{"id":9459,"date":"2025-05-23T17:46:59","date_gmt":"2025-05-23T08:46:59","guid":{"rendered":"https:\/\/techmania.jp\/blog\/?p=9459"},"modified":"2025-05-23T17:47:01","modified_gmt":"2025-05-23T08:47:01","slug":"clang-random","status":"publish","type":"post","link":"https:\/\/techmania.jp\/blog\/clang-random\/","title":{"rendered":"\u3010C\u8a00\u8a9e\u5165\u9580\u3011\u4e71\u6570\u3092\u751f\u6210\u3059\u308b\u65b9\u6cd5\u3092\u89e3\u8aac\uff01rand\u95a2\u6570\u306e\u57fa\u790e\u304b\u3089\u5fdc\u7528\u307e\u3067"},"content":{"rendered":"\n

C\u8a00\u8a9e\u306f\u3001\u30b7\u30b9\u30c6\u30e0\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u3084\u30b2\u30fc\u30e0\u958b\u767a\u306b\u304a\u3044\u3066\u3088\u304f\u4f7f\u7528\u3055\u308c\u3066\u3044\u308b\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u8a00\u8a9e\u306e\u4e00\u7a2e\u3067\u3059\u304c\u3001\u4e2d\u3067\u3082\u300c\u4e71\u6570\u751f\u6210\u300d \u306f\u591a\u304f\u306e\u5834\u9762\u3067\u6d3b\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002
\u30b2\u30fc\u30e0\u5185\u306e\u30e9\u30f3\u30c0\u30e0\u8981\u7d20\u3084\u6697\u53f7\u5316\u306a\u3069\u3001\u7121\u4f5c\u70ba\u306b\u6570\u5024\u3092\u9078\u3093\u3067\u4f7f\u3044\u305f\u3044\u30b1\u30fc\u30b9\u306b\u304a\u3044\u3066\u3001\u4e71\u6570\u751f\u6210\u306f\u975e\u5e38\u306b\u4fbf\u5229\u306a\u6a5f\u80fd\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n

C\u8a00\u8a9e\u3067\u4e71\u6570\u751f\u6210\u3092\u884c\u3046\u5834\u5408\u306b\u4f7f\u7528\u3059\u308b\u306e\u304c\u3001\u300crand\u95a2\u6570\u300d \u3067\u3059\u3002
\u4eca\u56de\u306f\u3001rand\u95a2\u6570\u306e\u4f7f\u7528\u65b9\u6cd5\u306b\u3064\u3044\u3066\u3001\u5b9f\u969b\u306e\u30b3\u30fc\u30c9\u4f8b\u306a\u3069\u3082\u8e0f\u307e\u3048\u306a\u304c\u3089\u3001\u5177\u4f53\u7684\u306b\u89e3\u8aac\u3092\u3057\u3066\u3044\u304d\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n\n\n\n

\u4e71\u6570\u3068\u306f\uff1f<\/h2>\n\n\n\n

\u4e71\u6570\u3068\u306f\u3001\u4efb\u610f\u306b\u5b9a\u3081\u305f\u56fa\u5b9a\u306e\u6570\u5024\u3084\u4e00\u5b9a\u306e\u6cd5\u5247\u306b\u57fa\u3065\u3044\u3066\u6c7a\u3081\u3089\u308c\u308b\u6570\u5024\u3067\u306f\u306a\u304f\u3001\u7121\u4f5c\u70ba\u306b\u6c7a\u5b9a\u3055\u308c\u308b\u6570\u5024\u306e\u3053\u3068\u3092\u6307\u3057\u307e\u3059\u3002
\u6c7a\u3081\u3089\u308c\u305f\u52d5\u304d\u3067\u306f\u306a\u304f\u3001\u30e9\u30f3\u30c0\u30e0\u306a\u52d5\u4f5c\u3092\u30d7\u30ed\u30b0\u30e9\u30e0\u306b\u3055\u305b\u305f\u3044\u5834\u5408\u306b\u307b\u307c\u5fc5\u9808\u306b\u306a\u308b\u306e\u304c\u4e71\u6570\u3067\u3059\u3002<\/p>\n\n\n\n

\u7279\u5b9a\u306e\u8a00\u8a9e\u306b\u9650\u3089\u305a\u3001\u69d8\u3005\u306a\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u8a00\u8a9e\u306b\u304a\u3044\u3066\u4e71\u6570\u751f\u6210\u306e\u305f\u3081\u306e\u6a5f\u80fd\u304c\u7528\u610f\u3055\u308c\u3066\u3044\u307e\u3059\u304c\u3001C\u8a00\u8a9e\u306e\u5834\u5408\u306f\u300crand\u95a2\u6570<\/strong>\u300d\u3092\u4f7f\u3063\u3066\u4e71\u6570\u751f\u6210\u3092\u884c\u3044\u307e\u3059\u3002<\/p>\n\n\n\n

C\u8a00\u8a9e\u306erand\u95a2\u6570\u306e\u4f7f\u3044\u65b9<\/h2>\n\n\n\n

