{"type":"rich","title":"yukicoder No.391 CODING WAR","version":"1.0","description":"\u3053\u306e\u554f\u984c\u3068\u306f\u95a2\u4fc2\u306a\u3044\u3067\u3059\u304c Typing War \u306f\u697d\u3057\u3044\u3067\u3059\u3002 trap.tokyotech.org \u554f\u984c No.391 CODING WAR - yukicoder \u89e3\u6cd5 \u5305\u9664\u539f\u7406\u3067\u89e3\u304d\u307e\u3059\u3002N \u4eba\u304c M \u554f\u306e\u3044\u305a\u308c\u304b\u306b\u62c5\u5f53\u3059\u308b\u5834\u5408\u306e\u6570\u306f M^N \u901a\u308a\u3067\u3059\u3002\u3067\u3059\u304c, \u3053\u308c\u3060\u3068 N \u4eba\u304c M-1 \u7a2e\u985e\u4ee5\u4e0b\u306e\u554f\u984c\u306b\u3057\u304b\u5272\u308a\u5f53\u3066\u3089\u308c\u3066\u3044\u306a\u3044\u5834\u5408\u3092\u8003\u616e\u3057\u3066\u306a\u3044\u3067\u3059\u3002\u306a\u306e\u3067, comb[M][M-1] * (M-1)^N \u3092\u5f15\u3044\u3066, ... \u3068\u3044\u3046\u30a4\u30e1\u30fc\u30b8\u3067\u3059\u3002\u307e\u3068\u3081\u308b\u3068, \u300cN \u4eba\u304c i \u554f\u4ee5\u4e0b\u306e\u554f\u984c\u306b\u5272\u308a\u5f53\u3066\u3089\u308c\u308b\u5834\u5408\u306e\u6570\u300d\u3068\u3044\u3046\u306e\u3092 M-i \u304c\u5076\u6570\u306a\u3089 +, \u5947\u6570\u306a\u3089 - \u3057\u3066\u8db3\u3057\u3053\u3093\u3067\u3044\u3051\u3070\u2026","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fmayokoex.hatenablog.com%2Fentry%2F2016%2F07%2F09%2F092050\" title=\"yukicoder No.391 CODING WAR - mayoko\u2019s diary\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","author_name":"mayokoex","published":"2016-07-09 09:20:50","blog_url":"https://mayokoex.hatenablog.com/","height":"190","width":"100%","provider_url":"https://hatena.blog","author_url":"https://blog.hatena.ne.jp/mayokoex/","provider_name":"Hatena Blog","categories":["yukicoder"],"url":"https://mayokoex.hatenablog.com/entry/2016/07/09/092050","blog_title":"mayoko\u2019s diary","image_url":null}