{"published":"2022-03-08 22:04:18","author_name":"bouzuya","author_url":"https://blog.hatena.ne.jp/bouzuya/","title":"\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3068\u6570\u5b66 \u6f14\u7fd2\u554f\u984c\u96c6 075 - Pyramid \u3092\u89e3\u3044\u305f","type":"rich","description":"\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3068\u6570\u5b66 \u6f14\u7fd2\u554f\u984c\u96c6 075 - Pyramid \u3092\u89e3\u3044\u305f\u3002 \u554f\u984c: https://atcoder.jp/contests/math-and-algorithm/tasks/math_and_algorithm_bi \u4f8b\u984c\u3002\u611a\u76f4\u306b\u4e8c\u91cd\u30eb\u30fc\u30d7\u3057\u3066\u3057\u307e\u3046\u3068 O(N^2) \u3067 N <= 2 * 10^5 \u3068\u3044\u3046\u5236\u7d04\u306a\u306e\u3067\u9593\u306b\u5408\u308f\u306a\u3044\u3002\u4f55\u304b\u3057\u3089\u306e\u5de5\u592b\u304c\u5fc5\u8981\u306b\u306a\u308b\u3002\u6628\u65e5 (2022-03-07) \u3068\u540c\u3058\u3060\u3002 a b c d a+b b+c c+d a+2b+c b+2c+d a+3b+3c+d \u307e\u305a\u4fc2\u6570\u90e8\u5206\u306b\u6ce8\u76ee\u3059\u308b\u3002\u3042\u308b\u6570\u304c\u4f55\u56de\u8db3\u3055\u308c\u308b\u304b\u306f\u305d\u3053\u304b\u3089\u4e00\u756a\u4e0a\u307e\u3067\u306e\u7d4c\u8def\u306e\u6570\u306b\u306a\u308b\u3002\u30d4\u30e9\u30df\u30c3\u30c9\u306f\u659c\u2026","categories":[],"version":"1.0","provider_name":"Hatena Blog","provider_url":"https://hatena.blog","blog_url":"https://bouzuya.hatenablog.com/","height":"190","blog_title":"bouzuya.hatenablog.com","width":"100%","url":"https://bouzuya.hatenablog.com/entry/2022/03/08/220418","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fbouzuya.hatenablog.com%2Fentry%2F2022%2F03%2F08%2F220418\" title=\"\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3068\u6570\u5b66 \u6f14\u7fd2\u554f\u984c\u96c6 075 - Pyramid \u3092\u89e3\u3044\u305f - bouzuya.hatenablog.com\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","image_url":null}