{"id":3828,"date":"2022-12-15T02:10:59","date_gmt":"2022-12-14T17:10:59","guid":{"rendered":"https:\/\/k.foolslab.net\/dailyreport\/?p=3828"},"modified":"2022-12-15T02:10:59","modified_gmt":"2022-12-14T17:10:59","slug":"2022-12-14","status":"publish","type":"post","link":"https:\/\/k.foolslab.net\/dailyreport\/2022-12-14\/","title":{"rendered":"2022\/12\/14(\u6c34)"},"content":{"rendered":"\n<p>\u865a\u7121\u306e\u4e00\u65e5\u3092\u904e\u3054\u3057\u305f\u3002\u8d77\u304d\u305f\u3089\u663c\u3060\u3063\u305f\u3057\u3001\u6c17\u4ed8\u3044\u305f\u3089\u5915\u65b9\u3060\u3063\u305f\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p>\u4eca\u65e5\u89e3\u3044\u305f\u7af6\u30d7\u30ed\u306e\u554f\u984c\u3002<\/p>\n\n\n\n<p>ABC217-F: \u306a\u3093\u3068\u304b\u81ea\u529bAC\u3002\u4e00\u5fdc\u533a\u9593DP\u3068\u547c\u3070\u308b\u308b\u3082\u306e\u3060\u308d\u3046\u304b\u3002<\/p>\n\n\n\n<p>\u307e\u305a\u5358\u7d14\u306b$dp[L][R]:=(\u533a\u9593[L,R]\u306e\u751f\u5f92\u3092\u5168\u3066\u5217\u304b\u3089\u629c\u304f\u64cd\u4f5c\u65b9\u6cd5\u306e\u6570)$\u3068\u3057\u3066\u8a08\u7b97\u3057\u3066\u3044\u304f\u3053\u3068\u3092\u8003\u3048\u3066\u307f\u308b\u3002\u533a\u9593$[L,R]$\u3092\u5168\u3066\u629c\u304d\u3068\u308b\u306b\u306f\u300c\u533a\u9593$[L+1,R-1]$\u304c\u5168\u3066\u629c\u3051\u3066\u308b\u5834\u5408\u306b\u3055\u3089\u306b1\u30da\u30a2\u629c\u304d\u53d6\u308b\u300d\u5834\u5408\u3068\u300c\u533a\u9593$[L,M]$\u3068$[M,R]$\u306b\u5206\u5272\u3057\u3066\u305d\u308c\u305e\u308c\u3067\u5168\u3066\u629c\u304d\u53d6\u308b\u300d\u3068\u3044\u3046\u4e8c\u3064\u306e\u5834\u5408\u304c\u3042\u308a\u5f97\u308b\u3002<\/p>\n\n\n\n<p>1\u30da\u30a2\u629c\u304d\u53d6\u308b\u65b9\u306f\u7c21\u5358\u3060\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u751f\u5f92L\u3068\u751f\u5f92R\u306e\u4ef2\u304c\u826f\u3044\u5834\u5408\u306f$dp[L][R]$\u306b$dp[L+1][R-1]$\u3092\u8db3\u3059<\/li>\n<\/ul>\n\n\n\n<p>\u3053\u308c\u306f\u826f\u3044\u304c\u3001\u533a\u9593$[L,R]$\u3092\u5206\u5272\u3059\u308b\u5834\u5408\u304c\u5384\u4ecb\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5168\u3066\u306e$L&lt;M&lt;R$\u306b\u3064\u3044\u3066$dp[L][R]$\u306b$dp[L][M]\\times dp[M][R]\\times _{(R-L)\/2}C_{(M-L)\/2}$\u3092\u8db3\u3059<\/li>\n<\/ul>\n\n\n\n<p>\u3053\u308c\u3060\u3068\u91cd\u8907\u3057\u3066\u6570\u3048\u3066\u3057\u307e\u3046\u3002\u4f8b\u3048\u3070\u533a\u9593A,B,C\u3068\u4e26\u3093\u3067\u3044\u305f\u5834\u5408\u306b\u3001A\u2192B\u2192C\u3092(A\u2192B)\u2192(C)\u3068(A)\u2192(B\u2192C)\u3068\u91cd\u8907\u3057\u3066\u6570\u3048\u3066\u3057\u307e\u3046\u3002<\/p>\n\n\n\n<p>\u305d\u3053\u3067\u3001\u300c2\u3064\u4ee5\u4e0a\u306b\u5206\u5272\u53ef\u80fd\u306a\u533a\u9593\u300d\u3068\u300c\u5206\u5272\u4e0d\u53ef\u80fd\u306a\u533a\u9593\u300d\u306e\u4e8c\u3064\u306b\u5206\u3051\u3066\u8003\u3048\u308b\u3002<\/p>\n\n\n\n<p>$dp[L][R][D]:=(\u533a\u9593[L,R]\u306e\u751f\u5f92\u3092\u5168\u3066\u5217\u304b\u3089\u629c\u304f\u64cd\u4f5c\u65b9\u6cd5\u3067\u3042\u3063\u3066\u3001D=0\u306a\u3089\u5206\u5272\u4e0d\u53ef\u80fd\/D=1\u306a\u3089\u5206\u5272\u53ef\u80fd\u306a\u3082\u306e\u306e\u6570)$<\/p>\n\n\n\n<p>\u3053\u306e\u3088\u3046\u306b\u3059\u308b\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5168\u3066\u306e$L&lt;M&lt;R$\u304a\u3088\u3073$D=0,1$\u306b\u3064\u3044\u3066$dp[L][R][1]$\u306b$dp[L][M][D]\\times