{"id":2651,"date":"2022-04-24T02:41:41","date_gmt":"2022-04-23T17:41:41","guid":{"rendered":"https:\/\/k.foolslab.net\/dailyreport\/?p=2651"},"modified":"2022-04-25T00:10:00","modified_gmt":"2022-04-24T15:10:00","slug":"2022-4-23%e5%9c%9f","status":"publish","type":"post","link":"https:\/\/k.foolslab.net\/dailyreport\/2022-4-23%e5%9c%9f\/","title":{"rendered":"2022\/4\/23(\u571f)"},"content":{"rendered":"\n<p>\u6c17\u6674\u3089\u3057\u306e\u305f\u3081\u306b\u52d5\u7269\u5712\u306b\u884c\u304f\u306a\u3069\u3057\u305f\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<p>\u30b9\u30af\u30ef\u30c3\u30c8\u3092\u3057\u305f\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<p>\u4eca\u65e5\u89e3\u3044\u305f\u7af6\u30d7\u30ed\u306e\u554f\u984c\u3002<\/p>\n\n\n\n<p>\u7af6\u30d7\u30ed\u5178\u578b90\u554f<\/p>\n\n\n\n<p>029 Long Bricks: N\u304c\u30af\u30bd\u30c7\u30ab\u306a\u3089\u5ea7\u5727\u3057\u3066\u3082\u7121\u610f\u5473\u306a\u306e\u3067\u3001\u9045\u5ef6\u30bb\u30b0\u6728\u3092\u4f7f\u3063\u305f\u3002\u9045\u5ef6\u30bb\u30b0\u6728\u306f\u306a\u3093\u3060\u304b\u3093\u3060\u30b9\u30af\u30e9\u30c3\u30c1\u3067\u66f8\u3044\u305f\u3053\u3068\u306f\u306a\u304b\u3063\u305f\u3002\u4e00\u5fdcAC\u3057\u305f\u304c\u30e9\u30a4\u30d6\u30e9\u30ea\u30d0\u30b0\u304c\u306a\u3044\u304b\u4e0d\u5b89\u3002<\/p>\n\n\n\n<p>015 Don&#8217;t be too close: \u524d\u306b\u89e3\u8aac\u8aad\u3093\u3060\u304c\u5206\u304b\u3089\u306a\u304b\u3063\u305f\u306e\u3067\u89e3\u304d\u306a\u304a\u3057\u3002\u8abf\u548c\u95a2\u6570\u304cNlogN\u306b\u306a\u308b\u306e\u306f\u826f\u304f\u3066\u3001\u30b3\u30f3\u30d3\u30cd\u30fc\u30b7\u30e7\u30f3\u306b\u5e30\u7740\u3055\u305b\u308b\u90e8\u5206\u306e\u65b9\u304c\u7406\u89e3\u3067\u304d\u306a\u304b\u3063\u305f\u3002\u3061\u3083\u3093\u3068\u8aad\u3093\u3060\u3089\u5206\u304b\u3063\u305f\u3002\u6559\u80b2\u3092\u610f\u56f3\u3057\u3066\u3044\u308b\u90e8\u5206\u3068\u5225\u306e\u3068\u3053\u308d\u3067\u60a9\u3093\u3067\u308b\u306e\u306f\u3069\u3046\u304b\u3002<\/p>\n\n\n\n<p>ABC248-F: \u524d\u306b\u8003\u5bdf\u3057\u305f\u901a\u308a\u306e\u3084\u308a\u65b9\u3067\u901a\u3063\u305f\u3002\u305f\u3060\u3001\u6dfb\u3048\u5b57\u3068\u304b\u306e\u7d30\u3005\u3068\u3057\u305f\u3068\u3053\u308d\u3092\u8a70\u3081\u308b\u306e\u306b\u6b7b\u306c\u307b\u3069\u624b\u9593\u53d6\u3063\u305f\u3002<\/p>\n\n\n\n<p>ABC243-E: \u89e3\u8aacAC\u3002\u5168\u70b9\u5bfe\u9593\u8ddd\u96e2\u3092\u6301\u3063\u3066\u308b\u306e\u306b\u306a\u305c\u304b\u300c\u3042\u308b\u70b9\u3092\u7d4c\u7531\u3057\u305f\u8ddd\u96e2\u306f\u5206\u304b\u3093\u306a\u3044\u3088\u306d\u30fc\u300d\u3068\u3044\u3046\u652f\u96e2\u6ec5\u88c2\u306a\u601d\u8003\u306b\u306a\u3063\u3066\u304a\u308a\u3001\u89e3\u8aac\u30b3\u30fc\u30c9\u3092\u8aad\u3080\u307e\u3067\u89e3\u6cd5\u306e\u610f\u5473\u304c\u5206\u304b\u3089\u306a\u304b\u3063\u305f\u3002<\/p>\n\n\n\n<p>\u3042\u3068\u3001\u30ef\u30fc\u30b7\u30e3\u30eb\u30d5\u30ed\u30a4\u30c9\u306e\u6dfb\u3048\u5b57\u306e\u9806\u756a\u3092\u30d0\u30b0\u3089\u305b\u305f\u3002kij\u306e\u9806\uff01\u9593\u9055\u3048\u306a\u3044\uff01<\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<p>\u7d041\u5e74\u3076\u308a\u306bABC\u306b\u51fa\u305f\u3002<\/p>\n\n\n\n<p>ABC249<\/p>\n\n\n\n<p>A: X\u304c\u5c0f\u3055\u304f\u3001\u307e\u305f\u6642\u9593\u3082\u6574\u6570\u533a\u5207\u308a\u306a\u306e\u3067\u5341\u5206\u306b\u5168\u6642\u9593\u30b7\u30df\u30e5\u30ec\u30fc\u30c8\u304c\u51fa\u6765\u308b\u3002\u6642\u9593\u3092(A+C)\u3067\u5272\u3063\u305f\u3042\u307e\u308a\u3001\u304a\u3088\u3073(D+F)\u3067\u5272\u3063\u305f\u3042\u307e\u308a\u3092\u6301\u3064\u3068\u697d\u3002\u5909\u6570\u3092\u53d6\u308a\u9055\u3048\u30661WA<\/p>\n\n\n\n<p>B: \u3084\u308b\u3060\u3051<\/p>\n\n\n\n<p>C: bit\u5168\u63a2\u7d22\u3059\u308b\u3060\u3051<\/p>\n\n\n\n<p>D: $A_i=A_jA_k$\u306a\u306e\u3067\u3001hashmap\u306a\u3069\u3067\u5404\u6570\u3054\u3068\u306b\u5b58\u5728\u3059\u308b\u6570\u3092\u6570\u3048\u3066\u304a\u304d\u3001\u7d04\u6570\u5217\u6319\u3057\u3066$A_i$\u306b\u3067\u304d\u308b$A_j,A_k$\u306e\u7d44\u307f\u5408\u308f\u305b\u306e\u6570\u3092\u6570\u3048\u308c\u3070$O(N\\sqrt{N})$\u3067\u89e3\u3051\u308b\u3002\u306a\u3093\u304b\u30bd\u30fc\u30c8\u3057\u3066\u5de5\u592b\u3059\u308c\u3070$O(N\\log N)$\u3067\u51fa\u6765\u308b\u6c17\u304c\u3059\u308b\u304c\u3001\u3053\u306e\u89e3\u304d\u65b9\u304c\u304d\u308c\u3044\u3067\u6c17\u306b\u5165\u3063\u3066\u3044\u308b\u3002\u30aa\u30fc\u30d0\u30fc\u30d5\u30ed\u30fc\u3055\u305b\u30661WA\u3002long long\u3068int\u3092\u4f7f\u3044\u5206\u3051\u308b\u3088\u3046\u306b\u3057\u3066\u307f\u3088\u3046\u304b\u3068\u6700\u8fd1\u601d\u3044\u59cb\u3081\u3066\u3044\u308b\u304c\u3001\u3084\u3063\u3071\u308a\u6ce8\u610f\u529b\u6563\u6f2b\u3060\u3068\u6b7b\u306c\u3002<\/p>\n\n\n\n<p>E: \u6570\u5f0f\u3092\u3053\u306d\u305f\u3089$O(N^3)$\u306eDP\u304c\u51fa\u6765\u305f\u306e\u3067\u3001\u533a\u9593\u66f4\u65b0\u90e8\u5206\u3092\u533a\u9593\u66f4\u65b0BIT\u3084\u53cc\u5bfe\u30bb\u30b0\u6728\u306b\u3057\u3066$O(N^2\\log