{"type":"rich","author_name":"ngtkana","author_url":"https://blog.hatena.ne.jp/ngtkana/","url":"https://blog.ngtkana.com/entry/2020/02/26/013545","width":"100%","provider_name":"Hatena Blog","published":"2020-02-26 01:35:45","height":"190","blog_url":"https://blog.ngtkana.com/","description":"\u30b3\u30f3\u30c6\u30b9\u30c8\u30da\u30fc\u30b8\uff1ahttps://codeforces.com/contest/1194 A - Remove a Progression(00:05) \u98db\u3070\u3055\u308c\u308b\u306e\u306f\u5947\u6570\u3067\u3059\u304b\u3089\u3001\u7b54\u3048\u306f 2x \u3067\u3059\u3002 B - Yet Another Crosses Problem(00:11) \u4ea4\u5dee\u70b9\u3092\u5168\u63a2\u7d22\u3067\u3059\u3002 \u4e88\u3081\u5404\u5217\u3068\u5404\u884c\u306e\u767d\u30de\u30b9\u306e\u6570\u3092\u6570\u3048\u3066\u304a\u304d\u307e\u3057\u3087\u3046\u3002 \u305d\u308c\u3089\u3092\u8db3\u3057\u3066\u3001\u771f\u3093\u4e2d\u3082\u767d\u30de\u30b9\u306a\u3089\u3070\u305d\u308c\u306f 2 \u56de\u6570\u3048\u3089\u308c\u3066\u3044\u307e\u3059\u304b\u3089\u30011 \u5f15\u3044\u3066\u304a\u304d\u307e\u3057\u3087\u3046\u3002 C - From S To T(00:17) \u91cd\u8907\u5ea6\u7684\u306b\u8db3\u308a\u3066\u3044\u3066\u3001\u304b\u3064\u90e8\u5206\u5217\u306b\u306a\u3063\u3066\u3044\u308c\u3070\u3088\u3044\u3067\u3059\u3002\u3053\u308c\u3089\u3092\u78ba\u304b\u3081\u307e\u3057\u3087\u3046\u3002 \u91cd\u8907\u5ea6\u306f\u3001m(S)-\u2026","title":"Educational Codeforces Round 68 (Rated for Div. 2) (virtual) \u89e3\u6cd5","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fblog.ngtkana.com%2Fentry%2F2020%2F02%2F26%2F013545\" title=\"Educational Codeforces Round 68 (Rated for Div. 2) (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>","provider_url":"https://hatena.blog","version":"1.0","image_url":"https://cdn-ak.f.st-hatena.com/images/fotolife/n/ngtkana/20200226/20200226013418.png","blog_title":"\u30d6\u30ed\u30b0\u540d","categories":[]}