{"provider_url":"https://hatena.blog","url":"https://tookunn.hatenablog.com/entry/2017/02/16/215058","version":"1.0","height":"190","author_url":"https://blog.hatena.ne.jp/tookunn/","description":"\u554f\u984c codeforces.com \u8003\u5bdf \u591a\u5206\u3053\u308c\u306f,\u4e0e\u3048\u3089\u308c\u305f2\u3064\u306e\u5f0f \u304b\u3089\u3001\u5f0f\u3092\u5909\u5f62\u3057\u3066\u8003\u5bdf\u3092\u9032\u3081\u308c\u3070\u826f\u3044\u306e\u304b\u306a\uff1f@tookunn_1213 \u3053\u306e\u5358\u5c04\u3067\u306f\u306a\u3044\u3063\u3066\u3044\u3046\u306e\u306fh(a) = h(b)\u306e\u5834\u5408,h(a) = h(b) = A\u3068\u3057\u3066\u3001g(h(a)) = a,g(h(b)) = b\u3067,g(A) = a,b\u306fa\u304bb\u3069\u3061\u3089\u304b\u306b\u4e00\u610f\u306b\u5b9a\u307e\u3063\u3066\u3044\u306a\u3044\u3068\u3044\u3046\u3053\u3068\u304b\u2014 tookunn (@tookunn_1213) 2017\u5e742\u670816\u65e5 @tookunn_1213 h(g(x))\u3068h(g(y))\u306f\u540c\u4e00\u306e\u5024\u306b\u306a\u308b\u3053\u3068\u304c\u5206\u304b\u3063\u3066\u3001g(h(g(x))) = g(h(g(y)))\u3067\u306a\u304d\u3083\u3044\u3051\u306a\u3044\u304b\u3089g(x)\u2026","type":"rich","width":"100%","image_url":"http://chart.apis.google.com/chart?cht=tx&chl=g%28h%28x%29%29%20%3D%20x%20%5C%7Bx%20%5Cin%20m%5C%7D","published":"2017-02-16 21:50:58","author_name":"tookunn","blog_title":"tookunn\u2019s diary","categories":["Codeforces"],"title":"Codeforces #397 Div1+Div2 D Artsem and Saunders","blog_url":"https://tookunn.hatenablog.com/","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Ftookunn.hatenablog.com%2Fentry%2F2017%2F02%2F16%2F215058\" title=\"Codeforces #397 Div1+Div2 D Artsem and Saunders - tookunn\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>","provider_name":"Hatena Blog"}