{"id":4482,"date":"2023-04-23T02:17:41","date_gmt":"2023-04-22T17:17:41","guid":{"rendered":"https:\/\/k.foolslab.net\/dailyreport\/?p=4482"},"modified":"2023-04-23T02:17:41","modified_gmt":"2023-04-22T17:17:41","slug":"2023-4-22","status":"publish","type":"post","link":"https:\/\/k.foolslab.net\/dailyreport\/2023-4-22\/","title":{"rendered":"2023\/4\/22(\u571f)"},"content":{"rendered":"\n

ABC299\u306b\u51fa\u305f\u3002<\/p>\n\n\n\n

A: \u4f4d\u7f6e\u3092\u8a18\u9332\u3057\u3066\u6bd4\u8f03\u3059\u308b\u3060\u3051\u3001\u6700\u8fd1ABC\u3067\u3053\u3093\u306a\u611f\u3058\u306e\u554f\u984c\u3088\u304f\u898b\u308b\u6c17\u304c\u3059\u308b<\/p>\n\n\n\n

B: \u9762\u5012\u3060\u304c\u611a\u76f4\u306b\u3084\u308c\u3070\u3088\u3044<\/p>\n\n\n\n

C: \u30e9\u30f3\u30ec\u30f3\u30b0\u30b9\u5727\u7e2e\u3059\u308c\u3070\u5b9f\u88c5\u697d<\/p>\n\n\n\n

D: \u3061\u3087\u3063\u3068\u5909\u5247\u7684\u306a\u4e8c\u5206\u63a2\u7d22\u554f\u984c\u3002\u767d\u3068\u9ed2\u306e\u5883\u76ee\u306f1\u304b\u6240\u3068\u306f\u9650\u3089\u306a\u3044\u304c\u3001\u300c\u78ba\u8a8d\u3055\u308c\u305f\u4e2d\u3067\u6700\u53f3\u306e\u767d\u300d\u3068\u300c\u78ba\u8a8d\u3055\u308c\u305f\u4e2d\u3067\u6700\u5de6\u306e\u9ed2\u300d\u3092\u8a18\u9332\u3059\u308c\u3070\u305d\u306e\u9593\u306b\u306f\u5fc5\u305a1\u304b\u6240\u4ee5\u4e0a\u306e\u5883\u76ee\u304c\u3042\u308b\u305f\u3081\u3001\u771f\u3093\u4e2d\u306e\u4f4d\u7f6e\u306e\u8272\u3092\u898b\u3066\u4e8c\u5206\u63a2\u7d22\u306e\u8981\u9818\u3067\u8a70\u3081\u3066\u3044\u3051\u3070\u5883\u76ee\u3092\u767a\u898b\u3067\u304d\u308b\u3002<\/p>\n\n\n\n

E: \u5404\u9802\u70b9$p_i$\u304b\u3089\u306e\u5404\u9802\u70b9\u306e\u8ddd\u96e2\u3092BFS\u3067\u6c42\u3081\u308b\u3002$p_i$\u304b\u3089\u8ddd\u96e2$d_i$\u672a\u6e80\u306e\u9802\u70b9\u306f\u9ed2\u3067\u3042\u3063\u3066\u306f\u306a\u3089\u306a\u3044\u3002\u3053\u306e\u5236\u7d04\u3067\u9ed2\u3067\u3042\u3063\u3066\u306f\u306a\u3089\u306a\u3044\u9802\u70b9\u3092\u6c7a\u3081\u3001\u305d\u308c\u4ee5\u5916\u306f\u5168\u3066\u9ed2\u3067\u5857\u308b\u3002$p_i$\u304b\u3089\u8ddd\u96e2$d_i$\u4ee5\u4e0a\u306e\u9802\u70b9\u306f\u5168\u3066\u9ed2\u3067\u3082\u9802\u70b9$p_i$\u306b\u95a2\u3059\u308b\u6761\u4ef6\u306b\u306f\u62b5\u89e6\u3057\u306a\u3044\u304b\u3089\u3060\u3002\u3053\u308c\u3067\u69cb\u7bc9\u3057\u305f\u7d50\u679c\u3092\u691c\u8a3c\u3057\u3066\u307f\u3066\u30c0\u30e1\u306a\u3089No\u3001\u6761\u4ef6\u3092\u6e80\u305f\u3059\u306a\u3089Yes\u306b\u306a\u308b\u3002$O(K(M+N))$\u3067\u89e3\u3051\u308b\u3002<\/p>\n\n\n\n