\u305d\u308c\u3067\u306f\u3001rand\u95a2\u6570\u3092\u4f7f\u3063\u3066\u4e71\u6570\u3092\u751f\u6210\u3059\u308b\u65b9\u6cd5\u306b\u3064\u3044\u3066\u898b\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n

\u57fa\u672c\u69cb\u6587\u3068\u4f7f\u3044\u65b9<\/h3>\n\n\n\n

rand\u95a2\u6570\u3092\u4f7f\u3046\u969b\u306b\u306f\u3001\u4e8b\u524d\u6e96\u5099\u3068\u3057\u3066\u6a19\u6e96\u30e9\u30a4\u30d6\u30e9\u30ea\u306e\uff11\u3064\u3067\u3042\u308b\u300cstdlib.h<\/strong>\u300d\u3068\u3044\u3046\u30d8\u30c3\u30c0\u30fc\u30d5\u30a1\u30a4\u30eb\u3092\u30a4\u30f3\u30af\u30eb\u30fc\u30c9\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n

#include <stdlib.h><\/code><\/pre><\/div>\n\n\n\n
rand\u95a2\u6570\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u30010\uff5eRAND_MAX\u307e\u3067\u306e\u6574\u6570\u306e\u4e71\u6570\u3092\u751f\u6210\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002
RAND_MAX\u306f\u3001 stdlib.h\u30d5\u30a1\u30a4\u30eb\u3067\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u308b rand\u95a2\u6570\u304c\u8fd4\u3059\u6700\u5927\u5024\u3067\u3001\u52d5\u4f5c\u74b0\u5883\u3054\u3068\u306b\u6570\u5024\u306f\u7570\u306a\u308a\u307e\u3059\u304c\u3001\u6700\u4f4e\u3067\u3082 32767\u4ee5\u4e0a\u306e\u6570\u5024\u304c\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n
rand\u95a2\u6570\u3067\u306f\u5f15\u6570\u306e\u6307\u5b9a\u306f\u884c\u308f\u306a\u3044\u305f\u3081\u3001\u4ee5\u4e0b\u306e\u69cb\u6587\u306e\u307f\u3067\u4e71\u6570\u3092\u751f\u6210\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n
rand()<\/code><\/pre><\/div>\n\n\n\n
\u4ee5\u4e0b\u306e\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3067\u3001\u5b9f\u969b\u306e\u4f7f\u3044\u65b9\u3092\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n
\u3010\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3011<\/p>\n\n\n\n
#include <stdio.h>\n#include <stdlib.h>\n \nint main(void) {\n\n    printf("RAND_MAX: %d\\n", RAND_MAX);\n\n    for(int i = 0; i < 3; i++) {\n        printf("%d\\n", rand());\n    }\n\n    return 0;\n}<\/code><\/pre><\/div>\n\n\n\n
\u3010\u5b9f\u884c\u7d50\u679c\u3011<\/strong><\/p>\n\n\n\n
RAND_MAX: 2147483647\n2086521570\n1907555127\n495653426<\/code><\/pre>\n\n\n\n
\u4e0a\u8a18\u306e\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3067\u306f RAND_MAX\u306e\u6570\u5024\u304c 2147483647\u3068\u306a\u3063\u3066\u3044\u308b\u305f\u3081\u3001\uff10\u301c2147483647\u306e\u7bc4\u56f2\u3067\u4e71\u6570\u304c\u751f\u6210\u3055\u308c\u3066\u3044\u307e\u3059\u3002
\u203b\u672c\u8a18\u4e8b\u3067\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u5b9f\u884c\u7d50\u679c\u306f\u57fa\u672c\u7684\u306b\u5168\u3066\u30e9\u30f3\u30c0\u30e0\u3067\u3059\u3002\u81ea\u5206\u3067\u8a66\u3057\u305f\u3089\u7d50\u679c\u304c\u5909\u308f\u3063\u305f\uff01\u3068\u601d\u308f\u308c\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u304c\u3001\u305d\u308c\u306f\u30d7\u30ed\u30b0\u30e9\u30e0\u304c\u6b63\u3057\u304f\u4e71\u6570\u3092\u751f\u6210\u3057\u3066\u3044\u308b\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n
