{"id":2957,"date":"2022-06-17T02:41:18","date_gmt":"2022-06-16T17:41:18","guid":{"rendered":"https:\/\/k.foolslab.net\/dailyreport\/?p=2957"},"modified":"2022-06-17T02:41:18","modified_gmt":"2022-06-16T17:41:18","slug":"2022-6-16","status":"publish","type":"post","link":"https:\/\/k.foolslab.net\/dailyreport\/2022-6-16\/","title":{"rendered":"2022\/6\/16(\u6728)"},"content":{"rendered":"\n<p>\u4eca\u65e5\u89e3\u3044\u305f\u7af6\u30d7\u30ed\u306e\u554f\u984c\u3002<\/p>\n\n\n\n<p>ABC224-E: \u89e3\u8aacAC\u3002\u81ea\u529b\u3067\u304b\u306a\u308a\u305d\u308c\u3063\u307d\u3044\u89e3\u6cd5\u307e\u3067\u884c\u3063\u305f\u306e\u3060\u304c\u3001\u306a\u305c\u304b1WA\u304c\u53d6\u308c\u305a\u3001\u304b\u306a\u308a\u60a9\u3093\u3060\u7d50\u679c\u30b3\u30fc\u30ca\u30fc\u30b1\u30fc\u30b9\u306b\u6c17\u4ed8\u3051\u305f\u3002<\/p>\n\n\n\n<p><a href=\"https:\/\/atcoder.jp\/contests\/abc224\/submissions\/32494169\">https:\/\/atcoder.jp\/contests\/abc224\/submissions\/32494169<\/a><\/p>\n\n\n\n<p>DAG\u3092\u69cb\u7bc9\u3057\u3066dfs\u3059\u308b\u5618\u89e3\u6cd5\u3002\u3042\u308b\u30de\u30b9\u304b\u3089\u66f8\u304b\u308c\u3066\u3044\u308b\u6570\u304c\u3088\u308a\u5927\u304d\u3044\u5168\u3066\u306e\u30de\u30b9\u306b\u8fba\u3092\u8cbc\u308b\u3068$\\Theta (N^2)$\u3067TLE\u3059\u308b\u306e\u3067\u3001\u66f8\u304b\u308c\u3066\u3044\u308b\u6570\u304c\u3088\u308a\u5927\u304d\u3044\u30de\u30b9\u306e\u4e2d\u3067\u66f8\u304b\u308c\u3066\u3044\u308b\u6570\u304c\u6700\u3082\u5c0f\u3055\u3044\u30de\u30b9\u4e00\u3064\u306b\u8fba\u3092\u8cbc\u3063\u3066\u3044\u308b\u3002\u3057\u304b\u3057\u3053\u308c\u3067\u306f\u3060\u3081\u3067\u3001\u305d\u306e\u3088\u3046\u306a\u30de\u30b9\u306f\u8907\u6570\u3042\u308a\u5f97\u308b\u3002\u305d\u306e\u4e2d\u306e1\u3064\u3060\u3051\u306b\u8fba\u3092\u5f35\u3063\u3066\u3082(\u904b\u6b21\u7b2c\u3067)WA\u306b\u306a\u3063\u3066\u3057\u307e\u3046\u3002\u4f8b\u3048\u3070\u4ee5\u4e0b\u306e\u30b1\u30fc\u30b9\u3067\u843d\u3061\u308b\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>2 3 4\n1 1 1\n1 3 5\n1 2 5\n2 2 10<\/code><\/pre>\n\n\n\n<p>\u306a\u304a\u5f35\u308b\u3079\u304d\u5168\u3066\u306e\u8fba\u3092\u5f35\u308c\u3070\u304a\u305d\u3089\u304fTLE\u306b\u306a\u308b\u306e\u3067\u3001\u3053\u306e\u89e3\u6cd5\u306f\u672c\u8cea\u7684\u306b\u7121\u7406\u304c\u3042\u308b\u3002(\u4f8b: \u540c\u3058\u5217\u306bA=1\u306a\u308b\u30de\u30b9\u304cN\/2\u500b\u3068A=2\u306a\u308b\u30de\u30b9\u304cN\/2\u500b\u4e26\u3093\u3067\u3044\u308b\u5834\u5408)<\/p>\n\n\n\n<p>\u306a\u304a\u89e3\u8aac\u901a\u308a\u306e\u89e3\u6cd5\u306e\u5b9f\u88c5\u306f\u3059\u3093\u306a\u308a\u901a\u3063\u305f\u3002<\/p>\n\n\n\n<p>ABC227-D: \u89e3\u8aacAC\u3002\u6c7a\u3081\u6253\u3061\u4e8c\u5206\u63a2\u7d22\u306b\u898b\u3048\u306a\u304b\u3063\u305f\u2026\u8a00\u308f\u308c\u3066\u307f\u308c\u3070\u660e\u3089\u304b\u306b\u4e8c\u5206\u63a2\u7d22\u306e\u53ef\u80fd\u6027\u304c\u3042\u308b\u5f62\u5f0f\u3067\u306f\u3042\u308b\u3002\u3057\u304b\u3057\u6c17\u3065\u3044\u305f\u3068\u3053\u308d\u3067\u6c7a\u3081\u6253\u3061\u5224\u5b9a\u306e\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3092\u601d\u3044\u3064\u3051\u3066\u3044\u305f\u304b\u3069\u3046\u304b\u306f\u5fae\u5999\u3002<\/p>\n\n\n\n<p>\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u6570\u3092$P$\u3068\u3059\u308b\u3068$P\\times K$\u4eba\u306f\u660e\u3089\u304b\u306b\u5fc5\u8981\u3002$P$\u4eba\u4ee5\u4e0a\u306e\u90e8\u7f72\u304c$K$\u500b\u4ee5\u4e0a\u3042\u308c\u3070\u660e\u3089\u304b\u306b\u53ef\u80fd\u3060\u3057\u3001\u5168\u4f53\u306e\u4eba\u6570\u304c$P\\times K$\u4eba\u672a\u6e80\u306a\u3089\u3070\u660e\u3089\u304b\u306b\u4e0d\u53ef\u80fd\u3002\u554f\u984c\u306f\u305d\u306e\u4e2d\u9593\u3067\u3001\u4eba\u6570\u306f\u8db3\u308a\u3066\u3044\u308b\u304c\u3042\u308b\u90e8\u7f72\u306b\u96c6\u4e2d\u3057\u3066\u3044\u308b\u3068\u3044\u3063\u305f\u5834\u5408\u3002<\/p>\n\n\n\n<p>\u307e\u3060\u601d\u3044\u3064\u304f\u9053\u7b4b\u304c\u601d\u3044\u3064\u3051\u3066\u3044\u306a\u3044\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p>\u9152\u4e95\u9806\u5b50\u300c\u7537\u5c0a\u5973\u5b50\u300d\u3092\u8aad\u307f\u9032\u3081\u305f\u3002<\/p>\n\n\n\n<p>\u30ab\u30de\u30c8\u30c8\u3068\u3044\u3046\u3082\u306e\u306f\u6982\u5ff5\u3068\u3057\u3066\u306f\u77e5\u3063\u3066\u308b\u3051\u3069\u3061\u3083\u3093\u3068\u8a8d\u8b58\u3057\u305f\u3053\u3068\u306a\u3044\u306a\u3002\u7537\u3067\u3042\u308b\u81ea\u5206\u306e\u76ee\u304c\u7bc0\u7a74\u306a\u306e\u304b\u3082\u3057\u308c\u3093\u304c\u3001\u5973\u5b50\u306e\u30ab\u30de\u30c8\u30c8\u306b\u5bfe\u3057\u3066\u3060\u3051\u3067\u306a\u304f\u4e16\u306e\u4e2d\u5168\u4f53\u306b\u5bfe\u3057\u3066\u7bc0\u7a74\u306a\u9762\u304c\u3042\u308b\u306e\u3067\u3001\u81ea\u5206\u304c\u7537\u7279\u6709\u306e\u611f\u899a\u3068\u3044\u3046\u3082\u306e\u306e\u53c2\u8003\u4f8b\u306b\u306a\u308b\u304b\u3069\u3046\u304b\u306f\u5927\u5206\u602a\u3057\u3044\u3002<\/p>\n\n\n\n<p>\u982d\u3092\u3088\u304f\u898b\u305b\u308b\u306e\u3068\u982d\u3092\u60aa\u304f\u898b\u305b\u308b\u4e8c\u8ef8\u3067\u751f\u304d\u308b\u306e\u306f\u9762\u5012\u305d\u3046\u3060\u306a\uff5e\u3068\u601d\u3044\u3064\u3064\u3001\u30ab\u30de\u30c8\u30c8\u3092\u9b31\u9676\u3057\u