{"author_url":"https://blog.hatena.ne.jp/parukii/","title":"C: \u86cd\u5149\u706f | AtCoder Regular Contest 026","version":"1.0","categories":["RMQ","\u30bb\u30b0\u30e1\u30f3\u30c8\u6728","DP"],"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fpar.hateblo.jp%2Fentry%2F2017%2F09%2F12%2F132326\" title=\"C: \u86cd\u5149\u706f | AtCoder Regular Contest 026 - paruki\u306e\u30d6\u30ed\u30b0\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","description":"\u86cd\u5149\u706f\u304c\u9014\u5207\u308c\u305a\u306b\u7167\u3089\u3057\u3066\u3044\u308b\u7bc4\u56f2\u3092\u5de6\u7aef\u304b\u3089\u53f3\u7aef\u3078\u4f38\u3070\u3057\u3066\u3044\u3053\u3046\u3002 \u6700\u9069\u89e3\u3067\u306f\u3001\u624b\u524d\u3067\u4f7f\u3063\u305f\u86cd\u5149\u706f\u3092i\u3001\u6b21\u306e\u86cd\u5149\u706f\u3092j\u3068\u3059\u308b\u3068\u3001l[i]<l[j] \u304c\u6210\u308a\u7acb\u3064\u3002\u306a\u306e\u3067\u3001\u4e8b\u524d\u306b\u86cd\u5149\u706f\u3092l\u306e\u6607\u9806\u306b\u30bd\u30fc\u30c8\u3057\u3066\u304a\u304f\u3002 dp[x] = 0\u304b\u3089x\u307e\u3067\u304c\u9014\u5207\u308c\u305a\u306b\u7167\u3089\u3055\u308c\u3066\u3044\u308b\u3068\u304d\u306e\u6700\u5c0f\u30b3\u30b9\u30c8 \u3068\u3059\u308b\u3002dp[L]\u304c\u89e3\u3002 \u306f\u3058\u3081 dp[0] = 0\u3067\u3042\u308b\u3002 \u86cd\u5149\u706f\u3092\u30bd\u30fc\u30c8\u3055\u308c\u305f\u9806\u306b\u307f\u3088\u3046\u3002\u3044\u307e\u3001i\u756a\u76ee\u306e\u86cd\u5149\u706f\u306e\u4f7f\u7528\u3092\u8003\u308b\u3002dp[r[i]]\u304c\u66f4\u65b0\u3055\u308c\u308b\u304b\u3082\u3057\u308c\u306a\u3044\u3002 \u86cd\u5149\u706f\u306f[l[i], r[i]] \u306e\u7bc4\u56f2\u3092\u7167\u3089\u3059\u306e\u3067\u3001 \u524d\u306e\u7bc4\u56f2 => (\u91cd\u8907) => [l[i], r[i]] \u306e\u3088\u3046\u306b\u306a\u3063\u3066\u3044\u308c\u3070\u3001\u5de6\u7aef\u304b\u3089r\u2026","type":"rich","height":"190","author_name":"parukii","provider_name":"Hatena Blog","published":"2017-09-12 13:23:26","blog_title":"paruki\u306e\u30d6\u30ed\u30b0","provider_url":"https://hatena.blog","url":"https://par.hateblo.jp/entry/2017/09/12/132326","blog_url":"https://par.hateblo.jp/","image_url":null,"width":"100%"}