\u4f8b\u3048\u3070 10~20\u307e\u3067\u306e\u4e71\u6570\u304c\u6b32\u3057\u3044\u3068\u3044\u3063\u305f\u3088\u3046\u306b\u3001\u751f\u6210\u3059\u308b\u4e71\u6570\u306e\u7bc4\u56f2\u3092\u6307\u5b9a\u3057\u305f\u3044\u5834\u5408\u306b\u306f\u3001\u4ee5\u4e0b\u306e\u5f0f\u3067\u7bc4\u56f2\u3092\u6307\u5b9a\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n
\u3010\u57fa\u672c\u69cb\u6587\u3011<\/strong><\/p>\n\n\n\n
rand() % (\u6700\u5927\u5024 - \u6700\u5c0f\u5024 + 1) + \u6700\u5c0f\u5024<\/code><\/pre><\/div>\n\n\n\n
\u4ee5\u4e0b\u306f\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3067\u3059\u3002<\/p>\n\n\n\n
\u3010\u5b9f\u884c\u7d50\u679c\u3011<\/strong><\/p>\n\n\n\n
8\n5\n10<\/code><\/pre>\n\n\n\n
\u4e71\u6570\u3092\u521d\u671f\u5316\u3059\u308b<\/h2>\n\n\n\n
\u5b9f\u306f\u3001\u5148\u307b\u3069\u306e\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3092\u305d\u306e\u307e\u307e\u5b9f\u884c\u3059\u308b\u3068\u3001\u4f55\u5ea6\u7e70\u308a\u8fd4\u3057\u3066\u3082\u540c\u3058\u30d1\u30bf\u30fc\u30f3\u306e\u4e71\u6570\u304c\u751f\u6210\u3055\u308c\u3066\u3057\u307e\u3044\u307e\u3059\u3002
\u3053\u308c\u306f\u3001\u4e71\u6570\u306e\u751f\u6210\u6642\u306b\u4f7f\u7528\u3059\u308b \u300c\u4e71\u6570\u30b7\u30fc\u30c9<\/strong>\u300d \u304c\u5909\u66f4\u3055\u308c\u3066\u3044\u306a\u3044\u304b\u3089\u3067\u3059\u3002<\/p>\n\n\n\n
\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u306e\u6027\u8cea\u4e0a\u3001\u53b3\u5bc6\u306b\u306f\u30d7\u30ed\u30b0\u30e9\u30e0\u3067\u5b8c\u5168\u306a\u4e71\u6570\u3092\u4f5c\u308b\u3053\u3068\u306f\u3067\u304d\u306a\u3044\u305f\u3081\u3001\u4ee3\u308f\u308a\u306b\u8a08\u7b97\u306b\u3088\u3063\u3066 \u300c\u30e9\u30f3\u30c0\u30e0\u306b\u898b\u3048\u308b\u6570\u5b57\u300d \u3092\u751f\u6210\u3057\u3066\u3044\u307e\u3059\u3002
\u3053\u308c\u3092\u7591\u4f3c\u4e71\u6570\u3068\u547c\u3073\u307e\u3059\u3002<\/p>\n\n\n\n
\u4e71\u6570\u30b7\u30fc\u30c9\u3068\u306f\u3001\u3053\u306e\u7591\u4f3c\u4e71\u6570\u306e\u751f\u6210\u5143\u3068\u306a\u308b\u521d\u671f\u5024\u306e\u3053\u3068\u3092\u8a00\u3044\u307e\u3059\u3002
rand\u95a2\u6570\u3067\u306e\u4e71\u6570\u306e\u751f\u6210\u624b\u9806\u3092\u7c21\u6f54\u306b\u8aac\u660e\u3059\u308b\u3068\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u6d41\u308c\u3067\u751f\u6210\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n
\u30fb1\u56de\u76ee\uff1a\u30b7\u30fc\u30c9\u5024\u3092\u521d\u671f\u5024\u3068\u3057\u3066\u8a08\u7b97\u3092\u884c\u3044\u3001\u4e71\u6570\u3092\u751f\u6210
\u3000\u2193
\u30fb2\u56de\u76ee\uff1a1\u56de\u76ee\u3067\u751f\u6210\u3057\u305f\u4e71\u6570\u3092\u5143\u306b\u540c\u3058\u8a08\u7b97\u3092\u884c\u3044\u3001\u5225\u306e\u4e71\u6570\u3092\u751f\u6210
\u3000\u2193
\u30fb3\u56de\u76ee\uff1a(\u4ee5\u4e0b\u7e70\u308a\u8fd4\u3057)<\/p>\n\n\n\n
\u4f7f\u7528\u3059\u308b\u8a08\u7b97\u5f0f\u306f\u3069\u308c\u3082\u540c\u3058\u3067\u3042\u308b\u305f\u3081\u3001\u521d\u671f\u5024\u3067\u3042\u308b\u30b7\u30fc\u30c9\u5024\u304c\u5909\u308f\u3089\u306a\u3051\u308c\u3070\u7d50\u679c\u3082\u5168\u3066\u540c\u3058\u3068\u306a\u3063\u3066\u3057\u307e\u3044\u307e\u3059\u3002