N)$\u306b\u3057\u3066\u307f\u305f\u304c\u9045\u3059\u304e\u3066\u30c0\u30e1\u3060\u3063\u305f\u3002\u30bb\u30b0\u6728\u306e\u982d\u306b\u306a\u308b\u3068\u5358\u7d14\u306a\u7d2f\u7a4d\u548c\u304c\u982d\u304b\u3089\u629c\u3051\u308b\u3053\u3068\u304c\u77e5\u3089\u308c\u3066\u3044\u308b\u3002<\/p>\n\n\n\n<p>\u624b\u524d\u306e\u30bb\u30b0\u6728\u304c\u9045\u3044\u306e\u3067\u306f\u3068\u3044\u3046\u8a71\u3082\u3042\u308a\u3001\u975e\u518d\u5e30\u30bb\u30b0\u6728\u306b\u3057\u305f\u65b9\u304c\u3044\u3044\u306e\u304b\u306a\u3069\u3068\u3082\u8003\u3048\u3066\u3044\u308b\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<p>ABC\u5f8c\u306e\u611f\u60f3\u6226\u306e\u3088\u3046\u306a\u3053\u3068\u3092\u3057\u3066\u3044\u305f\u3089\u3042\u3063\u3068\u3044\u3046\u9593\u306b\u3059\u3054\u3044\u6642\u9593\u306b\u306a\u3063\u305f\u3002\u3084\u306f\u308a\u7af6\u30d7\u30ed\u3068\u898f\u5247\u6b63\u3057\u3044\u751f\u6d3b\u306f\u4e21\u7acb\u3057\u3065\u3089\u3044\u3082\u306e\u3092\u611f\u3058\u308b\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6c17\u6674\u3089\u3057\u306e\u305f\u3081\u306b\u52d5\u7269\u5712\u306b\u884c\u304f\u306a\u3069\u3057\u305f\u3002 \u30b9\u30af\u30ef\u30c3\u30c8\u3092\u3057\u305f\u3002 \u4eca\u65e5\u89e3\u3044\u305f\u7af6\u30d7\u30ed\u306e\u554f\u984c\u3002 \u7af6\u30d7\u30ed\u5178\u578b90\u554f 029 Long Bricks: N\u304c\u30af\u30bd\u30c7\u30ab\u306a\u3089\u5ea7\u5727\u3057\u3066\u3082\u7121\u610f\u5473\u306a\u306e\u3067\u3001\u9045\u5ef6\u30bb\u30b0\u6728\u3092\u4f7f\u3063\u305f\u3002\u9045\u5ef6\u30bb\u30b0\u6728\u306f\u306a\u3093\u3060\u304b\u3093 &hellip; <\/p>\n<div><a href=\"https:\/\/k.foolslab.net\/dailyreport\/2022-4-23%e5%9c%9f\/\" class=\"more\">Read more &raquo;<span class=\"screen-reader-text\"> &#8220;2022\/4\/23(\u571f)&#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-2651","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/k.foolslab.net\/dailyreport\/wp-json\/wp\/v2\/posts\/2651","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=2651"}],"version-history":[{"count":5,"href":"https:\/\/k.foolslab.net\/dailyreport\/wp-json\/wp\/v2\/posts\/2651\/revisions"}],"predecessor-version":[{"id":2663,"href":"https:\/\/k.foolslab.net\/dailyreport\/wp-json\/wp\/v2\/posts\/2651\/revisions\/2663"}],"wp:attachment":[{"href":"https:\/\/k.foolslab.net\/dailyreport\/wp-json\/wp\/v2\/media?parent=2651"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/k.foolslab.net\/dailyreport\/wp-json\/wp\/v2\/categories?post=2651"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/k.foolslab.net\/dailyreport\/wp-json\/wp\/v2\/tags?post=2651"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}