{"blog_url":"https://waken.hatenablog.com/","title":"\uff23\u6a19\u6e96\u306erand\u95a2\u6570\u306e\u751f\u6210\u3059\u308b\u4e71\u6570\u306e\u4e0b\u4f4dbit\u306e\u8cea\u306f\u4f4e\u3044\u3089\u3057\u3044\u3002","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fwaken.hatenablog.com%2Fentry%2F20070517%2F1179754506\" title=\"\uff23\u6a19\u6e96\u306erand\u95a2\u6570\u306e\u751f\u6210\u3059\u308b\u4e71\u6570\u306e\u4e0b\u4f4dbit\u306e\u8cea\u306f\u4f4e\u3044\u3089\u3057\u3044\u3002 - \u8e0a\u308b\u30d7\u30ed\u30b0\u30e9\u30de\u30fc\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","provider_url":"https://hatena.blog","author_name":"wkpn","categories":["c","c++"],"description":"\u30b3\u30f3\u30d1\u30a4\u30e9\u30d9\u30f3\u30c0\u30fc\u4f9d\u5b58\u3060\u3068\u601d\u3046\u306e\u3060\u3051\u3069\u3001 \u4e00\u822c\u306b\uff23\u6a19\u6e96\u306erand\u95a2\u6570\u306e\u751f\u6210\u3059\u308b\u4e71\u6570\u306e\u4e0b\u4f4dbit\u306e\u8cea\u306f\u4f4e\u3044\u3089\u3057\u3044\u3002\u4f8b\u3048\u3070\u3001\u5076\u6570\u3068\u5947\u6570\u304c\u4ea4\u4e92\u306b\u51fa\u305f\u308a\u3057\u3061\u3083\u3046\u3089\u3057\u3044\u3002\u306a\u3093\u3067\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u30b3\u30fc\u30c9\u306f\u5fa1\u6cd5\u5ea6 rand() % N \u3044\u308d\u3044\u308d\u8abf\u3079\u308b\u3068\u3001\u66f8\u304f\u306a\u3089\u3001\u3053\u3046\u2193 (int)((double)rand() / ((double)RAND_MAX + 1) * N) \u3082\u3057\u304f\u306f\u3001 (rand() / M) % N //M \u306f\u9069\u5f53\u306b\u5927\u304d\u306a\u7d20\u6570 \u306a\u611f\u3058\u304c\u826f\u3044\u305d\u3046\u3060\u3002 \u3069\u3061\u3089\u306b\u3057\u3066\u3082\u3001\u4e0a\u4f4dbit\u306e\u5f71\u97ff\u529b\u3092\u5f37\u3081\u3066\u3044\u308b\u306e\u306b\u306f\u5909\u308f\u3089\u306a\u3044\u3002 2\u756a\u76ee\u306e\u3067\u3001\u306a\u305cM\u304c\u7d20\u6570\u306e\u65b9\u304c\u826f\u3044\u306e\u304b\u306f\u3001\u3059\u3044\u307e\u305b\u3093\u3001\u308f\u304b\u308a\u307e\u305b\u3093\u3002","type":"rich","image_url":null,"blog_title":"\u8e0a\u308b\u30d7\u30ed\u30b0\u30e9\u30de\u30fc","provider_name":"Hatena Blog","url":"https://waken.hatenablog.com/entry/20070517/1179754506","height":"190","published":"2007-05-17 22:35:06","author_url":"https://blog.hatena.ne.jp/wkpn/","width":"100%","version":"1.0"}