F: \u5206\u304b\u3089\u305a\u3002\u90e8\u5206\u6587\u5b57\u5217\u306e\u6570\u3092\u6570\u3048\u308bDP\u306f\u77e5\u3063\u3066\u3044\u305f\u306e\u3067\u305d\u306e\u5fdc\u7528\u3060\u308d\u3046\u3068\u306f\u601d\u3063\u305f\u304c\u3001\u89e3\u3051\u306a\u304b\u3063\u305f\u3002<\/p>\n\n\n\n

G: \u3044\u3044\u611f\u3058\u306b\u6bb5\u53d6\u308a\u3092\u8e0f\u3093\u3067\u8a70\u3081\u3066\u89e3\u3051\u305f\u3002F\u306b\u3053\u3060\u308f\u3063\u3066\u3044\u306a\u3051\u308c\u3070\u3082\u3063\u3068\u65e9\u304f\u89e3\u3051\u3066\u3044\u305f\u3068\u601d\u3046\u3002<\/p>\n\n\n\n

\u307e\u305a\u3001$B_1$\u3092\u78ba\u5b9a\u3059\u308b\u3053\u3068\u3092\u8003\u3048\u308b\u3002$A_i$\u3092\u53f3\u304b\u3089\u898b\u3066\u884c\u304d\u30011\uff5eM\u304c\u521d\u3081\u3066\u5168\u3066\u51fa\u305d\u308d\u3063\u305f\u5834\u6240\u3092k\u3068\u3059\u308b\u3002k\u307e\u305f\u306fk\u3088\u308a\u5de6\u306e$A_i$\u306a\u3089\u3070\u3069\u308c\u3067\u3082$B_1$\u306b\u3067\u304d\u308b\u3053\u3068\u304c\u5206\u304b\u308b\u3002\u8f9e\u66f8\u9806\u6700\u5c0f\u3092\u6c42\u3081\u308b\u306e\u3067k\u307e\u305f\u306fk\u3088\u308a\u5de6\u306e$A_i$\u3067\u6700\u3082\u5c0f\u3055\u3044\u3082\u306e\u3092$B_1$\u3068\u3059\u308c\u3070\u3088\u3044\u3002\u307e\u305f\u3001\u540c\u3058\u5024\u306a\u3089\u3070\u51fa\u6765\u308b\u3060\u3051\u5de6\u304b\u3089\u53d6\u3063\u305f\u65b9\u304c$B_2$\u4ee5\u964d\u3092\u9078\u3076\u5e45\u304c\u5e83\u304c\u308b\u306e\u3067\u3067\u304d\u308b\u3060\u3051\u5de6\u3092\u53d6\u308b\u3002<\/p>\n\n\n\n

\u6b21\u306f$B_2$\u3092\u6c7a\u3081\u308b\u3002$A_i$\u3092\u53f3\u304b\u3089\u898b\u3066\u884c\u304d\u3001$B_1$\u3092\u9664\u304f1\uff5eM\u306e\u5024\u304c\u5168\u3066\u51fa\u305d\u308d\u3063\u305f\u5834\u6240\u3092\u518d\u3073k\u3068\u3059\u308b\u3002\u305d\u3057\u3066\u3084\u306f\u308a\u3001k\u307e\u305f\u306fk\u3088\u308a\u5de6\u306e$A_i$\u3067$B_1$\u3092\u9664\u304f\u6700\u3082\u5c0f\u3055\u3044\u3082\u306e\u3092$B_2$\u3068\u3059\u308c\u3070\u3088\u3044\u3002\u4ee5\u964d\u3082\u540c\u69d8\u306e\u624b\u9806\u3067\u9078\u3093\u3067\u3044\u304f\u3053\u3068\u3067\u6700\u5584\u306e$B$\u3092\u69cb\u7bc9\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3002<\/p>\n\n\n\n

\u3053\u308c\u3092\u5358\u7d14\u306b\u5b9f\u88c5\u3059\u308b\u3068\u3001$O(MN)$\u304f\u3089\u3044\u306b\u306a\u3063\u3066\u3057\u307e\u3046\u3002\u305d\u3053\u3067\u3001k\u3092\u6c42\u3081\u308b\u304f\u3060\u308a\u3068k\u307e\u305f\u306fk\u3088\u308a\u5de6\u3067\u6700\u3082\u5c0f\u3055\u3044\u5024\u3092\u898b\u3064\u3051\u308b\u304f\u3060\u308a\u3092\u9ad8\u901f\u5316\u3057\u3066\u3084\u308a\u305f\u3044\u3002<\/p>\n\n\n\n

