\u308a\u3001short int\u578b\u540c\u58eb\u306e\u8db3\u3057\u7b97\u30fb\u5f15\u304d\u7b97\u3082\u3001\u6f14\u7b97\u6642\u306b\u306f\u4e00\u65e6int\u578b\uff0832bit\uff09\u306b\u6607\u683c\u3057\u3066\u304b\u3089\u8a08\u7b97\u3055\u308c\u307e\u3059\u3002\u305d\u306e\u305f\u3081 short int \u306e\u7bc4\u56f2\uff08-32,768\u301c32,767\uff09\u3092\u308f\u305a\u304b\u306b\u8d85\u3048\u308b\u8a08\u7b97\u3092\u3057\u3066\u3082\u3001\u6f14\u7b97\u7d50\u679c\u81ea\u4f53\u306fint\u578b\u306e\u7bc4\u56f2\u306b\u53ce\u307e\u3063\u3066\u3044\u308c\u3070\u6b63\u3057\u304f\u8a08\u7b97\u3055\u308c\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u305d\u306e\u8a08\u7b97\u7d50\u679c\u3092\u518d\u3073short int\u578b\u306e\u5909\u6570\u306b\u4ee3\u5165\u3059\u308b\u3068\u3001\u305d\u3053\u3067\u521d\u3081\u3066\u7bc4\u56f2\u5916\u306e\u5024\u304c\u5207\u308a\u6368\u3066\u3089\u308c\u3066\u610f\u56f3\u3057\u306a\u3044\u5024\u306b\u306a\u308b\u305f\u3081\u6ce8\u610f\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u307e\u3068\u3081\u308b\u3068\u3001short int\u578b\u306f\u300c\u30e1\u30e2\u30ea\u3092\u7bc0\u7d04\u3057\u305f\u3044\u300d\u300c\u898f\u683c\u3067\u30d0\u30a4\u30c8\u6570\u304c\u6c7a\u307e\u3063\u3066\u3044\u308b\u300d\u3068\u3044\u3046\u660e\u78ba\u306a\u7406\u7531\u304c\u3042\u308b\u3068\u304d\u306b\u9078\u3076\u578b\u3067\u3059\u3002\u7406\u7531\u304c\u306a\u3051\u308c\u3070int\u578b\u3092\u4f7f\u3046\u65b9\u304c\u5b89\u5168\u3067\u3001short\u578b\u3092\u4f7f\u3046\u5834\u5408\u3082\u300c\u6f14\u7b97\u7d50\u679c\u3092\u518d\u4ee3\u5165\u3059\u308b\u30bf\u30a4\u30df\u30f3\u30b0\u3067\u7bc4\u56f2\u3092\u8d85\u3048\u3066\u3044\u306a\u3044\u304b\u300d\u3092\u5fc5\u305a\u610f\u8b58\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n<div style=\"margin:48px 0 8px;display:flex;gap:12px;justify-content:center;flex-wrap:wrap;\"><a href=\"https:\/\/aikanri.genai-ai.co.jp\/seminar2-blog\/?utm_source=blog&#038;utm_medium=h2banner&#038;utm_content=c-integer-types&#038;blog_slug=c-integer-types\" target=\"_blank\" rel=\"noopener\" aria-label=\"Claude Code \u5b8c\u5168\u89e3\u8aac\u30bb\u30df\u30ca\u30fc\uff08\u7121\u6599\u30fb1on1\u30fb60\u5206\uff09\u306e\u4e88\u7d04\u753b\u9762\u3078\" style=\"flex:1 1 280px;max-width:360px;text-decoration:none;\"><img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/05\/cta_seminar_claude_code_2026.jpg\" alt=\"Claude Code \u5b8c\u5168\u89e3\u8aac\u30bb\u30df\u30ca\u30fc\uff5c\u7d4c\u55b6\u8005\u30fb\u4f1a\u793e\u5f79\u54e1\u5c02\u7528 1on1 60\u5206 \u7121\u6599\" style=\"width:100%;height:auto;border-radius:8px;display:block;\"><\/a><a href=\"https:\/\/aikanri.genai-ai.co.jp\/?utm_source=blog&#038;utm_medium=h2banner&#038;utm_campaign=c-integer-types&#038;utm_content=h2-banner-kanri\" target=\"_blank\" rel=\"noopener\" aria-label=\"AI\u9b3c\u7ba1\u7406 \u516c\u5f0f\u30b5\u30a4\u30c8\u3078\" style=\"flex:1 1 280px;max-width:360px;text-decoration:none;\"><img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/05\/cta_blog_1to1.jpg\" alt=\"Claude Code\u3092\u7d4c\u55b6\u306b\u6d3b\u304b\u3057\u305f\u3044\u65b9\u3078 \u2014 AI\u9b3c\u7ba1\u7406\" style=\"width:100%;height:auto;border-radius:8px;display:block;\"><\/a><\/div>\n\n\n<div id=\"sec-05\"><\/div>\n<h2 class=\"section-header-img\" style=\"margin:32px 0 24px;border-radius:8px;overflow:hidden;background:linear-gradient(135deg,#1a1a1a 0%,#2a1015 100%);padding:32px 28px;color:#fff;position:relative;border:none;border-left:none;text-align:left;\">\n  <span class=\"section-number\" style=\"display:block;\">05<\/span>\n  <span class=\"section-label\" style=\"display:block;\">COMMON BUGS<\/span>\n  <span class=\"section-title\" style=\"display:block;\">\u30ad\u30e3\u30b9\u30c8\u30fb\u30aa\u30fc\u30d0\u30fc\u30d5\u30ed\u30fc\u30fb\u66f8\u5f0f\u6307\u5b9a\u5b50\u30df\u30b9\u3067\u8d77\u304d\u308b\u5178\u578b\u30d0\u30b0<\/span>\n  <span class=\"section-desc\">\u6574\u6570\u578b\u3067\u3064\u307e\u305a\u304f\u30dd\u30a4\u30f3\u30c8\u3092\u30d1\u30bf\u30fc\u30f3\u3054\u3068\u306b\u6574\u7406\u3059\u308b<\/span>\n<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u3053\u307e\u3067int\u30fblong int\u30fbshort int\u305d\u308c\u305e\u308c\u306e\u4f7f\u3044\u65b9\u3092\u898b\u3066\u304d\u307e\u3057\u305f\u304c\u3001C\u8a00\u8a9e\u306e\u6574\u6570\u578b\u306f\u300c\u52d5\u3044\u3066\u3044\u308b\u3088\u3046\u306b\u898b\u3048\u3066\u3001\u5b9f\u306f\u9593\u9055\u3063\u3066\u3044\u308b\u300d\u30d0\u30b0\u3092\u751f\u307f\u3084\u3059\u3044\u9818\u57df\u3067\u3082\u3042\u308a\u307e\u3059\u3002\u3053\u3053\u3067\u306f\u5b9f\u969b\u306b\u3088\u304f\u3042\u308b\u5178\u578b\u30d1\u30bf\u30fc\u30f3\u30924\u3064\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">5-1. \u7b26\u53f7\u306a\u3057(unsigned)\u306efor\u6587\u304c\u7121\u9650\u30eb\u30fc\u30d7\u306b\u306a\u308b\u30d0\u30b0<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u6700\u3082\u6709\u540d\u306a\u4e8b\u6545\u306e\u3072\u3068\u3064\u304c\u3001\u7b26\u53f7\u306a\u3057\u6574\u6570\u3092\u30eb\u30fc\u30d7\u306e\u30ab\u30a6\u30f3\u30bf\u306b\u4f7f\u3063\u305f\u3068\u304d\u306b\u8d77\u304d\u308b\u7121\u9650\u30eb\u30fc\u30d7\u3067\u3059\u3002<\/p>\n\n\n\n<pre style=\"background:#1a1a1a;color:#e5e5e5;padding:16px 20px;border-radius:8px;overflow-x:auto;font-size:13px;line-height:1.7;\"><code>\/\/ \u30d0\u30b0\u306e\u4f8b\uff1a\u3053\u306e for \u6587\u306f\u7121\u9650\u30eb\u30fc\u30d7\u306b\u306a\u308b\nunsigned int i;\nfor (i = 10; i &gt;= 0; i--) {\n    printf(\"%u\\n\", i);\n}\n\/\/ i \u304c 0 \u306e\u6b21\u306b i-- \u3059\u308b\u3068\u3001unsigned int \u306e\u6027\u8cea\u4e0a\n\/\/ -1 \u3067\u306f\u306a\u304f UINT_MAX\uff08\u7d0442\u5104\uff09\u306b\u300c\u6298\u308a\u8fd4\u308b\u300d\u305f\u3081\n\/\/ i &gt;= 0 \u304c\u6c38\u9060\u306btrue\u306e\u307e\u307e\u306b\u306a\u308b<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">unsigned int \u306f\u8ca0\u306e\u6570\u3092\u8868\u73fe\u3067\u304d\u306a\u3044\u305f\u3081\u30010\u304b\u30891\u3092\u5f15\u304f\u3068\u6700\u5927\u5024\uff08\u7d0442\u5104\uff09\u307e\u3067\u4e00\u6c17\u306b\u6298\u308a\u8fd4\u308a\u307e\u3059\uff08\u3053\u308c\u306funsigned\u306e\u4ed5\u69d8\u3068\u3057\u3066\u898f\u683c\u4e0a\u3082\u4fdd\u8a3c\u3055\u308c\u305f\u6b63\u3057\u3044\u52d5\u4f5c\u3067\u3059\uff09\u3002\u305d\u306e\u7d50\u679c\u3001<code>i &gt;= 0<\/code>\u3068\u3044\u3046\u6761\u4ef6\u306f\u5e38\u306btrue\u306b\u306a\u308a\u3001\u30eb\u30fc\u30d7\u304c\u7d42\u308f\u308a\u307e\u305b\u3093\u3002\u30ab\u30a6\u30f3\u30c8\u30c0\u30a6\u30f3\u3059\u308b\u30eb\u30fc\u30d7\u3067\u306f\u3001\u7b26\u53f7\u3042\u308a\uff08int\uff09\u306e\u5909\u6570\u3092\u4f7f\u3046\u306e\u304c\u9244\u5247\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">5-2. \u7b26\u53f7\u3042\u308a\u30fb\u7b26\u53f7\u306a\u3057\u3092\u6bd4\u8f03\u6f14\u7b97\u5b50\u3067\u6df7\u5728\u3055\u305b\u308b\u30d0\u30b0<\/h3>\n\n\n\n<pre style=\"background:#1a1a1a;color:#e5e5e5;padding:16px 20px;border-radius:8px;overflow-x:auto;font-size:13px;line-height:1.7;\"><code>int a = -1;\nunsigned int b = 1;\n\nif (a &lt; b) {\n    printf(\"a\u306e\u65b9\u304c\u5c0f\u3055\u3044\\n\");\n} else {\n    printf(\"a\u306e\u65b9\u304c\u5c0f\u3055\u304f\u306a\u3044\\n\");   \/\/ \u2190 \u5b9f\u969b\u306b\u306f\u3053\u3061\u3089\u304c\u5b9f\u884c\u3055\u308c\u308b\n}<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u76f4\u611f\u7684\u306b\u306f\u300c-1 < 1\u300d\u306a\u306e\u3067\u524d\u8005\u304c\u5b9f\u884c\u3055\u308c\u305d\u3046\u3067\u3059\u304c\u3001\u5b9f\u969b\u306b\u306f\u5f8c\u8005\u304c\u5b9f\u884c\u3055\u308c\u307e\u3059\u3002C\u8a00\u8a9e\u306e\u6697\u9ed9\u306e\u578b\u5909\u63db\u30eb\u30fc\u30eb\u306b\u3088\u308a\u3001signed\u3068unsigned\u3092\u6bd4\u8f03\u3059\u308b\u969b\u306f<strong>signed\u5074\u304cunsigned\u5074\u306b\u5909\u63db\u3055\u308c\u3066\u304b\u3089\u6bd4\u8f03<\/strong>\u3055\u308c\u308b\u305f\u3081\u3001-1\u306f\u300c\u7b26\u53f7\u306a\u3057\u306e\u5de8\u5927\u306a\u6b63\u306e\u6570\u300d\u3068\u3057\u3066\u6271\u308f\u308c\u30011\u3088\u308a\u5927\u304d\u3044\u3068\u5224\u5b9a\u3055\u308c\u3066\u3057\u307e\u3046\u306e\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">5-3. printf\u306e\u66f8\u5f0f\u6307\u5b9a\u5b50\u30df\u30b9\u306b\u3088\u308b\u672a\u5b9a\u7fa9\u52d5\u4f5c<\/h3>\n\n\n\n<div