{"title":"CSAcademy #22 \u554f\u984c\u3068\u89e3\u8aac","url":"https://blog.hamayanhamayan.com/entry/2017/03/28/124410","image_url":null,"blog_title":"\u306f\u307e\u3084\u3093\u306f\u307e\u3084\u3093\u306f\u307e\u3084\u3093","categories":["\u7af6\u6280\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0"],"author_name":"hamayanhamayan","height":"190","provider_name":"Hatena Blog","version":"1.0","provider_url":"https://hatena.blog","type":"rich","blog_url":"https://blog.hamayanhamayan.com/","description":"https://csacademy.com/contest/round-22/ \u554f\u984c Triangle Count N\u672c\u306e\u68d2\u304c\u3042\u308a\u3001\u9577\u3055\u304c\u5206\u304b\u3063\u3066\u3044\u308b\u3002 \u3053\u306e\u4e2d\u304b\u3089\u4efb\u610f\u306e3\u672c\u3092\u9078\u3093\u3067\u4e09\u89d2\u5f62\u304c\u4f5c\u308c\u308b\u7d44\u5408\u305b\u306f\u4f55\u901a\u308a\uff1f Frequency Exception N\u8981\u7d20\u306e\u914d\u5217\u304c\u3042\u308b\u3002 \u3053\u306e\u4e2d\u3067\u914d\u5217\u306e\u4e2d\u306b\u73fe\u308c\u308b\u56de\u6570\u304c\u4ed6\u3068\u7570\u306a\u308b\u8981\u7d20\u304c1\u3064\u3042\u308b\u3002 \u305d\u308c\u3092\u63a2\u305b\u3002 Black Shapes H(=N)\u884cW(=M)\u5217\u306e\u30de\u30b9\u76ee\u304c\u3042\u308b\u3002 \u305d\u308c\u305e\u308c\u767d(=0),\u9ed2(=1)\u3067\u5857\u3089\u308c\u3066\u3044\u308b\u3002 \u30de\u30b9\u76ee\u306e\u4e2d\u306e\u767d\u30de\u30b9\u3092\u3069\u308c\u304b1\u3064\u3060\u3051\u9ed2\u306b\u5857\u3063\u3066\u3001\u9ed2\u3092\u6700\u3082\u591a\u304f\u96a3\u63a5\u3055\u305b\u308b\u3002 \u6700\u5927\u3001\u4f55\u500b\u9ed2\u3092\u96a3\u63a5\u3055\u305b\u3089\u308c\u308b\u304b\u3002 Distinct Rotati\u2026","published":"2017-03-28 12:44:10","author_url":"https://blog.hatena.ne.jp/hamayanhamayan/","width":"100%","html":""}