\u305d\u306e\u305f\u3081\u3001\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u5b9f\u884c\u6bce\u306b\u4e71\u6570\u3092\u3070\u3089\u3064\u304b\u305b\u308b\u305f\u3081\u306b\u306f\u3001\u30b7\u30fc\u30c9\u5024\u3092\u6bce\u56de\u5909\u5316\u3055\u305b\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n
\u3053\u308c\u3092\u89e3\u6c7a\u3059\u308b\u305f\u3081\u306b\u884c\u308f\u308c\u308b\u306e\u304c\u3001\u4e71\u6570\u306e\u521d\u671f\u5316\u3067\u3059\u3002
\u4e00\u822c\u7684\u306b\u4f7f\u7528\u3055\u308c\u308b\u306e\u306f\u3001 srand\u95a2\u6570\u3068 time\u95a2\u6570\u3092\u7d44\u307f\u5408\u308f\u305b\u305f\u521d\u671f\u5316\u65b9\u6cd5\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n
srand\u95a2\u6570\u306f\u3001\u30b7\u30fc\u30c9\u5024\u3092\u8a2d\u5b9a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u95a2\u6570\u3067\u3059\u3002
\u3053\u306e\u95a2\u6570\u306e\u5f15\u6570\u306b\u3001time\u95a2\u6570\u3067\u53d6\u5f97\u3057\u305f\u73fe\u5728\u6642\u523b\u3092\u6307\u5b9a\u3057\u3066\u3001\u30b7\u30fc\u30c9\u5024\u3092\u521d\u671f\u5316\u3057\u307e\u3059\u3002<\/p>\n\n\n\n
time\u95a2\u6570\u3092\u4f7f\u7528\u3059\u308b\u969b\u306f\u3001\u300ctime.h\u300d \u3092\u30a4\u30f3\u30af\u30eb\u30fc\u30c9\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n
#include <time.h><\/code><\/pre><\/div>\n\n\n\n
time\u95a2\u6570\u306e\u5f15\u6570\u306b\u306f NULL\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002
\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u8a18\u8ff0\u3059\u308b\u3053\u3068\u3067\u3001\u73fe\u5728\u6642\u523b\u3092 srand\u95a2\u6570\u306e\u5f15\u6570\u306b\u6307\u5b9a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n
\u3010\u57fa\u672c\u69cb\u6587\u3011<\/strong><\/p>\n\n\n\n
srand((unsigned int)time(NULL)); <\/code><\/pre><\/div>\n\n\n\n
\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3067\u5b9f\u969b\u306e\u52d5\u304d\u3092\u78ba\u8a8d\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n
#include <stdio.h>\n#include <stdlib.h>\n#include <time.h>\n#include <unistd.h>\n \nint main(void) {\n\n    \/\/ \u540c\u4e00\u30b7\u30fc\u30c9\u306e\u5834\u5408\n    for(int i = 0; i < 3; i++) {\n\n        srand(1); \n        printf("%d\u56de\u76ee\u306e\u4e71\u6570\u5217: ", i + 1);\n        \n        for(int j = 0; j < 3; j++) {\n            printf("%d, ", rand());\n        }\n        printf("\\n");\n    }\n    \n    \/\/ \u73fe\u5728\u6642\u523b\u3067\u521d\u671f\u5316\n    for(int i = 0; i < 3; i++) {\n\n        srand((unsigned int)time(NULL)); \n        printf("%d\u56de\u76ee\u306e\u4e71\u6570\u5217: ", i + 1);\n        \n        for(int j = 0; j < 3; j++) {\n            printf("%d, ", rand());\n        }\n        sleep(1); \/\/ \u6642\u523b\u3092\u5909\u3048\u308b\u305f\u3081\u306b1\u79d2\u5f85\u6a5f\n        printf("\\n");\n    }\n    \n    return 0;\n}<\/code><\/pre><\/div>\n\n\n\n
\u3010\u5b9f\u884c\u7d50\u679c\u3011<\/strong><\/p>\n\n\n\n
1\u56de\u76ee\u306e\u4e71\u6570\u5217: 16807, 282475249, 1622650073, \n2\u56de\u76ee\u306e\u4e71\u6570\u5217: 16807, 282475249, 1622650073, \n3\u56de\u76ee\u306e\u4e71\u6570\u5217: 16807, 282475249, 1622650073, \n1\u56de\u76ee\u306e\u4e71\u6570\u5217: 185243666, 1686489959, 200084160, \n2\u56de\u76ee\u306e\u4e71\u6570\u5217: 185260473, 1968965208, 1822734233, \n3\u56de\u76ee\u306e\u4e71\u6570\u5217: 185277280, 103956810, 1297900659, <\/code><\/pre>\n\n\n\n