style=\"background:#fef2f2;border:2px solid #dc2626;border-radius:8px;padding:20px 24px;margin:24px 0;\">\n  <div style=\"display:flex;align-items:center;gap:8px;margin-bottom:12px;\">\n    <span style=\"font-size:20px;\">&#9888;&#65039;<\/span>\n    <strong style=\"color:#dc2626;font-size:16px;\">\u578b\u3068\u66f8\u5f0f\u6307\u5b9a\u5b50\u306e\u4e0d\u4e00\u81f4\u306f\u300c\u305f\u307e\u305f\u307e\u52d5\u304f\u300d\u3060\u3051<\/strong>\n  <\/div>\n  <p style=\"margin:0;font-size:15px;line-height:1.8;color:#333;\">64bit\u74b0\u5883\u306elong int\u578b\u306e\u5024\u3092%d\u3067\u51fa\u529b\u3057\u3088\u3046\u3068\u3059\u308b\u3068\u3001printf\u306f4\u30d0\u30a4\u30c8\u5206\u3057\u304b\u8aad\u307f\u53d6\u3089\u306a\u3044\u305f\u3081\u3001\u5024\u304c\u6b63\u3057\u304f\u8868\u793a\u3055\u308c\u307e\u305b\u3093\uff08\u898f\u683c\u4e0a\u306f\u672a\u5b9a\u7fa9\u52d5\u4f5c\uff09\u3002\u300c\u5b9f\u884c\u3057\u305f\u3089\u306a\u305c\u304b\u8868\u793a\u3055\u308c\u305f\u6570\u5024\u304c\u304a\u304b\u3057\u3044\u300d\u3068\u3044\u3046\u30d0\u30b0\u306e\u591a\u304f\u306f\u3001\u3053\u306e\u578b\u3068\u66f8\u5f0f\u6307\u5b9a\u5b50\u306e\u4e0d\u4e00\u81f4\u304c\u539f\u56e0\u3067\u3059\u3002long int\u578b\u306b\u306f\u5fc5\u305a%ld\u3001unsigned long int\u578b\u306b\u306f\u5fc5\u305a%lu\u3092\u4f7f\u3044\u307e\u3057\u3087\u3046\u3002<\/p>\n<\/div>\n\n\n\n<div style=\"background:#f8f9fa;border-left:4px solid #6b7280;border-radius:0 8px 8px 0;padding:16px 20px;margin:20px 0;\">\n  <p style=\"margin:0 0 4px;font-size:13px;font-weight:700;color:#6b7280;letter-spacing:1px;\">&#128218; \u7528\u8a9e\u89e3\u8aac<\/p>\n  <p style=\"margin:0;font-size:15px;line-height:1.7;\"><strong>\u672a\u5b9a\u7fa9\u52d5\u4f5c\uff08Undefined Behavior\uff09<\/strong>\uff1aC\u8a00\u8a9e\u306e\u898f\u683c\u304c\u300c\u7d50\u679c\u3092\u4fdd\u8a3c\u3057\u306a\u3044\u300d\u3068\u5b9a\u3081\u3066\u3044\u308b\u6319\u52d5\u306e\u3053\u3068\u3002\u30a8\u30e9\u30fc\u306b\u3082\u306a\u3089\u305a\u3001\u74b0\u5883\u3084\u30b3\u30f3\u30d1\u30a4\u30e9\u306e\u6700\u9069\u5316\u6b21\u7b2c\u3067\u7d50\u679c\u304c\u5909\u308f\u3063\u3066\u3057\u307e\u3046\u305f\u3081\u3001\u30d0\u30b0\u306e\u4e2d\u3067\u3082\u7279\u306b\u767a\u898b\u304c\u96e3\u3057\u3044\u30ab\u30c6\u30b4\u30ea\u3067\u3059\u3002signed\u6574\u6570\u306e\u30aa\u30fc\u30d0\u30fc\u30d5\u30ed\u30fc\u3084\u578b\u3068\u66f8\u5f0f\u6307\u5b9a\u5b50\u306e\u4e0d\u4e00\u81f4\u306f\u3001\u3053\u306e\u672a\u5b9a\u7fa9\u52d5\u4f5c\u306e\u4ee3\u8868\u4f8b\u3067\u3059\u3002<\/p>\n<\/div>\n\n\n\n<div class=\"balloon-wrap\">\n  <div class=\"balloon-icon\">\n    <img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/04\/ceo-sugasawa.jpg\" alt=\"\u4ee3\u8868\u83c5\u6fa4\">\n    <span class=\"balloon-name\">\u4ee3\u8868\u83c5\u6fa4<\/span>\n  <\/div>\n  <div class=\"balloon-body\">\u672a\u5b9a\u7fa9\u52d5\u4f5c\u306e\u6016\u3044\u3068\u3053\u308d\u306f\u300c\u4eca\u306e\u30b3\u30f3\u30d1\u30a4\u30e9\u3067\u306f\u5076\u7136\u52d5\u3044\u3066\u3044\u308b\u300d\u3060\u3051\u3068\u3044\u3046\u30b1\u30fc\u30b9\u304c\u3042\u308b\u70b9\u3067\u3059\u3002\u30d0\u30fc\u30b8\u30e7\u30f3\u304c\u5909\u308f\u3063\u305f\u9014\u7aef\u306b\u6319\u52d5\u304c\u5909\u308f\u308b\u3053\u3068\u3082\u3042\u308b\u306e\u3067\u3001\u898f\u683c\u4e0a\u4fdd\u8a3c\u3055\u308c\u3066\u3044\u308b\u66f8\u304d\u65b9\u306b\u5bc4\u305b\u3066\u304a\u304f\u306e\u304c\u7d50\u5c40\u4e00\u756a\u5b89\u5168\u3067\u3059\u3002<\/div>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">5-4. \u6574\u6570\u306e\u5272\u308a\u7b97\u3067\u5c0f\u6570\u70b9\u4ee5\u4e0b\u304c\u6d88\u3048\u308b\u30d0\u30b0<\/h3>\n\n\n\n<pre style=\"background:#1a1a1a;color:#e5e5e5;padding:16px 20px;border-radius:8px;overflow-x:auto;font-size:13px;line-height:1.7;\"><code>int total = 7;\nint people = 2;\n\nprintf(\"%d\\n\", total \/ people);              \/\/ 3\uff08\u5207\u308a\u6368\u3066\u3089\u308c\u308b\uff09\nprintf(\"%f\\n\", (double)total \/ people);       \/\/ 3.500000\uff08\u6b63\u3057\u3044\uff09<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">int\u578b\u540c\u58eb\u306e\u5272\u308a\u7b97\u306f\u5c0f\u6570\u70b9\u4ee5\u4e0b\u3092\u5207\u308a\u6368\u3066\u3066\u6574\u6570\u3068\u3057\u3066\u8a08\u7b97\u3055\u308c\u307e\u3059\u3002\u6b63\u78ba\u306a\u5c0f\u6570\u306e\u7d50\u679c\u304c\u6b32\u3057\u3044\u5834\u5408\u306f\u3001\u5272\u308a\u7b97\u306e\u524d\u306b\u7247\u65b9\uff08\u307e\u305f\u306f\u4e21\u65b9\uff09\u3092double\u578b\u3078\u30ad\u30e3\u30b9\u30c8\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<code>(double)total \/ people<\/code>\u306e\u3088\u3046\u306b\u3001\u30ad\u30e3\u30b9\u30c8\u306f\u5272\u308a\u7b97\u306e\u5b9f\u884c\u524d\u306b\u884c\u3046\u306e\u304c\u30dd\u30a4\u30f3\u30c8\u3067\u3059\u3002<\/p>\n\n\n\n<table>\n<thead><tr><th>\u30d0\u30b0\u30d1\u30bf\u30fc\u30f3<\/th><th>\u539f\u56e0<\/th><th>\u5bfe\u7b56<\/th><\/tr><\/thead>\n<tbody>\n<tr><td>unsigned\u30ab\u30a6\u30f3\u30bf\u306e\u7121\u9650\u30eb\u30fc\u30d7<\/td><td>0\u304b\u3089\u306e\u6e1b\u7b97\u3067\u6700\u5927\u5024\u306b\u6298\u308a\u8fd4\u308b<\/td><td>\u30ab\u30a6\u30f3\u30c8\u30c0\u30a6\u30f3\u306b\u306fint\u3092\u4f7f\u3046<\/td><\/tr>\n<tr><td>signed\/unsigned\u6bd4\u8f03\u306e\u8aa4\u5224\u5b9a<\/td><td>\u6697\u9ed9\u306e\u578b\u5909\u63db\u3067signed\u304cunsigned\u306b\u5909\u63db\u3055\u308c\u308b<\/td><td>\u6bd4\u8f03\u524d\u306b\u578b\u3092\u63c3\u3048\u308b\u3001\u8b66\u544a\u3092\u7121\u8996\u3057\u306a\u3044<\/td><\/tr>\n<tr><td>\u66f8\u5f0f\u6307\u5b9a\u5b50\u30df\u30b9\u306e\u672a\u5b9a\u7fa9\u52d5\u4f5c<\/td><td>\u578b\u306e\u30d0\u30a4\u30c8\u6570\u3068\u66f8\u5f0f\u6307\u5b9a\u5b50\u306e\u4e0d\u4e00\u81f4<\/td><td>\u578b\u306b\u5bfe\u5fdc\u3059\u308b\u66f8\u5f0f\u6307\u5b9a\u5b50\u3092\u5fc5\u305a\u78ba\u8a8d\u3059\u308b<\/td><\/tr>\n<tr><td>\u6574\u6570\u9664\u7b97\u3067\u306e\u5207\u308a\u6368\u3066<\/td><td>int\u540c\u58eb\u306e\u6f14\u7b97\u306f\u6574\u6570\u7d50\u679c\u306b\u306a\u308b<\/td><td>\u5272\u308a\u7b97\u524d\u306bdouble\u7b49\u3078\u30ad\u30e3\u30b9\u30c8\u3059\u308b<\/td><\/tr>\n<\/tbody>\n<\/table>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u308c\u3089\u306e\u30d0\u30b0\u306b\u5171\u901a\u3059\u308b\u306e\u306f\u3001<strong>\u30b3\u30f3\u30d1\u30a4\u30eb\u81ea\u4f53\u306f\u901a\u3063\u3066\u3057\u307e\u3044\u3001\u3057\u304b\u3082\u300c\u7279\u5b9a\u306e\u5165\u529b\u5024\u306e\u3068\u304d\u3060\u3051\u300d\u304a\u304b\u3057\u306a\u6319\u52d5\u306b\u306a\u308b<\/strong>\u305f\u3081\u3001\u30c6\u30b9\u30c8\u3067\u898b\u9003\u3055\u308c\u3084\u3059\u3044\u70b9\u3067\u3059\u3002\u6b21\u306e\u7ae0\u3067\u306f\u3001\u3053\u3046\u3057\u305f\u30d0\u30b0\u3092AI\uff08Claude Code\uff09\u306b\u30ec\u30d3\u30e5\u30fc\u3055\u305b\u308b\u3068\u3069\u3053\u307e\u3067\u691c\u51fa\u3067\u304d\u308b\u306e\u304b\u3092\u3001\u5b9f\u969b\u306e\u30b3\u30fc\u30c9\u3067\u78ba\u8a8d\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n\n\n<div style=\"margin:48px 0 8px;display:flex;gap:12px;justify-content:center;flex-wrap:wrap;\"><a href=\"https:\/\/aikanri.genai-ai.co.jp\/seminar2-blog\/?utm_source=blog&#038;utm_medium=h2banner&#038;utm_content=c-integer-types&#038;blog_slug=c-integer-types\" target=\"_blank\" rel=\"noopener\" aria-label=\"Claude Code \u5b8c\u5168\u89e3\u8aac\u30bb\u30df\u30ca\u30fc\uff08\u7121\u6599\u30fb1on1\u30fb60\u5206\uff09\u306e\u4e88\u7d04\u753b\u9762\u3078\" style=\"flex:1 1 280px;max-width:360px;text-decoration:none;\"><img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/05\/cta_seminar_claude_code_2026.jpg\" alt=\"Claude Code \u5b8c\u5168\u89e3\u8aac\u30bb\u30df\u30ca\u30fc\uff5c\u7d4c\u55b6\u8005\u30fb\u4f1a\u793e\u5f79\u54e1\u5c02\u7528 1on1 60\u5206 \u7121\u6599\" style=\"width:100%;height:auto;border-radius:8px;display:block;\"><\/a><a href=\"https:\/\/aikanri.genai-ai.co.jp\/?utm_source=blog&#038;utm_medium=h2banner&#038;utm_campaign=c-integer-types&#038;utm_content=h2-banner-kanri\" target=\"_blank\" rel=\"noopener\" aria-label=\"AI\u9b3c\u7ba1\u7406 \u516c\u5f0f\u30b5\u30a4\u30c8\u3078\" style=\"flex:1 1 280px;max-width:360px;text-decoration:none;\"><img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/05\/cta_blog_1to1.jpg\" alt=\"Claude Code\u3092\u7d4c\u55b6\u306b\u6d3b\u304b\u3057\u305f\u3044\u65b9\u3078 \u2014 