{"author_name":"mayokoex","url":"https://mayokoex.hatenablog.com/entry/2016/01/30/110508","title":"yukicoder No.340 \u96ea\u306e\u8db3\u8de1","published":"2016-01-30 11:05:08","height":"190","type":"rich","version":"1.0","description":"\u554f\u984c No.340 \u96ea\u306e\u8db3\u8de1 - yukicoder \u89e3\u6cd5 \u3042\u308b\u9802\u70b9\u304b\u3089\u9032\u3080\u3053\u3068\u306e\u3067\u304d\u308b\u65b9\u5411\u306b\u5236\u9650\u304c\u3067\u304d\u308b\u306e\u3067, \u305d\u308c\u3092\u57fa\u306b\u5e45\u512a\u5148\u63a2\u7d22\u3059\u308b\u306e\u304c\u57fa\u672c\u3067\u3059\u3002\u305f\u3060, \u9032\u3080\u3053\u3068\u306e\u51fa\u6765\u308b\u65b9\u5411\u3092\u611a\u76f4\u306b\u6c7a\u5b9a\u3059\u308b\u3068 \u304b\u3089 \u306e\u9593\u3067, \u9032\u3080\u65b9\u5411\u3092\u30e1\u30e2\u3059\u308b\u306e\u306b\u6700\u60aa O(W) (O(H)) \u304b\u304b\u3063\u3066, \u5165\u529b\u306b\u73fe\u308c\u308b \u306f O(NM) \u3060\u3051\u3042\u308b\u306e\u3067, \u6642\u9593\u5236\u9650\u306b\u9593\u306b\u5408\u3044\u307e\u305b\u3093\u3002\u60f3\u5b9a\u89e3\u3067\u306f, \u3053\u308c\u3092\u89e3\u6c7a\u3059\u308b\u305f\u3081\u306b\u3044\u3082\u3059\u6cd5\u3092\u4f7f\u3063\u3066\u3044\u307e\u3059\u304c, \u5c11\u3057\u5225\u306e\u65b9\u6cd5\u3067\u3084\u308a\u307e\u3057\u305f\u3002migi[y][x] = (\u9802\u70b9 (y, x) \u304b\u3089\u53f3\u5074\u306b\u3069\u308c\u3060\u3051\u3044\u3051\u308b\u304b) \u3068\u3044\u3046\u306e\u3092\u8003\u3048\u307e\u3059\u3002\u5165\u529b\u304c\u306a\u306b\u3082\u306a\u3044\u72b6\u614b\u3067\u306f, migi[y][x] = x \u3067\u3059\u2026","width":"100%","image_url":null,"categories":["yukicoder"],"provider_url":"https://hatena.blog","author_url":"https://blog.hatena.ne.jp/mayokoex/","provider_name":"Hatena Blog","blog_url":"https://mayokoex.hatenablog.com/","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fmayokoex.hatenablog.com%2Fentry%2F2016%2F01%2F30%2F110508\" title=\"yukicoder No.340 \u96ea\u306e\u8db3\u8de1 - mayoko\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>","blog_title":"mayoko\u2019s diary"}