\u30b7\u30fc\u30c9\u5024\u3092\u540c\u4e00\u306e\u5024\u306b\u8a2d\u5b9a\u3057\u305f\u5834\u5408\u3068\u3001\u73fe\u5728\u6642\u523b\u3092\u4f7f\u7528\u3057\u3066\u5225\u3005\u306e\u5024\u306b\u8a2d\u5b9a\u3057\u305f\u5834\u5408\u3067\u3001\u751f\u6210\u3055\u308c\u308b\u4e71\u6570\u306e\u9055\u3044\u3092\u6bd4\u3079\u3066\u307f\u307e\u3057\u305f\u3002<\/p>\n\n\n\n
\u8a2d\u5b9a\u3059\u308b\u30b7\u30fc\u30c9\u5024\u304c\u540c\u3058\u6570\u5024\u3067\u3042\u308b\u5834\u5408\u306f\u3001\u5404\u30eb\u30fc\u30d7\u6bce\u306b\u751f\u6210\u3055\u308c\u308b\u4e71\u6570\u3082\u540c\u3058\u30d1\u30bf\u30fc\u30f3\u306e\u3082\u306e\u304c\u5f62\u6210\u3055\u308c\u3066\u3044\u307e\u3059\u3002
srand\u95a2\u6570\u3092\u4f7f\u7528\u3057\u306a\u304b\u3063\u305f\u5834\u5408\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u3082\u3001\u3053\u308c\u3068\u540c\u7b49\u306e\u52d5\u304d\u3092\u3059\u308b\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n
\u4e00\u65b9\u3001time\u95a2\u6570\u3067\u53d6\u5f97\u3057\u305f\u73fe\u5728\u6642\u523b\u3092\u4f7f\u7528\u3057\u305f\u5834\u5408\u306b\u306f\u3001\u7570\u306a\u308b\u30d1\u30bf\u30fc\u30f3\u306e\u4e71\u6570\u304c\u751f\u6210\u3055\u308c\u3066\u3044\u308b\u306e\u304c\u5206\u304b\u308b\u3068\u601d\u3044\u307e\u3059\u3002
\u3053\u306e\u51e6\u7406\u3092\u884c\u308f\u306a\u3044\u3068\u3001\u4f55\u5ea6\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u5b9f\u884c\u3057\u3066\u3082\u30b7\u30fc\u30c9\u5024\u304c\u5909\u5316\u3059\u308b\u3053\u3068\u304c\u306a\u3044\u305f\u3081\u3001\u57fa\u672c\u7684\u306b\u306f\u5fc5\u305a\u5165\u308c\u3066\u304a\u304f\u3079\u304d\u51e6\u7406\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n
\u306a\u304a\u3001time\u95a2\u6570\u306f\u79d2\u5358\u4f4d\u3067\u6642\u523b\u3092\u53d6\u5f97\u3059\u308b\u305f\u3081\u3001\u4e0a\u8a18\u306e\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3067\u306f sleep\u95a2\u6570\u3067\u30eb\u30fc\u30d7\u6bce\u306e\u51e6\u7406\u3092\uff11\u79d2\u305a\u3064\u9045\u5ef6\u3055\u305b\u3066\u3044\u307e\u3059\u3002
\u300cunistd.h<\/strong>\u300d\u30d5\u30a1\u30a4\u30eb\u306f\u3001time\u95a2\u6570\u3092\u4f7f\u7528\u3059\u308b\u306e\u306b\u5fc5\u8981\u306a\u30e9\u30a4\u30d6\u30e9\u30ea\u3067\u3059\u3002<\/p>\n\n\n\n
rand\u95a2\u6570\u3092\u4f7f\u3063\u305f\u5b9f\u88c5\u4f8b<\/h2>\n\n\n\n
rand\u95a2\u6570\u3092\u4f7f\u3063\u305f\u7c21\u5358\u306a\u5b9f\u88c5\u4f8b\u3068\u3057\u3066\u3001\u30b5\u30a4\u30b3\u30ed\u3092\u30d7\u30ed\u30b0\u30e9\u30e0\u3067\u8868\u73fe\u3059\u308b\u5834\u5408\u306e\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3068\u3001\u3058\u3083\u3093\u3051\u3093\u30b2\u30fc\u30e0\u3092\u5b9f\u88c5\u3059\u308b\u5834\u5408\u306e\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3092\u7d39\u4ecb\u3057\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n\n\n\n
\u30b5\u30a4\u30b3\u30ed\u3092\u30d7\u30ed\u30b0\u30e9\u30e0\u3067\u518d\u73fe\u3059\u308b<\/h3>\n\n\n\n
\u307e\u305a\u306f\u3001\u30b5\u30a4\u30b3\u30ed\u3092\u30d7\u30ed\u30b0\u30e9\u30e0\u3067\u5b9f\u88c5\u3059\u308b\u4f8b\u304b\u3089\u7d39\u4ecb\u3057\u307e\u3059\u3002
