{"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fblog.ngtkana.com%2Fentry%2F2020%2F02%2F02%2F183720\" title=\"Educational Codeforces Round 74  (virtual) \u89e3\u6cd5 - \u30d6\u30ed\u30b0\u540d\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","title":"Educational Codeforces Round 74  (virtual) \u89e3\u6cd5","blog_title":"\u30d6\u30ed\u30b0\u540d","categories":[],"width":"100%","version":"1.0","provider_name":"Hatena Blog","type":"rich","blog_url":"https://blog.ngtkana.com/","published":"2020-02-02 18:37:20","provider_url":"https://hatena.blog","image_url":null,"author_url":"https://blog.hatena.ne.jp/ngtkana/","height":"190","url":"https://blog.ngtkana.com/entry/2020/02/02/183720","author_name":"ngtkana","description":"\u30b3\u30f3\u30c6\u30b9\u30c8\u30da\u30fc\u30b8 https://codeforces.com/contest/1238 \u89e3\u6cd5 \u2714A - Prime Subtraction \u5dee\u304c 1 \u306e\u3068\u304d\u3060\u3051 NO \u3067\u3059\u3002 \u2714B - Kill `Em All A \u3092\u964d\u9806\u306b\u4e26\u3079\u3066\u540c\u3058\u3082\u306e\u3082\u6d88\u3057\u307e\u3059\u3002 \u76f4\u63a5\u653b\u6483\u3092\u3059\u308b\u306e\u306f\u3001\u5927\u304d\u3044\u3082\u306e\u304b\u3089\u9806\u3067\u826f\u3044\u3067\u3059\u304b\u3089\u3001\u653b\u6483\u3059\u308b\u4eba\u6570\u3092\u5168\u63a2\u7d22\u3067\u3059\u3002 \u2714C - Standard Free2play \u8db3\u5834\u304c\u3042\u308b\u3053\u3068\u3092 \u2714\u3001\u306a\u3044\u3053\u3068\u3092 \u2716 \u3068\u547c\u3073\u307e\u3057\u3087\u3046\u3002 \u4f7f\u3046\u4e88\u5b9a\u306e\u77f3\u306f\u30ae\u30ea\u30ae\u30ea\u307e\u3067\u4f7f\u308f\u306a\u3044\u3068\u3059\u308b\u3068\u3001\u72b6\u614b\u306f\u9ad8\u3055\u3060\u3051\u3067\u3059\u3002 \u4e00\u822c\u306b\u3001\u2714 \u3070\u304b\u308a\u306e\u3068\u3053\u308d\u306f 2 \u305a\u3064\u3001\u2716 \u3070\u304b\u308a\u306e\u3068\u3053\u308d\u306f 1 \u305a\u3064\u30ce\u30fc\u30b3\u30b9\u30c8\u3067\u9032\u3081\u307e\u3059\u3002 \u2716\u2026"}