{"id":97273,"date":"2024-03-21T21:50:45","date_gmt":"2024-03-21T12:50:45","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/c%e4%b8%adrand%e5%87%bd%e6%95%b0%e7%9a%84%e7%94%a8%e6%b3%95%e6%98%af%e4%bb%80%e4%b9%88\/"},"modified":"2024-04-05T22:36:20","modified_gmt":"2024-04-05T13:36:20","slug":"c%e4%b8%adrand%e5%87%bd%e6%95%b0%e7%9a%84%e7%94%a8%e6%b3%95%e6%98%af%e4%bb%80%e4%b9%88","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/ja\/blog\/c%e4%b8%adrand%e5%87%bd%e6%95%b0%e7%9a%84%e7%94%a8%e6%b3%95%e6%98%af%e4%bb%80%e4%b9%88\/","title":{"rendered":"c++\u4e2drand()\u51fd\u6570\u7684\u7528\u6cd5\u662f\u4ec0\u4e48"},"content":{"rendered":"

C++\u3067\u306frand()\u95a2\u6570\u304c\u64ec\u4f3c\u4e71\u6570\u3092\u751f\u6210\u3059\u308b\u305f\u3081\u306b\u4f7f\u308f\u308c\u307e\u3059\u3002\u305d\u306e\u4f7f\u3044\u65b9\u306f\u6b21\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n

    \n
  1. \u307e\u305a\u306f\u30d8\u30c3\u30c0\u30fc\u30d5\u30a1\u30a4\u30eb\u3092\u542b\u3081\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n
  2. rand()\u95a2\u6570\u3092\u547c\u3073\u51fa\u3057\u30660\u304b\u3089RAND_MAX\uff08\u5b9f\u969b\u306f32767\u4ee5\u4e0a\u306e\u5024\uff09\u307e\u3067\u306e\u30e9\u30f3\u30c0\u30e0\u306a\u6574\u6570\u3092\u751f\u6210\u3067\u304d\u307e\u3059\u3002<\/li>\n
  3. \u7bc4\u56f2\u5185\u306e\u4e71\u6570\u3092\u751f\u6210\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u5834\u5408\u306f\u3001\u5270\u4f59\u8a08\u7b97\u6f14\u7b97\u5b50\u3092\u7528\u3044\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3002\u4f8b\u3048\u3070\u30011 \u304b\u3089 100 \u307e\u3067\u306e\u4e71\u6570\u3092\u751f\u6210\u3059\u308b\u5834\u5408\u306f\u3001rand() % 100 + 1 \u3068\u3059\u308b\u3002<\/li>\n
  4. \u300crand\u300d\u3092\u4f7f\u7528\u3059\u308b\u524d\u306b\u3001srand()\u95a2\u6570\u3092\u547c\u3073\u51fa\u3057\u3066\u4e71\u6570\u306e\u30b7\u30fc\u30c9\u3092\u8a2d\u5b9a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u30b7\u30fc\u30c9\u304c\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u306a\u3051\u308c\u3070\u3001\u30d7\u30ed\u30b0\u30e9\u30e0\u5b9f\u884c\u306e\u5ea6\u306b\u751f\u6210\u3055\u308c\u308b\u4e71\u6570\u30b7\u30fc\u30b1\u30f3\u30b9\u306f\u540c\u3058\u306b\u306a\u308a\u307e\u3059\u3002\u4e00\u822c\u7684\u306b\u306ftime(0)\u95a2\u6570\u3092\u30b7\u30fc\u30c9\u3068\u3057\u3066\u4f7f\u3044\u3001\u73fe\u5728\u306e\u6642\u9593\u3092\u4e71\u6570\u306e\u30b7\u30fc\u30c9\u3068\u3059\u308b\u65b9\u6cd5\u304c\u3042\u308a\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001srand(time(0))\u3068\u8a18\u8ff0\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n