\u30dd\u30a4\u30f3\u30c8\u306f\u3001\u30b5\u30a4\u30b3\u30ed\u306e\u51fa\u76ee\u3068\u540c\u3058\u3088\u3046\u306b\uff11\u301c\uff16\u307e\u3067\u306e\u7bc4\u56f2\u3067\u4e71\u6570\u304c\u751f\u6210\u3055\u308c\u308b\u3088\u3046\u306b\u3059\u308b\u3053\u3068\u3068\u3001\u5024\u3054\u3068\u306e\u51e6\u7406\u3092\u6761\u4ef6\u5206\u3051\u3059\u308b\u3053\u3068\u3067\u3059\u3002<\/p>\n\n\n\n
\u4ee5\u4e0b\u306e\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3067\u306f\u3001\uff11\u56de\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u5b9f\u884c\u3067\uff13\u56de\u30b5\u30a4\u30b3\u30ed\u3092\u632f\u308a\u3001\u305d\u306e\u7d50\u679c\u3092\u8868\u793a\u3059\u308b\u3068\u3044\u3046\u6d41\u308c\u3067\u5b9f\u88c5\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n
\u3010\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3011<\/strong><\/p>\n\n\n\n
#include <stdio.h>\n#include <stdlib.h>\n#include <time.h>\n\nint main(void) {\n\n    srand((unsigned int)time(NULL));\n\n    for(int i = 0; i < 3; i++) {\n\n        printf("%d\u56de\u76ee: ", i + 1);\n        \n        int num = rand() % 6 + 1;\n\n\tif (num >= 1 && num <= 6 ) {\n\n\t    printf("\u30b5\u30a4\u30b3\u30ed\u306e\u76ee\u306f%d\u3067\u3059\\n", num);\n\n\t} else {\n\n\t    printf("\uff11\u301c\uff16\u4ee5\u5916\u306e\u5024\u3067\u3059\\n");\n\n        }\n    }\n    \n    return 0;\n}<\/code><\/pre><\/div>\n\n\n\n
\u3010\u5b9f\u884c\u7d50\u679c\u3011<\/strong><\/p>\n\n\n\n
1\u56de\u76ee: \u30b5\u30a4\u30b3\u30ed\u306e\u76ee\u306f5\u3067\u3059\n2\u56de\u76ee: \u30b5\u30a4\u30b3\u30ed\u306e\u76ee\u306f3\u3067\u3059\n3\u56de\u76ee: \u30b5\u30a4\u30b3\u30ed\u306e\u76ee\u306f1\u3067\u3059<\/code><\/pre>\n\n\n\n
\u4e0a\u8a18\u306e\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3067\u306f\u51fa\u305f\u76ee\u3092\u30b3\u30f3\u30bd\u30fc\u30eb\u306b\u51fa\u529b\u3059\u308b\u306e\u307f\u3067\u3059\u304c\u3001\u751f\u6210\u3057\u305f\u5024\u3092\u6bd4\u8f03\u3057\u3066\u52dd\u6557\u3092\u5224\u65ad\u3059\u308b\u306a\u3069\u3001\u3088\u308a\u30b2\u30fc\u30e0\u3089\u3057\u304f\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n
\u3010\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3011<\/strong><\/p>\n\n\n\n
#include <stdio.h>\n#include <stdlib.h>\n#include <time.h>\n\nint main(void) {\n\n    srand((unsigned int)time(NULL));\n\n    int num1 = rand() % 6 + 1;\n    int num2 = rand() % 6 + 1;\n\n    printf("\u3042\u306a\u305f\u306e\u30b5\u30a4\u30b3\u30ed\u306e\u76ee\u306f%d\u3067\u3059\\n", num1);\n    printf("\u76f8\u624b\u306e\u30b5\u30a4\u30b3\u30ed\u306e\u76ee\u306f%d\u3067\u3059\\n", num2);\n\n    if (num1 > num2) {\n\n        printf("\u3053\u306e\u52dd\u8ca0\u306f\u3042\u306a\u305f\u306e\u52dd\u3061\u3067\u3059\\n");\n\n    } else {\n\n\tprintf("\u3053\u306e\u52dd\u8ca0\u306f\u3042\u306a\u305f\u306e\u8ca0\u3051\u3067\u3059\\n");\n\n    }\n    \n    return 0;\n}<\/code><\/pre><\/div>\n\n\n\n
\u3010\u5b9f\u884c\u7d50\u679c\u3011<\/strong><\/p>\n\n\n\n
\u3042\u306a\u305f\u306e\u30b5\u30a4\u30b3\u30ed\u306e\u76ee\u306f6\u3067\u3059\n\u76f8\u624b\u306e\u30b5\u30a4\u30b3\u30ed\u306e\u76ee\u306f5\u3067\u3059\n\u3053\u306e\u52dd\u8ca0\u306f\u3042\u306a\u305f\u306e\u52dd\u3061\u3067\u3059<\/code><\/pre>\n\n\n\n