\u307e\u305ak\u3092\u6c42\u3081\u308b\u304f\u3060\u308a\u30021\uff5eM\u306e\u5404\u6570\u5b57\u306b\u3064\u3044\u3066\u3001\u540c\u3058\u6570\u5b57\u3067\u6700\u3082\u53f3\u306e\u3082\u306e\u306e\u4f4d\u7f6e\u3092set\u306a\u3069\u306b\u8a18\u9332\u3059\u308b\u3002\u305d\u3057\u3066\u305d\u306e\u4e2d\u3067\u4e00\u756a\u5de6\u306e\u3082\u306e\u3092\u898b\u308c\u3070\u3088\u3044\u3002$B_2$\u4ee5\u964d\u3092\u6c42\u3081\u308b\u969b\u306f\u65e2\u306b\u6c7a\u3081\u305f\u6570\u5b57\u306f\u898b\u306a\u304f\u3066\u3088\u3044\u306e\u3067\u3001set\u304b\u3089\u9806\u306b\u305d\u306e\u6570\u5b57\u306e\u6700\u53f3\u4f4d\u7f6e\u3092\u6d88\u3057\u3066\u3044\u3051\u3070\u3088\u3044\u3002<\/p>\n\n\n\n

\u6b21\u306b\u6700\u3082\u5c0f\u3055\u3044$A_i$\u3092\u6c42\u3081\u308b\u304f\u3060\u308a\u3002\u3053\u308c\u306f\u5358\u7d14\u306b\u30bb\u30b0\u6728\u3067\u533a\u9593min\u3092\u3084\u308c\u3070\u3088\u3044\u3002\u540c\u3058\u6570\u5b57\u306a\u3089\u51fa\u6765\u308b\u3060\u3051\u5de6\u304b\u3089\u306a\u306e\u3067\u3001\u30bb\u30b0\u6728\u306b(\u6570\u5024, \u4f4d\u7f6e)\u306e\u7d44\u3092\u4e57\u305b\u3066\u8f9e\u66f8\u5f0f\u3067\u6bd4\u8f03\u3055\u305b\u308b\u3002<\/p>\n\n\n\n

\u3053\u308c\u3067\u5404\u30d1\u30fc\u30c8\u304c$O(\\log N)$\u3067\u6e08\u307f\u3001\u5168\u4f53$O(M\\log N)$\u306b\u306a\u3063\u305f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

ABC299\u306b\u51fa\u305f\u3002 A: \u4f4d\u7f6e\u3092\u8a18\u9332\u3057\u3066\u6bd4\u8f03\u3059\u308b\u3060\u3051\u3001\u6700\u8fd1ABC\u3067\u3053\u3093\u306a\u611f\u3058\u306e\u554f\u984c\u3088\u304f\u898b\u308b\u6c17\u304c\u3059\u308b B: \u9762\u5012\u3060\u304c\u611a\u76f4\u306b\u3084\u308c\u3070\u3088\u3044 C: \u30e9\u30f3\u30ec\u30f3\u30b0\u30b9\u5727\u7e2e\u3059\u308c\u3070\u5b9f\u88c5\u697d D: \u3061\u3087\u3063\u3068\u5909\u5247\u7684\u306a\u4e8c\u5206\u63a2\u7d22\u554f\u984c\u3002\u767d\u3068\u9ed2\u306e\u5883\u76ee\u306f … <\/p>\n

Read more » “2023\/4\/22(\u571f)”<\/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-4482","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/k.foolslab.net\/dailyreport\/wp-json\/wp\/v2\/posts\/4482","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=4482"}],"version-history":[{"count":1,"href":"https:\/\/k.foolslab.net\/dailyreport\/wp-json\/wp\/v2\/posts\/4482\/revisions"}],"predecessor-version":[{"id":4483,"href":"https:\/\/k.foolslab.net\/dailyreport\/wp-json\/wp\/v2\/posts\/4482\/revisions\/4483"}],"wp:attachment":[{"href":"https:\/\/k.foolslab.net\/dailyreport\/wp-json\/wp\/v2\/media?parent=4482"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/k.foolslab.net\/dailyreport\/wp-json\/wp\/v2\/categories?post=4482"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/k.foolslab.net\/dailyreport\/wp-json\/wp\/v2\/tags?post=4482"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}