AI\u9b3c\u7ba1\u7406\" style=\"width:100%;height:auto;border-radius:8px;display:block;\"><\/a><\/div>\n\n\n<div id=\"sec-06\"><\/div>\n<h2 class=\"section-header-img\" style=\"margin:32px 0 24px;border-radius:8px;overflow:hidden;background:linear-gradient(135deg,#1a1a1a 0%,#2a1015 100%);padding:32px 28px;color:#fff;position:relative;border:none;border-left:none;text-align:left;\">\n  <span class=\"section-number\" style=\"display:block;\">06<\/span>\n  <span class=\"section-label\" style=\"display:block;\">AI CODE REVIEW<\/span>\n  <span class=\"section-title\" style=\"display:block;\">\u3010\u72ec\u81ea\u3011Claude Code\u306bint\u30d0\u30b0\u3092\u691c\u51fa\u30fb\u4fee\u6b63\u3055\u305b\u3066\u307f\u305f<\/span>\n  <span class=\"section-desc\">\u7b2c5\u7ae0\u306e\u5178\u578b\u30d0\u30b0\u3092AI\u30a8\u30fc\u30b8\u30a7\u30f3\u30c8\u306b\u8aad\u307e\u305b\u308b\u3068\u3069\u3046\u306a\u308b\u304b<\/span>\n<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u3053\u304b\u3089\u306f\u3001\u3053\u306e\u8a18\u4e8b\u3060\u3051\u306e\u72ec\u81ea\u30b3\u30f3\u30c6\u30f3\u30c4\u3067\u3059\u3002\u7b2c5\u7ae0\u3067\u7d39\u4ecb\u3057\u305f\u300c\u7b26\u53f7\u306a\u3057for\u6587\u306e\u7121\u9650\u30eb\u30fc\u30d7\u300d\u3068\u300c\u7b26\u53f7\u3042\u308a\u30fb\u7b26\u53f7\u306a\u3057\u6bd4\u8f03\u306e\u8aa4\u5224\u5b9a\u300d\u306e2\u3064\u306e\u30d0\u30b0\u3092\u542b\u3093\u3060C\u30b3\u30fc\u30c9\u3092\u3001AI\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u30a8\u30fc\u30b8\u30a7\u30f3\u30c8\u306e<strong>Claude Code<\/strong>\u306b\u305d\u306e\u307e\u307e\u30ec\u30d3\u30e5\u30fc\u3055\u305b\u308b\u3068\u3069\u3046\u53cd\u5fdc\u3059\u308b\u304b\u3092\u78ba\u8a8d\u3057\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<div style=\"background:#f8f9fa;border-left:4px solid #6b7280;border-radius:0 8px 8px 0;padding:16px 20px;margin:20px 0;\">\n  <p style=\"margin:0 0 4px;font-size:13px;font-weight:700;color:#6b7280;letter-spacing:1px;\">&#128218; \u7528\u8a9e\u89e3\u8aac<\/p>\n  <p style=\"margin:0;font-size:15px;line-height:1.7;\"><strong>AI\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u30a8\u30fc\u30b8\u30a7\u30f3\u30c8<\/strong>\uff1a\u30c1\u30e3\u30c3\u30c8\u3067\u5fdc\u7b54\u3059\u308b\u3060\u3051\u3067\u306a\u304f\u3001\u30d5\u30a1\u30a4\u30eb\u306e\u8aad\u307f\u66f8\u304d\u3084\u30b3\u30fc\u30c9\u306e\u5b9f\u884c\u307e\u3067\u3092\u81ea\u5f8b\u7684\u306b\u3053\u306a\u3059AI\u30c4\u30fc\u30eb\u306e\u7dcf\u79f0\u3002Claude Code\u306f\u305d\u306e\u4ee3\u8868\u683c\u3067\u3001\u30b3\u30fc\u30c9\u3092\u6e21\u3057\u3066\u300c\u30d0\u30b0\u3092\u76f4\u3057\u3066\u300d\u3068\u4f1d\u3048\u308b\u3060\u3051\u3067\u3001\u8a72\u5f53\u7b87\u6240\u306e\u7279\u5b9a\u304b\u3089\u4fee\u6b63\u30b3\u30fc\u30c9\u306e\u63d0\u793a\u307e\u3067\u3092\u4e00\u62ec\u3067\u884c\u3044\u307e\u3059\u3002<\/p>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">6-1. Claude Code\u306b\u6e21\u3057\u305f\u30b3\u30fc\u30c9\u3068\u6307\u793a<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u6e21\u3057\u305f\u306e\u306f\u7b2c5\u7ae0\u306e2\u3064\u306e\u30d0\u30b0\u3092\u305d\u306e\u307e\u307e\u542b\u3080\u300120\u884c\u7a0b\u5ea6\u306e\u77ed\u3044C\u30b3\u30fc\u30c9\u3067\u3059\u3002\u6307\u793a\u6587\u306f\u30b7\u30f3\u30d7\u30eb\u306b\u300c\u3053\u306e\u30b3\u30fc\u30c9\u306b\u30d0\u30b0\u304c\u3042\u308c\u3070\u6307\u6458\u3057\u3066\u4fee\u6b63\u3057\u3066\u300d\u3068\u3060\u3051\u4f1d\u3048\u307e\u3057\u305f\u3002\u5c02\u9580\u7684\u306a\u30d7\u30ed\u30f3\u30d7\u30c8\u306e\u5de5\u592b\u306f\u4e00\u5207\u3057\u3066\u3044\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<div class=\"g-flow-row\" style=\"margin:24px 0;\">\n  <div class=\"g-flow-item\"><strong>Step 1<\/strong><br><span style=\"font-size:12px;\">\u30d0\u30b0\u3092\u542b\u3080<br>C\u30b3\u30fc\u30c9\u3092\u6e21\u3059<\/span><\/div>\n  <div class=\"g-flow-arrow\">&#8594;<\/div>\n  <div class=\"g-flow-item\"><strong>Step 2<\/strong><br><span style=\"font-size:12px;\">Claude Code\u304c<br>\u30b3\u30fc\u30c9\u3092\u89e3\u6790<\/span><\/div>\n  <div class=\"g-flow-arrow\">&#8594;<\/div>\n  <div class=\"g-flow-item\"><strong>Step 3<\/strong><br><span style=\"font-size:12px;\">\u8a72\u5f53\u7b87\u6240\u3092<br>\u6307\u6458\u30fb\u8aac\u660e<\/span><\/div>\n  <div class=\"g-flow-arrow\">&#8594;<\/div>\n  <div class=\"g-flow-item\"><strong>Step 4<\/strong><br><span style=\"font-size:12px;\">\u4fee\u6b63\u7248\u30b3\u30fc\u30c9\u3092<br>\u63d0\u6848\u30fb\u9069\u7528<\/span><\/div>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">6-2. Claude Code\u304c\u5b9f\u969b\u306b\u6307\u6458\u3057\u305f\u30dd\u30a4\u30f3\u30c8<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u7d50\u679c\u3068\u3057\u3066\u3001Claude Code\u306f<code>for (unsigned int i = 10; i >= 0; i--)<\/code>\u306e\u884c\u306b\u5bfe\u3057\u3066\u300cunsigned int \u306f0\u672a\u6e80\u306b\u306a\u3089\u306a\u3044\u305f\u3081\u3001\u3053\u306e\u6761\u4ef6\u306f\u5e38\u306btrue\u3068\u306a\u308a\u7121\u9650\u30eb\u30fc\u30d7\u306b\u306a\u308a\u307e\u3059\u300d\u3068\u3044\u3046\u3001\u672c\u8a18\u4e8b\u306e\u89e3\u8aac\u3068\u307b\u307c\u540c\u3058\u5185\u5bb9\u3092\u6307\u6458\u3057\u307e\u3057\u305f\u3002\u3042\u308f\u305b\u3066\u3001\u7b26\u53f7\u3042\u308a\u6574\u6570\uff08int\uff09\u3078\u5909\u66f4\u3059\u308b\u4fee\u6b63\u6848\u3068\u3001\u305d\u306e\u7406\u7531\u306e\u8aac\u660e\u3082\u30bb\u30c3\u30c8\u3067\u63d0\u793a\u3055\u308c\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<div style=\"background:#fafafa;border-radius:8px;padding:16px 20px;margin:16px 0;border-left:4px solid #dc2626;\">\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span>unsigned int\u306e\u30ab\u30a6\u30f3\u30c8\u30c0\u30a6\u30f3\u306b\u3088\u308b\u7121\u9650\u30eb\u30fc\u30d7\u3092\u691c\u51fa<\/span><\/div>\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span>signed\/unsigned\u6bd4\u8f03\u3067\u306e\u6697\u9ed9\u5909\u63db\u306e\u5371\u967a\u6027\u3092\u6307\u6458<\/span><\/div>\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span>\u300c\u306a\u305c\u5371\u967a\u304b\u300d\u3068\u3044\u3046\u7406\u7531\u307e\u3067\u81ea\u7136\u306a\u65e5\u672c\u8a9e\u3067\u8aac\u660e<\/span><\/div>\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span>\u4fee\u6b63\u5f8c\u306e\u30b3\u30fc\u30c9\u3092\u305d\u306e\u5834\u3067\u66f8\u304d\u63db\u3048\u3066\u63d0\u793a<\/span><\/div>\n\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u7279\u7b46\u3059\u3079\u304d\u306f\u3001\u5358\u306b\u300c\u3053\u3053\u304c\u602a\u3057\u3044\u300d\u3068\u6307\u6458\u3059\u308b\u3060\u3051\u3067\u306a\u304f\u3001<strong>\u300c\u306a\u305c\u305d\u306e\u6319\u52d5\u306b\u306a\u308b\u306e\u304b\u300d\u3068\u3044\u3046\u898f\u683c\u30ec\u30d9\u30eb\u306e\u7406\u7531\u307e\u3067\u65e5\u672c\u8a9e\u3067\u8aac\u660e\u3057\u3066\u304f\u308c\u308b<\/strong>\u70b9\u3067\u3059\u3002\u3053\u308c\u306f\u3001C\u8a00\u8a9e\u3092\u5b66\u3073\u59cb\u3081\u305f\u3070\u304b\u308a\u3067\u300c\u30b3\u30f3\u30d1\u30a4\u30eb\u306f\u901a\u3063\u305f\u306e\u306b\u7d50\u679c\u304c\u304a\u304b\u3057\u3044\u300d\u3068\u3044\u3046\u72b6\u6cc1\u306b\u76f4\u9762\u3057\u305f\u3068\u304d\u3001\u975e\u5e38\u306b\u5fc3\u5f37\u3044\u30b5\u30dd\u30fc\u30c8\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"balloon-wrap is-right\">\n  <div class=\"balloon-icon\">\n    <img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/04\/yamazaki-avatar.png\" alt=\"AI\u9b3c\u7ba1\u7406\u5c71\u5d0e\">\n    <span class=\"balloon-name\">AI\u9b3c\u7ba1\u7406\u5c71\u5d0e<\/span>\n  <\/div>\n  <div class=\"balloon-body\">\u4eba\u9593\u304c\u540c\u30582\u3064\u306e\u30d0\u30b0\u3092\u898b\u3064\u3051\u3088\u3046\u3068\u3059\u308b\u3068\u3001\u6761\u4ef6\u5f0f\u30921\u884c\u305a\u3064\u76ee\u3067\u8ffd\u3044\u306a\u304c\u3089\u300c\u3042\u308c\u3001\u3053\u308c0\u672a\u6e80\u306b\u306a\u3089\u306a\u304f\u306a\u3044\uff1f\u300d\u3068\u6c17\u3065\u304f\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002Claude Code\u306f\u3053\u306e\u624b\u306e\u30d1\u30bf\u30fc\u30f3\u8a8d\u8b58\u304c\u975e\u5e38\u306b\u901f\u304f\u3001\u6570\u5341\u79d2\u3067\u4e21\u65b9\u6307\u6458\u3057\u3066\u304d\u305f\u306e\u304c\u6b63\u76f4\u9a5a\u304d\u3067\u3057\u305f\u3002<\/div>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">6-3. \u3010\u6ce8\u610f\u70b9\u3011AI\u30ec\u30d3\u30e5\u30fc\u306f\u300c\u6700\u7d42\u30c1\u30a7\u30c3\u30af\u300d\u3092\u4ee3\u66ff\u3057\u306a\u3044<\/h3>\n\n\n\n<div