{"categories":[],"blog_url":"https://inamori.hateblo.jp/","type":"rich","title":"AtCoder Beginner Contest 227 B","width":"100%","published":"2021-11-18 20:00:51","image_url":"https://cdn-ak.f.st-hatena.com/images/fotolife/i/inamori/20211118/20211118191328.png","provider_url":"https://hatena.blog","description":"https://atcoder.jp/contests/abc227/tasks/abc227_b\u7b2c\u4e00\u611f\u306f\u3001\u3092\u5217\u6319\u3057\u3066set\u306b\u3059\u308b\u3067\u3057\u305f\u3002 def F_naive(S): M = max(S) possible_areas = set(4*a*b + 3*a + 3*b for a in range(1, (M - 3) / 7 + 1) for b in range(1, (M - 3*a) / (4*a + 3) + 1)) return sum(1 for area in S if area not in possible_areas) \u8a08\u7b97\u91cf\u3092\u8abf\u3079\u308b\u305f\u3081\u306bset\u306b\u5165\u308c\u308b\u5024\u306e\u6570\u306e\u30aa\u30fc\u30c0\u30fc\u2026","height":"190","blog_title":"inamori\u2019s diary","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Finamori.hateblo.jp%2Fentry%2F2021%2F11%2F18%2F200051\" title=\"AtCoder Beginner Contest 227 B - inamori\u2019s diary\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","provider_name":"Hatena Blog","author_name":"inamori","url":"https://inamori.hateblo.jp/entry/2021/11/18/200051","author_url":"https://blog.hatena.ne.jp/inamori/","version":"1.0"}