    \u6b21\u306b\u30011 \u304b\u3089 100 \u307e\u3067\u306e\u4e71\u6570\u3092\u751f\u6210\u3057\u3066\u51fa\u529b\u3059\u308b\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3092\u793a\u3057\u307e\u3059\u3002<\/p>\n

    #include<\/span> <iostream><\/span><\/span>\r\n#include<\/span> <cstdlib><\/span><\/span>\r\n#include<\/span> <ctime><\/span><\/span>\r\n\r\nint<\/span> main<\/span>()<\/span> <\/span>{\r\n    srand<\/span>(time<\/span>(0<\/span>));\r\n    int<\/span> randomNumber = rand<\/span>() % 100<\/span> + 1<\/span>;\r\n    std::cout << \"\u968f\u673a\u6570: \"<\/span> << randomNumber << std::endl;\r\n    return<\/span> 0<\/span>;\r\n}\r\n<\/code><\/pre>\n
    rand()\u95a2\u6570\u306f\u7591\u4f3c\u4e71\u6570\u3092\u751f\u6210\u3057\u3001\u305d\u306e\u6570\u5024\u306e\u4e26\u3073\u306f\u6bce\u56de\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u5b9f\u884c\u6642\u306b\u540c\u3058\u306b\u306a\u308a\u307e\u3059\u3002\u3088\u308a\u9ad8\u54c1\u8cea\u306a\u4e71\u6570\u5024\u304c\u5fc5\u8981\u306a\u5834\u5408\u306f\u3001C++11\u3067\u8ffd\u52a0\u3055\u308c\u305fstd::random_device\u3084std::mt19937\u306a\u3069\u306e\u3001\u3088\u308a\u5f37\u56fa\u306a\u4e71\u6570\u751f\u6210\u5668\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3092\u691c\u8a0e\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
    C++\u3067\u306frand()\u95a2\u6570\u304c\u64ec\u4f3c\u4e71\u6570\u3092\u751f\u6210\u3059\u308b\u305f\u3081\u306b\u4f7f\u308f\u308c\u307e\u3059\u3002\u305d\u306e\u4f7f\u3044\u65b9\u306f\u6b21\u306e\u901a\u308a\u3067\u3059\u3002 \u307e\u305a\u306f\u30d8\u30c3\u30c0\u30fc\u30d5\u30a1\u30a4\u30eb\u3092\u542b\u3081\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002 rand()\u95a2\u6570\u3092\u547c\u3073\u51fa\u3057\u30660\u304b\u3089RAND_MAX\uff08\u5b9f\u969b\u306f32767\u4ee5\u4e0a\u306e\u5024\uff09\u307e […]<\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-97273","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"\nc++\u4e2drand()\u51fd\u6570\u7684\u7528\u6cd5\u662f\u4ec0\u4e48 - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/ja\/blog\/c\u4e2drand\u51fd\u6570\u7684\u7528\u6cd5\u662f\u4ec0\u4e48\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"c++\u4e2drand()\u51fd\u6570\u7684\u7528\u6cd5\u662f\u4ec0\u4e48\" \/>\n<meta property=\"og:description\" content=\"C++\u3067\u306frand()\u95a2\u6570\u304c\u64ec\u4f3c\u4e71\u6570\u3092\u751f\u6210\u3059\u308b\u305f\u3081\u306b\u4f7f\u308f\u308c\u307e\u3059\u3002\u305d\u306e\u4f7f\u3044\u65b9\u306f\u6b21\u306e\u901a\u308a\u3067\u3059\u3002 \u307e\u305a\u306f\u30d8\u30c3\u30c0\u30fc\u30d5\u30a1\u30a4\u30eb\u3092\u542b\u3081\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002 rand()\u95a2\u6570\u3092\u547c\u3073\u51fa\u3057\u30660\u304b\u3089RAND_MAX\uff08\u5b9f\u969b\u306f32767\u4ee5\u4e0a\u306e\u5024\uff09\u307e […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/ja\/blog\/c\u4e2drand\u51fd\u6570\u7684\u7528\u6cd5\u662f\u4ec0\u4e48\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - 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