\u3058\u3083\u3093\u3051\u3093\u30b2\u30fc\u30e0\u3092\u5b9f\u88c5\u3059\u308b<\/h2>\n\n\n\n
\u7d9a\u3044\u3066\u3001\u3058\u3083\u3093\u3051\u3093\u30b2\u30fc\u30e0\u3092\u5b9f\u88c5\u3059\u308b\u7c21\u5358\u306a\u4f8b\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n\n\n\n
\u901a\u5e38\u306e\u3058\u3083\u3093\u3051\u3093\u3068\u306f\u7570\u306a\u308a\u3001\u30d7\u30ed\u30b0\u30e9\u30e0\u4e0a\u3067\u306f\u6570\u5024\u3092\u5143\u306b\u52dd\u6557\u3092\u5224\u65ad\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u305f\u3081\u3001\u521d\u3081\u306b\u9023\u7d9a\u3059\u308b\uff13\u3064\u306e\u5024\u3092\u4e71\u6570\u3067\u751f\u6210\u3057\u305f\u5f8c\u3001\u305d\u308c\u305e\u308c\u306e\u5024\u3092\u30b0\u30fc\u30fb\u30c1\u30e7\u30ad\u30fb\u30d1\u30fc\u306b\u898b\u7acb\u3066\u3066\u6761\u4ef6\u5206\u3051\u3092\u884c\u3044\u307e\u3059\u3002<\/p>\n\n\n\n
\u6307\u5b9a\u3059\u308b\u4e71\u6570\u306e\u7bc4\u56f2\u306f\u4efb\u610f\u306e\u3082\u306e\u3067\u554f\u984c\u3042\u308a\u307e\u305b\u3093\u304c\u3001\u4eca\u56de\u306e\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3067\u306f\uff10\u301c\uff12\u306e\u7bc4\u56f2\u3067\u4e71\u6570\u751f\u6210\u3092\u884c\u3044\u307e\u3059\u3002
0 \u306f\u30b0\u30fc\u30011 \u306f\u30c1\u30e7\u30ad\u30012 \u306f\u30d1\u30fc\u304c\u51fa\u305f\u3082\u306e\u3068\u898b\u306a\u3057\u3001\u305d\u306e\u4e0a\u3067\u6761\u4ef6\u5f0f\u3092\u8a18\u8ff0\u3057\u307e\u3059\u3002<\/p>\n\n\n\n
\u3010\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3011<\/strong><\/p>\n\n\n\n
#include <stdio.h>\n#include <stdlib.h>\n#include <time.h>\n\nint main(void) {\n\n    srand((unsigned int)time(NULL)); \/\/ \u73fe\u5728\u6642\u523b\u306e\u60c5\u5831\u3067\u521d\u671f\u5316\n\n    for(int i = 0; i < 3; i++) {\n\n        printf("%d\u56de\u6226\u76ee: ", i + 1);\n        \n        int num1 = rand() % 3;\n        int num2 = rand() % 3;\n\n        switch(num1) {\n\n            case 0:\n\n                if(num2 == 0) {\n                  printf("\u4e21\u65b9\u3068\u3082\u30b0\u30fc\u3092\u51fa\u3057\u307e\u3057\u305f\u3002\u5f15\u304d\u5206\u3051\u3067\u3059\u3002\\n");\n\n                } else if(num2 == 1) {\n                  printf("\u3042\u306a\u305f\u306f\u30b0\u30fc\u3067\u3001\u76f8\u624b\u306f\u30c1\u30e7\u30ad\u3092\u51fa\u3057\u307e\u3057\u305f\u3002\u3042\u306a\u305f\u306e\u52dd\u3061\u3067\u3059\u3002\\n");\n\n                } else {\n                  printf("\u3042\u306a\u305f\u306f\u30b0\u30fc\u3067\u3001\u76f8\u624b\u306f\u30d1\u30fc\u3092\u51fa\u3057\u307e\u3057\u305f\u3002\u3042\u306a\u305f\u306e\u8ca0\u3051\u3067\u3059\u3002\\n");\n                }\n\n                break;\n\n            case 1:\n\n                if(num2 == 1) {\n                  printf("\u4e21\u65b9\u3068\u3082\u30c1\u30e7\u30ad\u3092\u51fa\u3057\u307e\u3057\u305f\u3002\u5f15\u304d\u5206\u3051\u3067\u3059\u3002\\n");\n\n                } else if(num2 == 2) {\n                  