dp[M][R][0]\\times _{(R-L)\/2}C_{(M-L)\/2}$\u3092\u8db3\u3059<\/li>\n<\/ul>\n\n\n\n<p>\u3053\u3046\u3059\u308c\u3070\u300c\u5206\u5272\u4e0d\u53ef\u80fd\u306a\u533a\u9593\u30921\u3064\u3065\u3064\u8db3\u3057\u7d9a\u3051\u308b\u300d\u3068\u3044\u3046\u5f62\u3092\u4fdd\u3064\u3053\u3068\u304c\u3067\u304d\u3001\u540c\u3058\u5206\u5272\u3092\u4e8c\u5ea6\u6570\u3048\u308b\u5fc3\u914d\u304c\u306a\u304f\u306a\u308b\u3002<\/p>\n\n\n\n<p>\u533a\u9593DP\u3059\u308b\u3060\u3051\u304b\u3068\u601d\u3044\u304d\u3084\u3001\u3061\u3087\u3063\u3068\u8003\u5bdf\u304c\u5fc5\u8981\u306a\u554f\u984c\u3060\u3063\u305f\u3002\u5358\u306b\u81ea\u5206\u304c\u6163\u308c\u3066\u3044\u306a\u3044\u30bf\u30a4\u30d7\u3068\u3044\u3046\u3060\u3051\u304b\u3082\u3057\u308c\u306a\u3044\u304c\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u865a\u7121\u306e\u4e00\u65e5\u3092\u904e\u3054\u3057\u305f\u3002\u8d77\u304d\u305f\u3089\u663c\u3060\u3063\u305f\u3057\u3001\u6c17\u4ed8\u3044\u305f\u3089\u5915\u65b9\u3060\u3063\u305f\u3002 \u4eca\u65e5\u89e3\u3044\u305f\u7af6\u30d7\u30ed\u306e\u554f\u984c\u3002 ABC217-F: \u306a\u3093\u3068\u304b\u81ea\u529bAC\u3002\u4e00\u5fdc\u533a\u9593DP\u3068\u547c\u3070\u308b\u308b\u3082\u306e\u3060\u308d\u3046\u304b\u3002 \u307e\u305a\u5358\u7d14\u306b$dp[L][R]:=(\u533a\u9593[L,R]\u306e\u751f &hellip; <\/p>\n<div><a href=\"https:\/\/k.foolslab.net\/dailyreport\/2022-12-14\/\" class=\"more\">Read more &raquo;<span class=\"screen-reader-text\"> &#8220;2022\/12\/14(\u6c34)&#8221;<\/span><\/a><\/div>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-3828","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/k.foolslab.net\/dailyreport\/wp-json\/wp\/v2\/posts\/3828","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/k.foolslab.net\/dailyreport\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/k.foolslab.net\/dailyreport\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/k.foolslab.net\/dailyreport\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/k.foolslab.net\/dailyreport\/wp-json\/wp\/v2\/comments?post=3828"}],"version-history":[{"count":2,"href":"https:\/\/k.foolslab.net\/dailyreport\/wp-json\/wp\/v2\/posts\/3828\/revisions"}],"predecessor-version":[{"id":3830,"href":"https:\/\/k.foolslab.net\/dailyreport\/wp-json\/wp\/v2\/posts\/3828\/revisions\/3830"}],"wp:attachment":[{"href":"https:\/\/k.foolslab.net\/dailyreport\/wp-json\/wp\/v2\/media?parent=3828"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/k.foolslab.net\/dailyreport\/wp-json\/wp\/v2\/categories?post=3828"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/k.foolslab.net\/dailyreport\/wp-json\/wp\/v2\/tags?post=3828"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}