{"categories":[],"image_url":null,"provider_name":"Hatena Blog","description":"\u79c1\u306f\u3064\u3044\u6700\u8fd1\u307e\u3067\u52d8\u9055\u3044\u3057\u3066\u3044\u307e\u3057\u305f\u3002\u3053\u3053\u306e\u30da\u30fc\u30b8\u306b\u66f8\u3044\u3066\u3042\u308b\u3088\u3046\u306a\u65b9\u6cd5\u3067\u3001\u4e00\u69d8\u5206\u5e03\u3059\u308b\u6574\u6570\u304c\u5f97\u3089\u308c\u308b\u3068\u3002 int random(int n) { return (int)(( rand() / (RAND_MAX + 1.0) ) * n); } \u3053\u306e\u65b9\u6cd5\u3001\u4e00\u898b\u3059\u308b\u3068\u5b9f\u306b\u4e00\u69d8\u5206\u5e03\u304c\u5f97\u3089\u308c\u305d\u3046\u306b\u898b\u3048\u308b\u3093\u3067\u3059\u3088\u306d\u3002\u3069\u3046\u3044\u3046\u601d\u8003\u56de\u8def\u3092\u901a\u3063\u3066\u3044\u308b\u304b\u3068\u3044\u3046\u306e\u3092\u81ea\u5df1\u5206\u6790\u3059\u308b\u3068\u3001\u6b21\u306e\u3088\u3046\u306a\u611f\u3058\u3067\u3059\u3002 1. rand() \u3067\u306f 0\u301cRAND_MAX \u306e\u30e9\u30f3\u30c0\u30e0\u306a\u6574\u6570\u304c\u5f97\u3089\u308c\u308b\u30022. \u305d\u308c\u3092 RAND_MAX + 1 \u3067\u5272\u308b\u3068\u3001[0, 1) \u306b\u4e00\u69d8\u5206\u5e03\u3059\u308b\u5b9f\u6570\u304c\u5f97\u3089\u308c\u308b\u30023. [0, 1) \u306e\u4e00\u69d8\u306a\u5b9f\u6570\u3092 n \u2026","url":"https://takeda25.hatenablog.jp/entry/20130818/1376837093","version":"1.0","height":"190","width":"100%","title":"\u3044\u3064\u304b\u3089\u305d\u306e\u65b9\u6cd5\u3067\u504f\u308a\u306e\u306a\u3044\u4e71\u6570\u304c\u5f97\u3089\u308c\u308b\u3068\u932f\u899a\u3057\u3066\u3044\u305f\uff1f","published":"2013-08-18 23:44:53","author_name":"takeda25","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Ftakeda25.hatenablog.jp%2Fentry%2F20130818%2F1376837093\" title=\"\u3044\u3064\u304b\u3089\u305d\u306e\u65b9\u6cd5\u3067\u504f\u308a\u306e\u306a\u3044\u4e71\u6570\u304c\u5f97\u3089\u308c\u308b\u3068\u932f\u899a\u3057\u3066\u3044\u305f\uff1f - \u30a2\u30b9\u30da\u65e5\u8a18\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","author_url":"https://blog.hatena.ne.jp/takeda25/","blog_url":"https://takeda25.hatenablog.jp/","blog_title":"\u30a2\u30b9\u30da\u65e5\u8a18","provider_url":"https://hatena.blog","type":"rich"}