{"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fna-o-s.hateblo.jp%2Fentry%2F2014%2F12%2F28%2F044733\" title=\"SRM 643 Div1 Easy, TheKingsFactorization - na_o_ys\u306e\u30d6\u30ed\u30b0\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","categories":["SRM"],"title":"SRM 643 Div1 Easy, TheKingsFactorization","provider_name":"Hatena Blog","blog_title":"na_o_ys\u306e\u30d6\u30ed\u30b0","provider_url":"https://hatena.blog","author_url":"https://blog.hatena.ne.jp/na_o_s/","published":"2014-12-28 04:47:33","description":"\u672c\u756a\u306f\u7d20\u6570\u30ea\u30b9\u30c8\u4f5c\u3063\u305f\u3051\u3069\u305d\u306e\u5fc5\u8981\u3082\u7121\u304b\u3063\u305f. \u554f\u984c http://community.topcoder.com/stat?c=problem_statement&pm=13594&rd=16086 1018 \u4ee5\u4e0b\u306e\u6574\u6570 N \u304c\u4e0e\u3048\u3089\u308c\u308b. N \u3092\u7d20\u56e0\u6570\u5206\u89e3\u305b\u3088. \u305f\u3060\u3057\u30d2\u30f3\u30c8\u3068\u3057\u3066, \u6607\u9806 0, 2, 4, 6, ... \u756a\u76ee\u306e\u7d20\u56e0\u6570\u304c\u4e0e\u3048\u3089\u308c\u308b. (e.g. N = 60 \u306e\u5834\u5408, \u7d20\u56e0\u6570 {2, 2, 3, 5} \u306e\u3046\u3061 {2, 3} \u304c\u4e0e\u3048\u3089\u308c\u308b.) \u65b9\u91dd \u30d2\u30f3\u30c8\u3092\u8003\u616e\u3057\u306a\u3044\u5834\u5408, \u221a1018 = 109 \u307e\u3067\u306e\u8a66\u3057\u5272\u308a\u304c\u5fc5\u8981\u3068\u306a\u308a, \u8a08\u7b97\u91cf\u30aa\u30fc\u30d0\u30fc\u3059\u308b. \u30d2\u30f3\u30c8\u306e\u7d20\u56e0\u6570\u4ee5\u5916\u3067, 10\u2026","height":"190","blog_url":"https://na-o-s.hateblo.jp/","width":"100%","version":"1.0","image_url":null,"type":"rich","author_name":"na_o_s","url":"https://na-o-s.hateblo.jp/entry/2014/12/28/044733"}