style=\"background:#f0fdf4;border:1px solid #22c55e;border-radius:8px;padding:20px 24px;margin:24px 0;\">\n  <div style=\"display:flex;align-items:center;gap:8px;margin-bottom:12px;\">\n    <span style=\"font-size:18px;\">&#128161;<\/span>\n    <strong style=\"color:#16a34a;font-size:15px;\">AI\u30ec\u30d3\u30e5\u30fc\u3068\u306e\u6b63\u3057\u3044\u4ed8\u304d\u5408\u3044\u65b9<\/strong>\n  <\/div>\n  <p style=\"margin:0;font-size:15px;line-height:1.8;color:#333;\">Claude Code\u306e\u3088\u3046\u306aAI\u30a8\u30fc\u30b8\u30a7\u30f3\u30c8\u306f\u30b3\u30fc\u30c9\u30ec\u30d3\u30e5\u30fc\u306e\u521d\u52d5\u3092\u5927\u5e45\u306b\u901f\u3081\u3066\u304f\u308c\u307e\u3059\u304c\u3001\u696d\u52d9\u3067\u4f7f\u3046\u30b3\u30fc\u30c9\u306b\u3064\u3044\u3066\u306f\u6700\u7d42\u7684\u306b\u4eba\u9593\uff08\u81ea\u5206\u3001\u307e\u305f\u306f\u30c1\u30fc\u30e0\u306e\u30ec\u30d3\u30e5\u30a2\u30fc\uff09\u304c\u610f\u56f3\u3068\u7167\u3089\u3057\u5408\u308f\u305b\u3066\u78ba\u8a8d\u3059\u308b\u30d7\u30ed\u30bb\u30b9\u3092\u7701\u7565\u3057\u306a\u3044\u3053\u3068\u3092\u304a\u3059\u3059\u3081\u3057\u307e\u3059\u3002AI\u306f\u300c\u6c17\u3065\u304d\u300d\u3092\u9ad8\u901f\u306b\u4e0e\u3048\u3066\u304f\u308c\u308b\u5b58\u5728\u3067\u3042\u308a\u3001\u6700\u7d42\u5224\u65ad\u3092\u4e38\u6295\u3052\u3059\u308b\u76f8\u624b\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u307e\u3068\u3081\u308b\u3068\u3001int\u30fblong int\u30fbshort int\u306e\u3088\u3046\u306a\u300c\u30b3\u30f3\u30d1\u30a4\u30eb\u306f\u901a\u308b\u304c\u610f\u56f3\u901a\u308a\u306b\u52d5\u304b\u306a\u3044\u300d\u30bf\u30a4\u30d7\u306e\u30d0\u30b0\u306f\u3001\u4eba\u9593\u304c\u76ee\u8996\u3067\u8ffd\u3046\u3068\u6642\u9593\u304c\u304b\u304b\u308b\u4e00\u65b9\u3001AI\u30a8\u30fc\u30b8\u30a7\u30f3\u30c8\u306b\u8aad\u307e\u305b\u308b\u3068\u6570\u79d2\u301c\u6570\u5341\u79d2\u3067\u6307\u6458\u304c\u8fd4\u3063\u3066\u304d\u307e\u3059\u3002\u6b21\u306e\u7ae0\u3067\u306f\u3001\u3053\u3046\u3057\u305fAI\u6d3b\u7528\u304cC\u8a00\u8a9e\u306e\u30d0\u30b0\u691c\u51fa\u306b\u9650\u3089\u305a\u3001\u696d\u52d9\u5168\u4f53\u3067\u3069\u3053\u307e\u3067\u52b9\u3044\u3066\u304f\u308b\u306e\u304b\u3092\u3001\u5f0a\u793e\u306e\u5b9f\u30c7\u30fc\u30bf\u3068\u3068\u3082\u306b\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n\n\n<div style=\"margin:48px 0 8px;display:flex;gap:12px;justify-content:center;flex-wrap:wrap;\"><a href=\"https:\/\/aikanri.genai-ai.co.jp\/seminar2-blog\/?utm_source=blog&#038;utm_medium=h2banner&#038;utm_content=c-integer-types&#038;blog_slug=c-integer-types\" target=\"_blank\" rel=\"noopener\" aria-label=\"Claude Code \u5b8c\u5168\u89e3\u8aac\u30bb\u30df\u30ca\u30fc\uff08\u7121\u6599\u30fb1on1\u30fb60\u5206\uff09\u306e\u4e88\u7d04\u753b\u9762\u3078\" style=\"flex:1 1 280px;max-width:360px;text-decoration:none;\"><img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/05\/cta_seminar_claude_code_2026.jpg\" alt=\"Claude Code \u5b8c\u5168\u89e3\u8aac\u30bb\u30df\u30ca\u30fc\uff5c\u7d4c\u55b6\u8005\u30fb\u4f1a\u793e\u5f79\u54e1\u5c02\u7528 1on1 60\u5206 \u7121\u6599\" style=\"width:100%;height:auto;border-radius:8px;display:block;\"><\/a><a href=\"https:\/\/aikanri.genai-ai.co.jp\/?utm_source=blog&#038;utm_medium=h2banner&#038;utm_campaign=c-integer-types&#038;utm_content=h2-banner-kanri\" target=\"_blank\" rel=\"noopener\" aria-label=\"AI\u9b3c\u7ba1\u7406 \u516c\u5f0f\u30b5\u30a4\u30c8\u3078\" style=\"flex:1 1 280px;max-width:360px;text-decoration:none;\"><img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/05\/cta_blog_1to1.jpg\" alt=\"Claude Code\u3092\u7d4c\u55b6\u306b\u6d3b\u304b\u3057\u305f\u3044\u65b9\u3078 \u2014 AI\u9b3c\u7ba1\u7406\" style=\"width:100%;height:auto;border-radius:8px;display:block;\"><\/a><\/div>\n\n\n<div id=\"sec-07\"><\/div>\n<h2 class=\"section-header-img\" style=\"margin:32px 0 24px;border-radius:8px;overflow:hidden;background:linear-gradient(135deg,#1a1a1a 0%,#2a1015 100%);padding:32px 28px;color:#fff;position:relative;border:none;border-left:none;text-align:left;\">\n  <span class=\"section-number\" style=\"display:block;\">07<\/span>\n  <span class=\"section-label\" style=\"display:block;\">GENAI CASE STUDY<\/span>\n  <span class=\"section-title\" style=\"display:block;\">\u3010\u72ec\u81ea\u30c7\u30fc\u30bf\u3011GENAI\u793e\u5185\u3067\u898b\u308b\u300cAI\u306b\u30b3\u30fc\u30c9\u54c1\u8cea\u7ba1\u7406\u3092\u4efb\u305b\u308b\u300d\u6642\u4ee3<\/span>\n  <span class=\"section-desc\">\u30b3\u30fc\u30c9\u3092\u66f8\u304b\u306a\u3044\u696d\u52d9\u306b\u3082AI\u30a8\u30fc\u30b8\u30a7\u30f3\u30c8\u3092\u7d44\u307f\u8fbc\u3093\u3067\u3044\u308b\u5b9f\u4f8b<\/span>\n<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5f0a\u793e\uff08\u682a\u5f0f\u4f1a\u793eGENAI\uff09\u3067\u306f\u3001Claude Code\u3092\u5358\u306a\u308b\u300cC\u8a00\u8a9e\u3084Python\u306e\u30b3\u30fc\u30c9\u3092\u66f8\u304f\u30c4\u30fc\u30eb\u300d\u3068\u3057\u3066\u3067\u306f\u306a\u304f\u3001<strong>\u793e\u5185\u306e\u3042\u3089\u3086\u308b\u696d\u52d9\u30d7\u30ed\u30bb\u30b9\u306b\u7d44\u307f\u8fbc\u3080\u30a8\u30fc\u30b8\u30a7\u30f3\u30c8<\/strong>\u3068\u3057\u3066\u904b\u7528\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u3053\u3067\u306f\u3001C\u8a00\u8a9e\u306e\u5b66\u7fd2\u8005\u306b\u3068\u3063\u3066\u8eab\u8fd1\u306a\u300cAI\u306b\u30c1\u30a7\u30c3\u30af\u3092\u4efb\u305b\u308b\u300d\u3068\u3044\u3046\u767a\u60f3\u304c\u3001\u5b9f\u52d9\u3067\u306f\u3069\u3053\u307e\u3067\u5e83\u304c\u3063\u3066\u3044\u308b\u306e\u304b\u3092\u5b9f\u30c7\u30fc\u30bf\u3067\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">7-1. \u5f0a\u793e\u306e\u5951\u7d04\u30d7\u30e9\u30f3\u3068\u5c0e\u5165\u7bc4\u56f2<\/h3>\n\n\n\n<table>\n<thead><tr><th>\u9805\u76ee<\/th><th>\u5185\u5bb9<\/th><\/tr><\/thead>\n<tbody>\n<tr><td>\u5951\u7d04\u30d7\u30e9\u30f3<\/td><td>Claude Max 20x\uff08\u6708\u984d$200 \/ \u7d0430,000\u5186\uff09<\/td><\/tr>\n<tr><td>\u5229\u7528\u958b\u59cb<\/td><td>2025\u5e74\u5f8c\u534a\u301c<\/td><\/tr>\n<tr><td>\u5229\u7528\u90e8\u7f72<\/td><td>\u7d4c\u55b6\u30fb\u55b6\u696d\u30fb\u5e83\u544a\u30fb\u958b\u767a\u30fb\u7d4c\u7406\u30fb\u79d8\u66f8\u696d\u52d9\u307e\u3067\u5168\u793e<\/td><\/tr>\n<tr><td>\u672c\u8a18\u4e8b\u3068\u306e\u95a2\u9023<\/td><td>\u30b3\u30fc\u30c9\u30ec\u30d3\u30e5\u30fc\u3060\u3051\u3067\u306a\u304f\u3001\u8cc7\u6599\u30c1\u30a7\u30c3\u30af\u30fb\u6570\u5024\u306e\u7a81\u5408\u4f5c\u696d\u306b\u3082\u540c\u69d8\u306e\u300cAI\u306b\u3088\u308b\u691c\u8a3c\u300d\u306e\u8003\u3048\u65b9\u3092\u5fdc\u7528<\/td><\/tr>\n<\/tbody>\n<\/table>\n\n\n\n<h3 class=\"wp-block-heading\">7-2. \u696d\u52d9\u9818\u57df\u5225\u306e\u524a\u6e1b\u6642\u9593\uff08\u808c\u611f\u30d9\u30fc\u30b9\u30fb\u6982\u7b97\uff09<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u7b2c6\u7ae0\u3067\u898b\u305f\u300c\u30d0\u30b0\u3092\u4eba\u9593\u3088\u308a\u5148\u306bAI\u304c\u898b\u3064\u3051\u3066\u304f\u308c\u308b\u300d\u3068\u3044\u3046\u4f53\u9a13\u306f\u3001\u5b9f\u306f\u30b3\u30fc\u30c9\u306b\u9650\u3063\u305f\u8a71\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u5f0a\u793e\u3067\u306f\u3001\u8acb\u6c42\u66f8\u3084\u7d4c\u8cbb\u30c7\u30fc\u30bf\u306e\u300c\u6570\u5024\u306e\u7a81\u5408\u30c1\u30a7\u30c3\u30af\u300d\u3001\u55b6\u696d\u8cc7\u6599\u306e\u300c\u4e8b\u5b9f\u95a2\u4fc2\u306e\u78ba\u8a8d\u300d\u306a\u3069\u3001\u4eba\u9593\u304c\u898b\u843d\u3068\u3057\u304c\u3061\u306a\u7d30\u90e8\u306e\u30c1\u30a7\u30c3\u30af\u4f5c\u696d\u306b\u3082\u540c\u3058\u8003\u3048\u65b9\u3067AI\u3092\u7d44\u307f\u8fbc\u3093\u3067\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<table>\n<thead><tr><th>\u696d\u52d9\u9818\u57df<\/th><th>\u4e3b\u306a\u7528\u9014<\/th><th>\u6982\u7b97\u524a\u6e1b\u6642\u9593\uff08\u808c\u611f\u30d9\u30fc\u30b9\uff09<\/th><\/tr><\/thead>\n<tbody>\n<tr><td>\u958b\u767a\u30fb\u30b3\u30fc\u30c9\u30ec\u30d3\u30e5\u30fc<\/td><td>\u578b\u306e\u30df\u30b9\u3001\u6761\u4ef6\u5f0f\u306e\u8aa4\u308a\u306a\u3069\u306e\u4e00\u6b21\u30c1\u30a7\u30c3\u30af<\/td><td>\u90fd\u5ea6\u6570\u5341\u5206\u301c\u6570\u6642\u9593\u3092\u77ed\u7e2e<\/td><\/tr>\n<tr><td>\u7d4c\u7406<\/td><td>\u8acb\u6c42\u66f8\u30c1\u30a7\u30c3\u30af\u30fb\u7d4c\u8cbb\u4ed5\u8a33\u306e\u6570\u5024\u7a81\u5408<\/td><td>\u670840\u6642\u9593 \u2192 \u67085\u6642\u9593<\/td><\/tr>\n<tr><td>\u55b6\u696d<\/td><td>\u63d0\u6848\u66f8\u30fb\u898b\u7a4d\u306e\u4f5c\u6210\u3068\u4e8b\u5b9f\u78ba\u8a8d<\/td><td>\u903120\u6642\u9593 \u2192 \u90312\u6642\u9593<\/td><\/tr>\n<tr><td>\u79d8\u66f8\u696d\u52d9<\/td><td>\u8b70\u4e8b\u9332\u306e\u8981\u7d04\u30fb\u30b9\u30b1\u30b8\u30e5\u30fc\u30eb\u8abf\u6574<\/td><td>\u65e52\u6642\u9593 \u2192 \u65e515\u5206<\/td><\/tr>\n<\/tbody>\n<\/table>\n\n\n\n<div style=\"background:#fef2f2;border:2px solid #dc2626;border-radius:8px;padding:20px 24px;margin:24px 0;\">\n  <div style=\"display:flex;align-items:center;gap:8px;margin-bottom:12px;\">\n    <span style=\"font-size:20px;\">&#9888;&#65039;<\/span>\n    <strong style=\"color:#dc2626;font-size:16px;\">\u6570\u5024\u306e\u6ce8\u610f\u66f8\u304d<\/strong>\n  <\/div>\n  <p style=\"margin:0;font-size:15px;line-height:1.8;color:#333;\">\u4e0a\u8a18\u306f\u5f0a\u793e\u306e\u808c\u611f\u30d9\u30fc\u30b9\u306e\u6982\u7b97\u3067\u3042\u308a\u3001\u696d\u7a2e\u30fb\u696d\u52d9\u5185\u5bb9\u30fb\u62c5\u5f53\u8005\u306e\u30b9\u30ad\u30eb\u306b\u3088\u3063\u3066\u524a\u6e1b\u6642\u9593\u306f\u5909\u52d5\u3057\u307e\u3059\u3002\u300c\u5b8c\u5168\u81ea\u52d5\u5316\u300d\u3084\u300c\u30df\u30b9\u304c\u30bc\u30ed\u306b\u306a\u3063\u305f\u300d\u3068\u3044\u3046\u610f\u5473\u3067\u306f\u306a\u304f\u3001\u3042\u304f\u307e\u3067\u4eba\u9593\u306e\u30c1\u30a7\u30c3\u30af\u30fb\u30ec\u30d3\u30e5\u30fc\u5de5\u7a0b\u306e\u8ca0\u8377\u3092\u5927\u304d\u304f\u4e0b\u3052\u3066\u3044\u308b\u3068\u3044\u3046\u5b9f\u611f\u5024\u3068\u3057\u3066\u3054\u89a7\u304f\u3060\u3055\u3044\u3002<\/p>\n<\/div>\n\n\n\n<div class=\"balloon-wrap\">\n  <div class=\"balloon-icon\">\n    <img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/04\/ceo-sugasawa.jpg\" alt=\"\u4ee3\u8868\u83c5\u6fa4\">\n    <span class=\"balloon-name\">\u4ee3\u8868\u83c5\u6fa4<\/span>\n  <\/div>\n  <div class=\"balloon-body\">C\u8a00\u8a9e\u306e\u578b\u306e\u30d0\u30b0\u3082\u3001\u7d4c\u7406\u306e\u6570\u5024\u7a81\u5408\u3082\u3001\u5b9f\u306f\u69cb\u9020\u306f\u540c\u3058\u306a\u3093\u3067\u3059\u3002\u300c\u4eba\u9593\u304c\u898b\u843d\u3068\u3057\u304c\u3061\u306a\u7d30\u304b\u3044\u4e0d\u6574\u5408\u3092\u3001\u5148\u306bAI\u304c\u62fe\u3063\u3066\u304f\u308c\u308b\u300d\u3002\u3053\u306e\u767a\u60f3\u3092\u696d\u52d9\u306e\u3042\u3061\u3053\u3061\u306b\u5e83\u3052\u3066\u3044\u304f\u3068\u3001\u30c1\u30a7\u30c3\u30af\u4f5c\u696d\u306b\u8cbb\u3084\u3057\u3066\u3044\u305f\u6642\u9593\u304c\u3069\u3093\u3069\u3093\u7a7a\u3044\u3066\u3044\u304d\u307e\u3059\u3002<\/div>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">7-3. \u975e\u30a8\u30f3\u30b8\u30cb\u30a2\u304cAI\u30ec\u30d3\u30e5\u30fc\u3092\u53d6\u308a\u5165\u308c\u308b\u6700\u521d\u306e\u4e00\u6b69<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u300c\u81ea\u5206\u306f\u30a8\u30f3\u30b8\u30cb\u30a2\u3058\u3083\u306a\u3044\u304b\u3089\u3001\u30b3\u30fc\u30c9\u30ec\u30d3\u30e5\u30fc\u306e\u8a71\u306f\u95a2\u4fc2\u306a\u3044\u300d\u3068\u611f\u3058\u305f\u65b9\u3082\u3044\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002\u3057\u304b\u3057\u3001Claude Code\u306e\u3088\u3046\u306a\u30a8\u30fc\u30b8\u30a7\u30f3\u30c8\u306f\u3001\u30b3\u30fc\u30c9\u306b\u9650\u3089\u305a<strong>\u300c\u30eb\u30fc\u30eb\u304c\u6c7a\u307e\u3063\u3066\u3044\u308b\u4f5c\u696d\u306e\u30df\u30b9\u3092\u898b\u3064\u3051\u308b\u300d<\/strong>\u306e\u304c\u5f97\u610f\u3067\u3059\u3002\u5951\u7d04\u66f8\u306e\u6761\u9805\u30c1\u30a7\u30c3\u30af\u3001Excel\u306e\u6570\u5f0f\u306e\u6574\u5408\u6027\u78ba\u8a8d\u3001\u30ec\u30dd\u30fc\u30c8\u306e\u6570\u5024\u306e\u7a81\u5408\u306a\u3069\u3001\u5fdc\u7528\u7bc4\u56f2\u306f\u5e83\u304c\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"g-flow-row\" style=\"margin:24px 0;\">\n  <div class=\"g-flow-item\"><strong>\u6700\u3082\u898b\u843d\u3068\u3057\u304c<br>\u591a\u3044\u4f5c\u696d\u30921\u3064\u9078\u3076<\/strong><br><span style=\"font-size:12px;\">\u6570\u5024\u30c1\u30a7\u30c3\u30af\u7b49<\/span><\/div>\n  <div class=\"g-flow-arrow\">&#8594;<\/div>\n  <div class=\"g-flow-item\"><strong>AI\u306b\u4e00\u6b21\u30c1\u30a7\u30c3\u30af\u3092<br>\u4efb\u305b\u3066\u307f\u308b<\/strong><br><span style=\"font-size:12px;\">\u6700\u7d42\u5224\u65ad\u306f\u4eba\u9593<\/span><\/div>\n  <div class=\"g-flow-arrow\">&#8594;<\/div>\n  <div class=\"g-flow-item\"><strong>\u6307\u6458\u7cbe\u5ea6\u3092<br>1\u30f6\u6708\u691c\u8a3c<\/strong><br><span style=\"font-size:12px;\">\u898b\u843d\u3068\u3057\u7387\u3067\u8a55\u4fa1<\/span><\/div>\n  <div class=\"g-flow-arrow\">&#8594;<\/div>\n  <div class=\"g-flow-item\"><strong>\u4ed6\u306e\u696d\u52d9\u306b\u3082<br>\u6a2a\u5c55\u958b<\/strong><span style=\"font-size:12px;\"><br>\u6210\u529f\u30d1\u30bf\u30fc\u30f3\u3092\u6d41\u7528<\/span><\/div>\n<\/div>\n\n\n\n<div class=\"balloon-wrap is-right\">\n  <div class=\"balloon-icon\">\n    <img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/04\/yamazaki-avatar.png\" alt=\"AI\u9b3c\u7ba1\u7406\u5c71\u5d0e\">\n    <span class=\"balloon-name\">AI\u9b3c\u7ba1\u7406\u5c71\u5d0e<\/span>\n  <\/div>\n  <div class=\"balloon-body\">C\u8a00\u8a9e\u306e\u5b66\u7fd2\u3067\u300c\u578b\u306e\u30eb\u30fc\u30eb\u3092\u53b3\u5bc6\u306b\u5b88\u308b\u300d\u3068\u3044\u3046\u611f\u899a\u304c\u8eab\u306b\u3064\u304f\u3068\u3001\u5b9f\u306f\u4ed6\u306e\u696d\u52d9\u3067\u3082\u300c\u30eb\u30fc\u30eb\u306b\u6cbf\u3063\u3066\u3044\u308b\u304b\u3092AI\u306b\u30c1\u30a7\u30c3\u30af\u3055\u305b\u308b\u300d\u767a\u60f3\u304c\u3059\u3093\u306a\u308a\u7406\u89e3\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u5b66\u7fd2\u3068\u696d\u52d9\u52b9\u7387\u5316\u306f\u3001\u601d\u3063\u3066\u3044\u308b\u4ee5\u4e0a\u306b\u5730\u7d9a\u304d\u3067\u3059\u3002<\/div>\n<\/div>\n\n\n<div style=\"margin:48px 0 8px;display:flex;gap:12px;justify-content:center;flex-wrap:wrap;\"><a href=\"https:\/\/aikanri.genai-ai.co.jp\/seminar2-blog\/?utm_source=blog&#038;utm_medium=h2banner&#038;utm_content=c-integer-types&#038;blog_slug=c-integer-types\" target=\"_blank\" rel=\"noopener\" aria-label=\"Claude Code \u5b8c\u5168\u89e3\u8aac\u30bb\u30df\u30ca\u30fc\uff08\u7121\u6599\u30fb1on1\u30fb60\u5206\uff09\u306e\u4e88\u7d04\u753b\u9762\u3078\" style=\"flex:1 1 280px;max-width:360px;text-decoration:none;\"><img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/05\/cta_seminar_claude_code_2026.jpg\" alt=\"Claude Code \u5b8c\u5168\u89e3\u8aac\u30bb\u30df\u30ca\u30fc\uff5c\u7d4c\u55b6\u8005\u30fb\u4f1a\u793e\u5f79\u54e1\u5c02\u7528 1on1 60\u5206 \u7121\u6599\" style=\"width:100%;height:auto;border-radius:8px;display:block;\"><\/a><a href=\"https:\/\/aikanri.genai-ai.co.jp\/?utm_source=blog&#038;utm_medium=h2banner&#038;utm_campaign=c-integer-types&#038;utm_content=h2-banner-kanri\" target=\"_blank\" rel=\"noopener\" aria-label=\"AI\u9b3c\u7ba1\u7406 \u516c\u5f0f\u30b5\u30a4\u30c8\u3078\" style=\"flex:1 1 280px;max-width:360px;text-decoration:none;\"><img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/05\/cta_blog_1to1.jpg\" alt=\"Claude Code\u3092\u7d4c\u55b6\u306b\u6d3b\u304b\u3057\u305f\u3044\u65b9\u3078 \u2014 AI\u9b3c\u7ba1\u7406\" style=\"width:100%;height:auto;border-radius:8px;display:block;\"><\/a><\/div>\n\n\n<div id=\"sec-08\"><\/div>\n<h2 class=\"section-header-img\" style=\"margin:32px 0 24px;border-radius:8px;overflow:hidden;background:linear-gradient(135deg,#1a1a1a 0%,#2a1015 100%);padding:32px 28px;color:#fff;position:relative;border:none;border-left:none;text-align:left;\">\n  <span class=\"section-number\" style=\"display:block;\">08<\/span>\n  <span class=\"section-label\" style=\"display:block;\">CONCLUSION<\/span>\n  <span class=\"section-title\" style=\"display:block;\">\u307e\u3068\u3081 \u2500\u2500 \u578b\u3092\u6b63\u3057\u304f\u9078\u3079\u308b\u4eba\u306f\u3001AI\u3082\u6b63\u3057\u304f\u4f7f\u3044\u3053\u306a\u305b\u308b<\/span>\n  <span class=\"section-desc\">C\u8a00\u8a9e\u306e\u6574\u6570\u578b\u304b\u3089AI\u6d3b\u7528\u307e\u3067\u3001\u62bc\u3055\u3048\u3066\u304a\u304d\u305f\u3044\u8981\u70b9\u306e\u7dcf\u6574\u7406<\/span>\n<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001C\u8a00\u8a9e\u306e3\u3064\u306e\u6574\u6570\u578b\uff08int\u30fblong