printf("\u3042\u306a\u305f\u306f\u30c1\u30e7\u30ad\u3067\u3001\u76f8\u624b\u306f\u30d1\u30fc\u3092\u51fa\u3057\u307e\u3057\u305f\u3002\u3042\u306a\u305f\u306e\u52dd\u3061\u3067\u3059\u3002\\n");\n\n                } else {\n                  printf("\u3042\u306a\u305f\u306f\u30c1\u30e7\u30ad\u3067\u3001\u76f8\u624b\u306f\u30b0\u30fc\u3092\u51fa\u3057\u307e\u3057\u305f\u3002\u3042\u306a\u305f\u306e\u8ca0\u3051\u3067\u3059\u3002\\n");\n                }\n\n                break;\n\n            case 2:\n\n                if(num2 == 2) {\n                  printf("\u4e21\u65b9\u3068\u3082\u30d1\u30fc\u3092\u51fa\u3057\u307e\u3057\u305f\u3002\u5f15\u304d\u5206\u3051\u3067\u3059\u3002\\n");\n\n                } else if(num2 == 0) {\n                  printf("\u3042\u306a\u305f\u306f\u30d1\u30fc\u3067\u3001\u76f8\u624b\u306f\u30b0\u30fc\u3092\u51fa\u3057\u307e\u3057\u305f\u3002\u3042\u306a\u305f\u306e\u52dd\u3061\u3067\u3059\u3002\\n");\n\n                } else {\n                  printf("\u3042\u306a\u305f\u306f\u30d1\u30fc\u3067\u3001\u76f8\u624b\u306f\u30c1\u30e7\u30ad\u3092\u51fa\u3057\u307e\u3057\u305f\u3002\u3042\u306a\u305f\u306e\u8ca0\u3051\u3067\u3059\u3002\\n");\n                }\n\n                break;\n\n            default:\n                printf("\u5024\u304c\u4e0d\u6b63\u3067\u3059\\n");\n        }\n\n    }\n    \n    return 0;\n}<\/code><\/pre><\/div>\n\n\n\n
\u3010\u5b9f\u884c\u7d50\u679c\u3011<\/strong><\/p>\n\n\n\n
1\u56de\u6226\u76ee: \u4e21\u65b9\u3068\u3082\u30b0\u30fc\u3092\u51fa\u3057\u307e\u3057\u305f\u3002\u5f15\u304d\u5206\u3051\u3067\u3059\u3002\n2\u56de\u6226\u76ee: \u3042\u306a\u305f\u306f\u30c1\u30e7\u30ad\u3067\u3001\u76f8\u624b\u306f\u30b0\u30fc\u3092\u51fa\u3057\u307e\u3057\u305f\u3002\u3042\u306a\u305f\u306e\u8ca0\u3051\u3067\u3059\u3002\n3\u56de\u6226\u76ee: \u3042\u306a\u305f\u306f\u30b0\u30fc\u3067\u3001\u76f8\u624b\u306f\u30c1\u30e7\u30ad\u3092\u51fa\u3057\u307e\u3057\u305f\u3002\u3042\u306a\u305f\u306e\u52dd\u3061\u3067\u3059\u3002<\/code><\/pre>\n\n\n\n
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\u307e\u3068\u3081<\/h2>\n\n\n\n
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C\u8a00\u8a9e\u306e\u52c9\u5f37\u65b9\u6cd5\u306f\uff1f<\/h2>\n\n\n
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IT\u30b9\u30ad\u30eb\u9700\u8981\u306e\u9ad8\u307e\u308a\u3068\u3068\u3082\u306b\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u30b9\u30af\u30fc\u30eb\u3082\u5897\u3048\u307e\u3057\u305f\u3002\u3057\u304b\u3057\u3001\u3069\u306e\u30b9\u30af\u30fc\u30eb\u306b\u901a\u3046\u3079\u304d\u304b\u8ff7\u3063\u3066\u3057\u307e\u3046\u4eba\u3082\u3044\u308b\u3067\u3057\u3087\u3046\u3002\u305d\u3093\u306a\u65b9\u306b\u306f\u30c6\u30c3\u30af\u30de\u30cb\u30a2\u3092\u304a\u3059\u3059\u3081\u3057\u307e\u3059\uff01\u3053\u308c\u307e\u3067\u591a\u304f\u306eIT\u30a8\u30f3\u30b8\u30cb\u30a2\u3092\u80b2\u6210\u30fb\u8f29\u51fa\u3057\u3066\u304d\u305f\u30c6\u30c3\u30af\u30de\u30cb\u30a2\u3067\u3082\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u30b9\u30af\u30fc\u30eb\u3092\u958b\u8b1b\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n
\n
\uff1c\u30c6\u30c3\u30af\u30de\u30cb\u30a2\u306e\u7279\u5fb4\uff1e<\/strong>
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