{"type":"rich","author_url":"https://blog.hatena.ne.jp/mmxsrup/","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fmmxsrup.hatenablog.com%2Fentry%2F2016%2F09%2F23%2F204548\" title=\"yukicoder No.66 \u8f1d\u3051\u2606\u5168\u56fd\u305f\u3053\u3084\u304d\u676f - srup\u306e\u30e1\u30e2\u5e33\" 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,"provider_name":"Hatena Blog","author_name":"mmxsrup","blog_title":"srup\u306e\u30e1\u30e2\u5e33","title":"yukicoder No.66 \u8f1d\u3051\u2606\u5168\u56fd\u305f\u3053\u3084\u304d\u676f","width":"100%","published":"2016-09-23 20:45:48","version":"1.0","blog_url":"https://mmxsrup.hatenablog.com/","categories":["yukicoder","\u78ba\u7387dp","\u78ba\u7387"],"provider_url":"https://hatena.blog","height":"190","description":"\u554f\u984c \u554f\u984c\u6982\u8981 \u30c8\u30fc\u30ca\u30e1\u30f3\u30c8\u3067\u52dd\u3061\u9032\u3093\u3067\u3044\u304f\u78ba\u7387\u3002 \u89e3\u6cd5 dp\u3067\u89e3\u3044\u305f\u3002 dp[i][j] := i\u56de\u56de\u76ee\u306e\u8a66\u5408\u306bj\u756a\u76ee\u306e\u3072\u3068\u304c\u52dd\u3064\u78ba\u7387 \u3068\u3057\u3066\u3001\u6f38\u5316\u5f0f\u306b\u305d\u3063\u3066\u3001\u30eb\u30fc\u30d7\u3067\u5024\u3092\u57cb\u3081\u3066\u3044\u304f\u3002\u6f38\u5316\u5f0f\u306f\u7c21\u5358\u3067\u3001 dp[i + 1][x] += dp[i][x] * dp[i][y] * memo[x][y] \u306e\u3088\u3046\u306b\u306a\u308b\u3002\u3053\u308c\u306f\u3001i\u56de\u76ee\u307e\u3067\u3001x\u756a\u76ee\u306e\u4eba\u3068\u3001y\u756a\u76ee\u306e\u4eba\u304c\u52dd\u3061\u4e0a\u304c\u3063\u3066\u3044\u308b\u78ba\u7387\u306b\u3001x\u756a\u76ee\u306e\u4eba\u3068y\u756a\u76ee\u306e\u4eba\u304c\u6226\u3063\u305f\u6642\u306b\u3001x\u756a\u76ee\u306e\u4eba\u304c\u52dd\u3064\u78ba\u7387\u3092\u304b\u3051\u3066\u3044\u308b\u3002\u3053\u308c\u3092i+1\u756a\u76ee\u306bx\u3055\u3093\u304c\u6226\u3046\u53ef\u80fd\u6027\u306e\u3042\u308b\u4eba\u5168\u54e1\u306b\u5bfe\u3057\u3066\u884c\u3044\u3001\u305d\u308c\u3089\u306e\u78ba\u7387\u3092\u5408\u8a08\u3059\u308b\u3053\u3068\u3067\u3001i+1\u756a\u76ee\u306e\u8a66\u5408\u3067\u3001x\u756a\u76ee\u306e\u4eba\u304c\u52dd\u3064\u78ba\u7387\u304c\u308f\u304b\u308b\u3002 \u2026","url":"https://mmxsrup.hatenablog.com/entry/2016/09/23/204548"}