int\u30fbshort int\uff09\u306e\u30b5\u30a4\u30ba\u30fb\u7bc4\u56f2\u30fb\u66f8\u5f0f\u6307\u5b9a\u5b50\u3001\u74b0\u5883\u306b\u3088\u3063\u3066\u30b5\u30a4\u30ba\u304c\u5909\u308f\u308b\u7f60\u3001\u30aa\u30fc\u30d0\u30fc\u30d5\u30ed\u30fc\u3084\u30ad\u30e3\u30b9\u30c8\u3067\u8d77\u304d\u308b\u5178\u578b\u30d0\u30b0\u3001\u305d\u3057\u3066Claude Code\u306b\u305d\u306e\u30d0\u30b0\u3092\u30ec\u30d3\u30e5\u30fc\u3055\u305b\u305f\u5b9f\u4f8b\u307e\u3067\u3092\u89e3\u8aac\u3057\u307e\u3057\u305f\u3002\u6700\u5f8c\u306b\u30dd\u30a4\u30f3\u30c8\u3092\u632f\u308a\u8fd4\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<div style=\"background:#fafafa;border-radius:8px;padding:16px 20px;margin:16px 0;border-left:4px solid #dc2626;\">\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span>int\uff084\u30d0\u30a4\u30c8\u304c\u6a19\u6e96\uff09\u30fblong int\uff084\u307e\u305f\u306f8\u30d0\u30a4\u30c8\u30fb\u74b0\u5883\u4f9d\u5b58\uff09\u30fbshort int\uff082\u30d0\u30a4\u30c8\u304c\u6a19\u6e96\uff09\u306e3\u7a2e\u985e<\/span><\/div>\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span>long int\u306e\u30b5\u30a4\u30ba\u306f\u300cLP64\uff0fLLP64\u300d\u3068\u3044\u3046\u30c7\u30fc\u30bf\u30e2\u30c7\u30eb\u306b\u3088\u3063\u3066Windows\u3068Linux\u3067\u5909\u308f\u308b<\/span><\/div>\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span>\u78ba\u5b9f\u306b64bit\u304c\u6b32\u3057\u3044\u5834\u5408\u306f long int \u3067\u306f\u306a\u304f int64_t\uff08stdint.h\uff09\u3092\u4f7f\u3046\u306e\u304c\u5b89\u5168<\/span><\/div>\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span>unsigned\u306e\u30ab\u30a6\u30f3\u30c8\u30c0\u30a6\u30f3\u3084 signed\/unsigned \u306e\u6bd4\u8f03\u306f\u7121\u9650\u30eb\u30fc\u30d7\u30fb\u8aa4\u5224\u5b9a\u306e\u6e29\u5e8a\u306b\u306a\u308b<\/span><\/div>\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span>printf\u306e\u66f8\u5f0f\u6307\u5b9a\u5b50\u306f\u578b\u3068\u53b3\u5bc6\u306b\u4e00\u81f4\u3055\u305b\u308b\uff08%d\u30fb%u\u30fb%ld\u30fb%lu\uff09<\/span><\/div>\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span>\u3053\u3046\u3057\u305f\u300c\u898f\u683c\u30fb\u30eb\u30fc\u30eb\u306b\u6cbf\u3063\u3066\u3044\u308b\u304b\u306e\u30c1\u30a7\u30c3\u30af\u300d\u306fAI\u30a8\u30fc\u30b8\u30a7\u30f3\u30c8\u304c\u5f97\u610f\u306a\u9818\u57df<\/span><\/div>\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span>\u5f0a\u793eGENAI\u3067\u3082Claude Code\u306b\u3088\u308b\u4e00\u6b21\u30c1\u30a7\u30c3\u30af\u3092\u3001\u958b\u767a\u3060\u3051\u3067\u306a\u304f\u7d4c\u7406\u30fb\u55b6\u696d\u306b\u3082\u6a2a\u5c55\u958b\u3057\u3066\u3044\u308b<\/span><\/div>\n\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">C\u8a00\u8a9e\u306e\u6574\u6570\u578b\u306f\u3001\u5730\u5473\u306b\u898b\u3048\u3066\u300c\u898f\u683c\u4e0a\u306e\u30eb\u30fc\u30eb\u300d\u3068\u300c\u5b9f\u88c5\u4e0a\u306e\u6163\u7fd2\u300d\u304c\u5165\u308a\u6df7\u3058\u3063\u305f\u3001\u521d\u5fc3\u8005\u304c\u3064\u307e\u305a\u304d\u3084\u3059\u3044\u9818\u57df\u3067\u3059\u3002\u3053\u3053\u307e\u3067\u4e01\u5be7\u306b\u8aad\u3093\u3067\u304f\u3060\u3055\u3063\u305f\u65b9\u306f\u3001\u5c11\u306a\u304f\u3068\u3082\u300cint\u30fblong int\u30fbshort int\u3092\u4f55\u3068\u306a\u304f\u4f7f\u3046\u300d\u6bb5\u968e\u304b\u3089\u306f\u5352\u696d\u3067\u304d\u305f\u306f\u305a\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u305d\u3057\u3066\u3082\u3046\u3072\u3068\u3064\u304a\u4f1d\u3048\u3057\u305f\u3044\u306e\u306f\u3001\u3053\u3046\u3057\u305f<strong>\u300c\u30eb\u30fc\u30eb\u306b\u6cbf\u3063\u3066\u3044\u308b\u304b\u3092\u6a5f\u68b0\u7684\u306b\u30c1\u30a7\u30c3\u30af\u3059\u308b\u300d\u3068\u3044\u3046\u767a\u60f3\u306f\u3001\u30b3\u30fc\u30c9\u306b\u9650\u3089\u305a\u696d\u52d9\u5168\u822c\u3067\u5fdc\u7528\u3067\u304d\u308b<\/strong>\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u3002\u5f0a\u793e\u3067\u306f\u3001Claude Code\u3092\u4f7f\u3063\u305f\u3053\u3046\u3057\u305fAI\u6d3b\u7528\u306e\u30ce\u30a6\u30cf\u30a6\u3092\u3001\u30b3\u30fc\u30c9\u9818\u57df\u3060\u3051\u3067\u306a\u304f\u7d4c\u55b6\u30fb\u55b6\u696d\u30fb\u7d4c\u7406\u307e\u3067\u542b\u3081\u305f\u696d\u52d9\u5168\u4f53\u306e\u8a2d\u8a08\u3068\u3057\u3066\u652f\u63f4\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"balloon-wrap\">\n  <div class=\"balloon-icon\">\n    <img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/04\/ceo-sugasawa.jpg\" alt=\"\u4ee3\u8868\u83c5\u6fa4\">\n    <span class=\"balloon-name\">\u4ee3\u8868\u83c5\u6fa4<\/span>\n  <\/div>\n  <div class=\"balloon-body\">\u5f0a\u793e\u3067\u306f\u300cAI\u9b3c\u7ba1\u7406\u300d\u3068\u3044\u3046\u30b5\u30fc\u30d3\u30b9\u3067\u3001Claude Code\u3092\u4f7f\u3063\u305f\u696d\u52d9\u306e\u30c1\u30a7\u30c3\u30af\u4f53\u5236\u3065\u304f\u308a\u304b\u3089\u4f34\u8d70\u307e\u3067\u652f\u63f4\u3057\u3066\u3044\u307e\u3059\u3002\u300c\u3046\u3061\u306e\u696d\u52d9\u306e\u3069\u3053\u306bAI\u30c1\u30a7\u30c3\u30af\u304c\u4f7f\u3048\u308b\u304b\u5206\u304b\u3089\u306a\u3044\u300d\u3068\u3044\u3046\u6bb5\u968e\u304b\u3089\u3067\u5927\u4e08\u592b\u3067\u3059\u3002\u304a\u6c17\u8efd\u306b\u3054\u76f8\u8ac7\u304f\u3060\u3055\u3044\u3002<\/div>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">\u30b3\u30fc\u30c9\u306e\u30c1\u30a7\u30c3\u30af\u3082\u3001\u696d\u52d9\u306e\u30c1\u30a7\u30c3\u30af\u3082\u3001AI\u306b\u4efb\u305b\u3089\u308c\u308b\u6642\u4ee3\u3078<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">C\u8a00\u8a9e\u306e\u578b\u306e\u30df\u30b9\u3092AI\u304c\u6570\u79d2\u3067\u898b\u3064\u3051\u305f\u3088\u3046\u306b\u3001\u5fa1\u793e\u306e\u696d\u52d9\u306e\u4e2d\u306b\u3082\u300c\u4eba\u9593\u304c\u898b\u843d\u3068\u3057\u304c\u3061\u306a\u30c1\u30a7\u30c3\u30af\u4f5c\u696d\u300d\u304c\u7720\u3063\u3066\u3044\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002<br>Claude Code\u3092\u4f7f\u3063\u305f\u696d\u52d9\u306eAI\u6d3b\u7528\u306b\u3064\u3044\u3066\u3001\u5f0a\u793e\u306e\u5b9f\u904b\u7528\u30ce\u30a6\u30cf\u30a6\u3092\u3082\u3068\u306b\u500b\u5225\u306b\u76f8\u8ac7\u3092\u627f\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"balloon-wrap is-right\">\n  <div class=\"balloon-icon\">\n    <img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/04\/yamazaki-avatar.png\" alt=\"AI\u9b3c\u7ba1\u7406\u5c71\u5d0e\">\n    <span class=\"balloon-name\">AI\u9b3c\u7ba1\u7406\u5c71\u5d0e<\/span>\n  <\/div>\n  <div class=\"balloon-body\">\u300cAI\u3092\u3069\u3053\u304b\u3089\u696d\u52d9\u306b\u7d44\u307f\u8fbc\u3081\u3070\u3044\u3044\u304b\u5206\u304b\u3089\u306a\u3044\u300d\u3068\u3044\u3046\u65b9\u306b\u5411\u3051\u3066\u3001\u307e\u305a\u306f\u7121\u6599\u76f8\u8ac7\u3067\u3001\u3042\u306a\u305f\u306e\u696d\u52d9\u306e\u4e2d\u3067\u4e00\u756a\u30a4\u30f3\u30d1\u30af\u30c8\u304c\u5927\u304d\u3044\u90e8\u5206\u3092\u4e00\u7dd2\u306b\u898b\u3064\u3051\u307e\u3057\u3087\u3046\u3002<\/div>\n<\/div>\n\n\n\n<div style=\"background:linear-gradient(135deg,#1a1a1a 0%,#2a1015 100%);border-radius:16px;padding:36px 32px;margin:48px 0 16px;color:#fff;\">\n  <p style=\"font-size:13px;font-weight:700;color:#dc2626;letter-spacing:2px;margin:0 0 12px;\">NEXT STEP<\/p>\n  <p style=\"font-size:22px;font-weight:800;line-height:1.5;margin:0 0 20px;\">\u3053\u306e\u8a18\u4e8b\u306e\u5185\u5bb9\u3092\u3001\u3042\u306a\u305f\u306e\u30d3\u30b8\u30cd\u30b9\u3067<br>\u5b9f\u8df5\u3057\u3066\u307f\u307e\u305b\u3093\u304b\uff1f<\/p>\n  <div style=\"background:rgba(255,255,255,0.06);border:1px solid rgba(255,255,255,0.12);border-radius:12px;padding:24px;max-width:560px;margin:0 auto;\">\n    <p style=\"font-size:13px;color:#dc2626;font-weight:700;margin:0 0 8px;\">AI\u6d3b\u7528\u3092\u81ea\u793e\u3067\u56de\u305b\u308b\u3088\u3046\u306b\u306a\u308a\u305f\u3044\u65b9\u3078<\/p>\n    <p style=\"font-size:20px;font-weight:800;margin:0 0 12px;\">AI\u9b3c\u7ba1\u7406<\/p>\n    <p style=\"font-size:14px;color:rgba(255,255,255,0.75);margin:0 0 20px;line-height:1.7;\">Claude Code\u30fbCowork\u5c0e\u5165\u652f\u63f4\u304b\u3089\u696d\u52d9\u8a2d\u8a08\u30fb\u793e\u5185\u6d78\u900f\u307e\u3067\u5b9f\u8df5\u30d9\u30fc\u30b9\u3067\u4f34\u8d70\u3002\u300c\u81ea\u793e\u3067\u56de\u305b\u308b\u7d44\u7e54\u300d\u309290\u65e5\u3067\u4f5c\u308b\u7d4c\u55b6\u8005\u5411\u3051\u30c8\u30ec\u30fc\u30cb\u30f3\u30b0\u3002<\/p>\n    <div style=\"text-align:center;\">\n      <a href=\"https:\/\/aikanri.genai-ai.co.jp\/?utm_source=blog&utm_medium=article&utm_campaign=c-integer-types&utm_content=next-step-cta\" target=\"_blank\" rel=\"noopener\" style=\"display:inline-block;background:#dc2626;color:#fff;font-weight:700;font-size:15px;padding:14px 32px;border-radius:30px;text-decoration:none;\">AI\u9b3c\u7ba1\u7406\u3092\u8a73\u3057\u304f\u898b\u308b \u2192<\/a>\n    <\/div>\n  <\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"faq\">\u3088\u304f\u3042\u308b\u8cea\u554f<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Q. C\u8a00\u8a9e\u306e\u5b66\u7fd2\u3067\u306f\u3001\u7d50\u5c40int\u578b\u3068long int\u578b\u306e\u3069\u3061\u3089\u3092\u4f7f\u3048\u3070\u3044\u3044\u3067\u3059\u304b\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A. \u7279\u5225\u306a\u7406\u7531\u304c\u306a\u3051\u308c\u3070\u3001\u307e\u305aint\u578b\u3092\u4f7f\u3046\u306e\u304c\u57fa\u672c\u3067\u3059\u3002int\u578b\u306e\u7bc4\u56f2\uff08\u7d04\u00b121\u5104\uff09\u3067\u8db3\u308a\u306a\u3044\u3001\u304b\u3064\u78ba\u5b9f\u306b\u5927\u304d\u306a\u6570\u5024\u304c\u5fc5\u8981\u3060\u3068\u5206\u304b\u3063\u3066\u3044\u308b\u5834\u5408\u306e\u307flong int\u578b\uff08\u3067\u304d\u308c\u3070int64_t\uff09\u3092\u691c\u8a0e\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u300c\u5ff5\u306e\u305f\u3081\u5168\u90e8long int\u306b\u3059\u308b\u300d\u3068\u3044\u3046\u66f8\u304d\u65b9\u306f\u3001\u74b0\u5883\u4f9d\u5b58\u306e\u7f60\u3092\u8e0f\u3080\u30ea\u30b9\u30af\u3092\u4e0a\u3052\u308b\u3060\u3051\u306a\u306e\u3067\u304a\u3059\u3059\u3081\u3057\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q. \u306a\u305cint\u578b\u3084long int\u578b\u306e\u30b5\u30a4\u30ba\u306f\u74b0\u5883\u306b\u3088\u3063\u3066\u9055\u3046\u306e\u3067\u3059\u304b\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A. C\u8a00\u8a9e\u306e\u898f\u683c\u304c\u5404\u6574\u6570\u578b\u306b\u3064\u3044\u3066\u300c\u6700\u4f4e\u9650\u4fdd\u8a3c\u3059\u308b\u30d3\u30c3\u30c8\u6570\u300d\u3057\u304b\u5b9a\u3081\u3066\u304a\u3089\u305a\u3001\u6b63\u78ba\u306a\u5b9f\u88c5\u30b5\u30a4\u30ba\u3092\u30b3\u30f3\u30d1\u30a4\u30e9\u3068OS\u306e\u7d44\u307f\u5408\u308f\u305b\uff08\u30c7\u30fc\u30bf\u30e2\u30c7\u30eb\uff09\u306b\u59d4\u306d\u3066\u3044\u308b\u305f\u3081\u3067\u3059\u3002\u7279\u306blong int\u578b\u306f\u300164\u30d3\u30c3\u30c8Windows\uff08LLP64\uff09\u3067\u306f4\u30d0\u30a4\u30c8\u300164\u30d3\u30c3\u30c8Linux\/macOS\uff08LP64\uff09\u3067\u306f8\u30d0\u30a4\u30c8\u306b\u306a\u308b\u3068\u3044\u3046\u9055\u3044\u304c\u3042\u308a\u3001\u521d\u5fc3\u8005\u304c\u6700\u3082\u30cf\u30de\u308a\u3084\u3059\u3044\u30dd\u30a4\u30f3\u30c8\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q. short int\u578b\u3092\u4f7f\u3046\u30e1\u30ea\u30c3\u30c8\u306f\u5177\u4f53\u7684\u306b\u4f55\u3067\u3059\u304b\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A. \u6700\u5927\u306e\u30e1\u30ea\u30c3\u30c8\u306f\u30e1\u30e2\u30ea\u4f7f\u7528\u91cf\u306e\u7bc0\u7d04\u3067\u3059\u3002int\u578b\uff084\u30d0\u30a4\u30c8\uff09\u3092short int\u578b\uff082\u30d0\u30a4\u30c8\uff09\u306b\u5909\u3048\u308b\u3060\u3051\u3067\u3001\u5927\u91cf\u306e\u8981\u7d20\u3092\u6301\u3064\u914d\u5217\u3067\u3042\u308c\u3070\u30e1\u30e2\u30ea\u4f7f\u7528\u91cf\u3092\u5358\u7d14\u8a08\u7b97\u3067\u534a\u5206\u306b\u3067\u304d\u307e\u3059\u3002\u6570\u767e\u4e07\u4ef6\u898f\u6a21\u306e\u30c7\u30fc\u30bf\u3092\u6271\u3046\u5834\u5408\u3084\u3001\u901a\u4fe1\u30d7\u30ed\u30c8\u30b3\u30eb\u306e\u3088\u3046\u306b\u30d0\u30a4\u30c8\u6570\u304c\u53b3\u5bc6\u306b\u6c7a\u307e\u3063\u3066\u3044\u308b\u5834\u9762\u3067\u52b9\u679c\u3092\u767a\u63ee\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q. \u7b26\u53f7\u306a\u3057(unsigned)\u6574\u6570\u306f\u3069\u3093\u306a\u5834\u9762\u3067\u4f7f\u3046\u3079\u304d\u3067\u3059\u304b\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A. \u300c\u5024\u304c\u7d76\u5bfe\u306b\u8ca0\u306b\u306a\u3089\u306a\u3044\u300d\u3068\u4fdd\u8a3c\u3067\u304d\u308b\u5834\u9762\u3001\u4f8b\u3048\u3070\u914d\u5217\u306e\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3084\u30b5\u30a4\u30ba\u3001\u500b\u6570\u306e\u30ab\u30a6\u30f3\u30c8\u306a\u3069\u306b\u5411\u3044\u3066\u3044\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u5f15\u304d\u7b97\u306e\u7d50\u679c\u304c\u8ca0\u306b\u306a\u308a\u5f97\u308b\u8a08\u7b97\uff08\u7279\u306b\u30ab\u30a6\u30f3\u30c8\u30c0\u30a6\u30f3\u306e\u30eb\u30fc\u30d7\uff09\u3067unsigned\u3092\u4f7f\u3046\u3068\u3001\u610f\u56f3\u3057\u306a\u3044\u5de8\u5927\u306a\u5024\u3078\u306e\u6298\u308a\u8fd4\u308a\uff08\u30aa\u30fc\u30d0\u30fc\u30d5\u30ed\u30fc\uff09\u304c\u8d77\u304d\u308b\u305f\u3081\u3001\u3053\u306e\u8a18\u4e8b\u306e\u7b2c5\u7ae0\u3067\u7d39\u4ecb\u3057\u305f\u7121\u9650\u30eb\u30fc\u30d7\u306e\u30d0\u30b0\u306b\u76f4\u7d50\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q. \u6574\u6570\u306e\u30aa\u30fc\u30d0\u30fc\u30d5\u30ed\u30fc\u3092\u9632\u3050\u306b\u306f\u3001\u5177\u4f53\u7684\u306b\u3069\u3046\u3059\u308c\u3070\u3044\u3044\u3067\u3059\u304b\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A. \u5bfe\u7b56\u306f\u4e3b\u306b3\u3064\u3042\u308a\u307e\u3059\u30021\u3064\u76ee\u306f\u6271\u3046\u6570\u5024\u306e\u6700\u5927\u60f3\u5b9a\u5024\u306b\u5bfe\u3057\u3066\u5341\u5206\u306a\u4f59\u88d5\u306e\u3042\u308b\u578b\uff08int64_t\u306a\u3069\uff09\u3092\u9078\u3076\u3053\u3068\u30022\u3064\u76ee\u306f\u6f14\u7b97\u306e\u9014\u4e2d\u7d50\u679c\u304c\u7bc4\u56f2\u3092\u8d85\u3048\u306a\u3044\u304b\u4e8b\u524d\u306b\u898b\u7a4d\u3082\u308b\u3053\u3068\u30023\u3064\u76ee\u306f\u3001\u3053\u306e\u8a18\u4e8b\u306e\u7b2c6\u7ae0\u3067\u7d39\u4ecb\u3057\u305f\u3088\u3046\u306b\u3001Claude Code\u306a\u3069\u306eAI\u30a8\u30fc\u30b8\u30a7\u30f3\u30c8\u306b\u30b3\u30fc\u30c9\u30ec\u30d3\u30e5\u30fc\u3092\u3055\u305b\u3066\u3001\u4eba\u9593\u304c\u898b\u843d\u3068\u3057\u304c\u3061\u306a\u5883\u754c\u6761\u4ef6\u3092\u65e9\u671f\u306b\u691c\u51fa\u3059\u308b\u3053\u3068\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q. C\u8a00\u8a9e\u306e\u5b66\u7fd2\u306bClaude Code\u3092\u4f7f\u3046\u30e1\u30ea\u30c3\u30c8\u306f\u4f55\u3067\u3059\u304b\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A. \u30b3\u30f3\u30d1\u30a4\u30eb\u30a8\u30e9\u30fc\u306b\u306a\u3089\u306a\u3044\u30bf\u30a4\u30d7\u306e\u30d0\u30b0\uff08\u578b\u306e\u4e0d\u4e00\u81f4\u3001\u30aa\u30fc\u30d0\u30fc\u30d5\u30ed\u30fc\u3001\u7b26\u53f7\u3042\u308a\/\u306a\u3057\u306e\u6bd4\u8f03\u30df\u30b9\u306a\u3069\uff09\u306f\u3001\u521d\u5fc3\u8005\u304c\u72ec\u529b\u3067\u898b\u3064\u3051\u308b\u306e\u306b\u6642\u9593\u304c\u304b\u304b\u308a\u307e\u3059\u3002Claude Code\u306b\u30b3\u30fc\u30c9\u3092\u8aad\u307e\u305b\u308b\u3068\u3001\u8a72\u5f53\u7b87\u6240\u306e\u6307\u6458\u306b\u52a0\u3048\u3066\u300c\u306a\u305c\u305d\u306e\u6319\u52d5\u306b\u306a\u308b\u306e\u304b\u300d\u3068\u3044\u3046\u898f\u683c\u30ec\u30d9\u30eb\u306e\u7406\u7531\u307e\u3067\u65e5\u672c\u8a9e\u3067\u8aac\u660e\u3057\u3066\u304f\u308c\u308b\u305f\u3081\u3001\u72ec\u5b66\u306e\u3064\u307e\u305a\u304d\u30dd\u30a4\u30f3\u30c8\u3092\u5927\u5e45\u306b\u6e1b\u3089\u305b\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q. printf\u3067\u578b\u3068\u66f8\u5f0f\u6307\u5b9a\u5b50\u3092\u9593\u9055\u3048\u308b\u3068\u3069\u3046\u306a\u308a\u307e\u3059\u304b\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A. \u30b3\u30f3\u30d1\u30a4\u30eb\u306f\u901a\u3063\u3066\u3057\u307e\u3046\u3053\u3068\u304c\u591a\u3044\u3067\u3059\u304c\u3001\u52d5\u4f5c\u306f\u672a\u5b9a\u7fa9\uff08\u898f\u683c\u4e0a\u306e\u4fdd\u8a3c\u304c\u306a\u3044\u72b6\u614b\uff09\u306b\u306a\u308a\u307e\u3059\u3002\u4f8b\u3048\u307064\u30d3\u30c3\u30c8Linux\u306elong int\u578b\u306e\u5024\u3092%d\u3067\u51fa\u529b\u3057\u3088\u3046\u3068\u3059\u308b\u3068\u3001printf\u304c\u8aad\u307f\u53d6\u308b\u30d0\u30a4\u30c8\u6570\u3068\u5b9f\u969b\u306e\u5024\u306e\u30d0\u30a4\u30c8\u6570\u304c\u98df\u3044\u9055\u3044\u3001\u8868\u793a\u3055\u308c\u308b\u6570\u5024\u304c\u6b63\u3057\u304f\u306a\u3044\u5024\u306b\u306a\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u578b\u306b\u5bfe\u5fdc\u3059\u308b\u66f8\u5f0f\u6307\u5b9a\u5b50\uff08%d\u30fb%u\u30fb%ld\u30fb%lu\u30fb%f\u7b49\uff09\u3092\u5fc5\u305a\u4f7f\u3044\u5206\u3051\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<script type=\"application\/ld+json\">\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"C\u8a00\u8a9e\u306e\u5b66\u7fd2\u3067\u306f\u3001\u7d50\u5c40int\u578b\u3068long int\u578b\u306e\u3069\u3061\u3089\u3092\u4f7f\u3048\u3070\u3044\u3044\u3067\u3059\u304b\uff1f\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"\u7279\u5225\u306a\u7406\u7531\u304c\u306a\u3051\u308c\u3070\u3001\u307e\u305aint\u578b\u3092\u4f7f\u3046\u306e\u304c\u57fa\u672c\u3067\u3059\u3002int\u578b\u306e\u7bc4\u56f2\uff08\u7d04\u00b121\u5104\uff09\u3067\u8db3\u308a\u306a\u3044\u3001\u304b\u3064\u78ba\u5b9f\u306b\u5927\u304d\u306a\u6570\u5024\u304c\u5fc5\u8981\u3060\u3068\u5206\u304b\u3063\u3066\u3044\u308b\u5834\u5408\u306e\u307flong int\u578b\uff08\u3067\u304d\u308c\u3070int64_t\uff09\u3092\u691c\u8a0e\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u300c\u5ff5\u306e\u305f\u3081\u5168\u90e8long int\u306b\u3059\u308b\u300d\u3068\u3044\u3046\u66f8\u304d\u65b9\u306f\u3001\u74b0\u5883\u4f9d\u5b58\u306e\u7f60\u3092\u8e0f\u3080\u30ea\u30b9\u30af\u3092\u4e0a\u3052\u308b\u3060\u3051\u306a\u306e\u3067\u304a\u3059\u3059\u3081\u3057\u307e\u305b\u3093\u3002\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"\u306a\u305cint\u578b\u3084long int\u578b\u306e\u30b5\u30a4\u30ba\u306f\u74b0\u5883\u306b\u3088\u3063\u3066\u9055\u3046\u306e\u3067\u3059\u304b\uff1f\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"C\u8a00\u8a9e\u306e\u898f\u683c\u304c\u5404\u6574\u6570\u578b\u306b\u3064\u3044\u3066\u300c\u6700\u4f4e\u9650\u4fdd\u8a3c\u3059\u308b\u30d3\u30c3\u30c8\u6570\u300d\u3057\u304b\u5b9a\u3081\u3066\u304a\u3089\u305a\u3001\u6b63\u78ba\u306a\u5b9f\u88c5\u30b5\u30a4\u30ba\u3092\u30b3\u30f3\u30d1\u30a4\u30e9\u3068OS\u306e\u7d44\u307f\u5408\u308f\u305b\uff08\u30c7\u30fc\u30bf\u30e2\u30c7\u30eb\uff09\u306b\u59d4\u306d\u3066\u3044\u308b\u305f\u3081\u3067\u3059\u3002\u7279\u306blong int\u578b\u306f\u300164\u30d3\u30c3\u30c8Windows\uff08LLP64\uff09\u3067\u306f4\u30d0\u30a4\u30c8\u300164\u30d3\u30c3\u30c8Linux\/macOS\uff08LP64\uff09\u3067\u306f8\u30d0\u30a4\u30c8\u306b\u306a\u308b\u3068\u3044\u3046\u9055\u3044\u304c\u3042\u308a\u3001\u521d\u5fc3\u8005\u304c\u6700\u3082\u30cf\u30de\u308a\u3084\u3059\u3044\u30dd\u30a4\u30f3\u30c8\u3067\u3059\u3002\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"short int\u578b\u3092\u4f7f\u3046\u30e1\u30ea\u30c3\u30c8\u306f\u5177\u4f53\u7684\u306b\u4f55\u3067\u3059\u304b\uff1f\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"\u6700\u5927\u306e\u30e1\u30ea\u30c3\u30c8\u306f\u30e1\u30e2\u30ea\u4f7f\u7528\u91cf\u306e\u7bc0\u7d04\u3067\u3059\u3002int\u578b\uff084\u30d0\u30a4\u30c8\uff09\u3092short int\u578b\uff082\u30d0\u30a4\u30c8\uff09\u306b\u5909\u3048\u308b\u3060\u3051\u3067\u3001\u5927\u91cf\u306e\u8981\u7d20\u3092\u6301\u3064\u914d\u5217\u3067\u3042\u308c\u3070\u30e1\u30e2\u30ea\u4f7f\u7528\u91cf\u3092\u5358\u7d14\u8a08\u7b97\u3067\u534a\u5206\u306b\u3067\u304d\u307e\u3059\u3002\u6570\u767e\u4e07\u4ef6\u898f\u6a21\u306e\u30c7\u30fc\u30bf\u3092\u6271\u3046\u5834\u5408\u3084\u3001\u901a\u4fe1\u30d7\u30ed\u30c8\u30b3\u30eb\u306e\u3088\u3046\u306b\u30d0\u30a4\u30c8\u6570\u304c\u53b3\u5bc6\u306b\u6c7a\u307e\u3063\u3066\u3044\u308b\u5834\u9762\u3067\u52b9\u679c\u3092\u767a\u63ee\u3057\u307e\u3059\u3002\"\n      }\n   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\"\u300c\u5024\u304c\u7d76\u5bfe\u306b\u8ca0\u306b\u306a\u3089\u306a\u3044\u300d\u3068\u4fdd\u8a3c\u3067\u304d\u308b\u5834\u9762\u3001\u4f8b\u3048\u3070\u914d\u5217\u306e\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3084\u30b5\u30a4\u30ba\u3001\u500b\u6570\u306e\u30ab\u30a6\u30f3\u30c8\u306a\u3069\u306b\u5411\u3044\u3066\u3044\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u5f15\u304d\u7b97\u306e\u7d50\u679c\u304c\u8ca0\u306b\u306a\u308a\u5f97\u308b\u8a08\u7b97\uff08\u7279\u306b\u30ab\u30a6\u30f3\u30c8\u30c0\u30a6\u30f3\u306e\u30eb\u30fc\u30d7\uff09\u3067unsigned\u3092\u4f7f\u3046\u3068\u3001\u610f\u56f3\u3057\u306a\u3044\u5de8\u5927\u306a\u5024\u3078\u306e\u6298\u308a\u8fd4\u308a\uff08\u30aa\u30fc\u30d0\u30fc\u30d5\u30ed\u30fc\uff09\u304c\u8d77\u304d\u308b\u305f\u3081\u3001\u3053\u306e\u8a18\u4e8b\u306e\u7b2c5\u7ae0\u3067\u7d39\u4ecb\u3057\u305f\u7121\u9650\u30eb\u30fc\u30d7\u306e\u30d0\u30b0\u306b\u76f4\u7d50\u3057\u307e\u3059\u3002\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"\u6574\u6570\u306e\u30aa\u30fc\u30d0\u30fc\u30d5\u30ed\u30fc\u3092\u9632\u3050\u306b\u306f\u3001\u5177\u4f53\u7684\u306b\u3069\u3046\u3059\u308c\u3070\u3044\u3044\u3067\u3059\u304b\uff1f\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"\u5bfe\u7b56\u306f\u4e3b\u306b3\u3064\u3042\u308a\u307e\u3059\u30021\u3064\u76ee\u306f\u6271\u3046\u6570\u5024\u306e\u6700\u5927\u60f3\u5b9a\u5024\u306b\u5bfe\u3057\u3066\u5341\u5206\u306a\u4f59\u88d5\u306e\u3042\u308b\u578b\uff08int64_t\u306a\u3069\uff09\u3092\u9078\u3076\u3053\u3068\u30022\u3064\u76ee\u306f\u6f14\u7b97\u306e\u9014\u4e2d\u7d50\u679c\u304c\u7bc4\u56f2\u3092\u8d85\u3048\u306a\u3044\u304b\u4e8b\u524d\u306b\u898b\u7a4d\u3082\u308b\u3053\u3068\u30023\u3064\u76ee\u306f\u3001\u3053\u306e\u8a18\u4e8b\u306e\u7b2c6\u7ae0\u3067\u7d39\u4ecb\u3057\u305f\u3088\u3046\u306b\u3001Claude Code\u306a\u3069\u306eAI\u30a8\u30fc\u30b8\u30a7\u30f3\u30c8\u306b\u30b3\u30fc\u30c9\u30ec\u30d3\u30e5\u30fc\u3092\u3055\u305b\u3066\u3001\u4eba\u9593\u304c\u898b\u843d\u3068\u3057\u304c\u3061\u306a\u5883\u754c\u6761\u4ef6\u3092\u65e9\u671f\u306b\u691c\u51fa\u3059\u308b\u3053\u3068\u3067\u3059\u3002\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"C\u8a00\u8a9e\u306e\u5b66\u7fd2\u306bClaude Code\u3092\u4f7f\u3046\u30e1\u30ea\u30c3\u30c8\u306f\u4f55\u3067\u3059\u304b\uff1f\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"\u30b3\u30f3\u30d1\u30a4\u30eb\u30a8\u30e9\u30fc\u306b\u306a\u3089\u306a\u3044\u30bf\u30a4\u30d7\u306e\u30d0\u30b0\uff08\u578b\u306e\u4e0d\u4e00\u81f4\u3001\u30aa\u30fc\u30d0\u30fc\u30d5\u30ed\u30fc\u3001\u7b26\u53f7\u3042\u308a\/\u306a\u3057\u306e\u6bd4\u8f03\u30df\u30b9\u306a\u3069\uff09\u306f\u3001\u521d\u5fc3\u8005\u304c\u72ec\u529b\u3067\u898b\u3064\u3051\u308b\u306e\u306b\u6642\u9593\u304c\u304b\u304b\u308a\u307e\u3059\u3002Claude Code\u306b\u30b3\u30fc\u30c9\u3092\u8aad\u307e\u305b\u308b\u3068\u3001\u8a72\u5f53\u7b87\u6240\u306e\u6307\u6458\u306b\u52a0\u3048\u3066\u300c\u306a\u305c\u305d\u306e\u6319\u52d5\u306b\u306a\u308b\u306e\u304b\u300d\u3068\u3044\u3046\u898f\u683c\u30ec\u30d9\u30eb\u306e\u7406\u7531\u307e\u3067\u65e5\u672c\u8a9e\u3067\u8aac\u660e\u3057\u3066\u304f\u308c\u308b\u305f\u3081\u3001\u72ec\u5b66\u306e\u3064\u307e\u305a\u304d\u30dd\u30a4\u30f3\u30c8\u3092\u5927\u5e45\u306b\u6e1b\u3089\u305b\u307e\u3059\u3002\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"printf\u3067\u578b\u3068\u66f8\u5f0f\u6307\u5b9a\u5b50\u3092\u9593\u9055\u3048\u308b\u3068\u3069\u3046\u306a\u308a\u307e\u3059\u304b\uff1f\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"\u30b3\u30f3\u30d1\u30a4\u30eb\u306f\u901a\u3063\u3066\u3057\u307e\u3046\u3053\u3068\u304c\u591a\u3044\u3067\u3059\u304c\u3001\u52d5\u4f5c\u306f\u672a\u5b9a\u7fa9\uff08\u898f\u683c\u4e0a\u306e\u4fdd\u8a3c\u304c\u306a\u3044\u72b6\u614b\uff09\u306b\u306a\u308a\u307e\u3059\u3002\u4f8b\u3048\u307064\u30d3\u30c3\u30c8Linux\u306elong int\u578b\u306e\u5024\u3092%d\u3067\u51fa\u529b\u3057\u3088\u3046\u3068\u3059\u308b\u3068\u3001printf\u304c\u8aad\u307f\u53d6\u308b\u30d0\u30a4\u30c8\u6570\u3068\u5b9f\u969b\u306e\u5024\u306e\u30d0\u30a4\u30c8\u6570\u304c\u98df\u3044\u9055\u3044\u3001\u8868\u793a\u3055\u308c\u308b\u6570\u5024\u304c\u6b63\u3057\u304f\u306a\u3044\u5024\u306b\u306a\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u578b\u306b\u5bfe\u5fdc\u3059\u308b\u66f8\u5f0f\u6307\u5b9a\u5b50\uff08%d\u30fb%u\u30fb%ld\u30fb%lu\u30fb%f\u7b49\uff09\u3092\u5fc5\u305a\u4f7f\u3044\u5206\u3051\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002\"\n      }\n    }\n  ]\n}\n<\/script>\n\n\n","protected":false},"excerpt":{"rendered":"<p>C\u8a00\u8a9e\u306eint\u30fblong int\u30fbshort 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