304f\u601d\u3063\u3066\u3044\u305f\u7b46\u8005\u304c\u300c\u5b9f\u969b\u306b\u30ab\u30de\u30c8\u30c8\u3092\u3084\u3063\u3066\u307f\u3066\u7537\u5b50\u304c\u5f15\u3063\u304b\u304b\u3063\u3066\u307f\u308b\u3068\u5feb\u611f\u304c\u3042\u308b\u300d\u3068\u8a18\u8ff0\u3057\u3066\u3044\u308b\u306e\u306b\u306f\u8208\u5473\u6df1\u304f\u611f\u3058\u305f\u3002\u3053\u306e\u7b46\u8005\u306f\u5973\u6027\u306e\u7406\u5c48\u306b\u67d3\u307e\u3089\u306a\u3044\u3067\u3044\u3064\u3064\u5973\u6027\u306e\u5fc3\u306b\u8d77\u3053\u308b\u73fe\u8c61\u3092\u660e\u77ad\u306b\u8a18\u8ff0\u3057\u3066\u304f\u308c\u308b\u306e\u3067\u3001\u7537\u76ee\u7dda\u3060\u3068\u975e\u5e38\u306b\u826f\u3044\u7406\u89e3\u306e\u52a9\u3051\u306b\u306a\u308b\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p>\u5e72\u5b9d\u300c\u635c\u795e\u8a18\u300d\u3092\u8aad\u307f\u9032\u3081\u305f\u3002\u5dfb\u4e0028~31\u3002\u4e0d\u601d\u8b70\u306a\u5973\u6027\u306e\u8a71\u304c\u4f55\u7bc7\u304b\u3002<\/p>\n\n\n\n<p>28\u300c\u8463\u6c38\u3068\u305d\u306e\u59bb\u300d\u304c\u3061\u3087\u3063\u3068\u6c17\u306b\u5165\u3063\u305f\u3002\u4e3b\u4eba\u8056\u4eba\u3058\u3083\u3093\u3002\u3067\u3082\u5974\u96b7\u306f\u8cb7\u3063\u3066\u308b\u3093\u3060\u3088\u306a\u2026(\u6642\u4ee3\u67c4\u5f53\u305f\u308a\u524d\u3060\u304c)<\/p>\n\n\n\n<p>31\u300c\u6210\u516c\u667a\u74ca\u300d\u306b\u51fa\u3066\u304f\u308b\u667a\u74ca\u304c\u3061\u3087\u3063\u3068\u9762\u767d\u304b\u3063\u305f\u3002\u4e0d\u601d\u8b70\u306a\u5973\u304c\u8a2a\u306d\u3066\u304d\u3066\u300c\u3042\u306a\u305f\u306e\u59bb\u306b\u306a\u308a\u306b\u6765\u307e\u3057\u305f\u300d\u307e\u3067\u306f\u6614\u8a71\u3042\u308b\u3042\u308b\u3060\u304c\u3001\u300c\u6069\u304c\u3042\u3063\u3066\u3068\u304b\u305d\u3046\u3044\u3046\u306e\u3058\u3083\u306a\u304f\u3066\u305d\u3046\u3044\u3046\u904b\u547d\u306a\u306e\u3067\u6765\u307e\u3057\u305f\u300d\u300c\u81ea\u5206\u306f\u795e\u5973\u306a\u306e\u3067\u5b50\u4f9b\u306f\u7523\u3081\u307e\u305b\u3093\u300d\u300c(\u795e\u5973\u3060\u304b\u3089\u5ac9\u59ac\u3068\u304b\u7121\u3044\u306e\u3067)\u3042\u306a\u305f\u304c\u4ed6\u306e\u5973\u6027\u3092\u3055\u3089\u306b\u59bb\u306b\u3057\u3066\u3082\u554f\u984c\u3042\u308a\u307e\u305b\u3093\u300d\u3068\u304b\u8a00\u3046\u3068\u3053\u308d\u304c\u73cd\u5947\u306b\u611f\u3058\u305f\u3002\u6b63\u4f53\u3092\u3079\u3089\u3079\u3089\u8a71\u3059\u306e\u3082\u3061\u3087\u3063\u3068\u30c6\u30f3\u30d7\u30ec\u304b\u3089\u5916\u308c\u3066\u3044\u3066\u9762\u767d\u3044\u3057\u300c\u6069\u3068\u304b\u305d\u3046\u3044\u3046\u306e\u3067\u306f\u306a\u3044\u300d\u3068\u3044\u3046\u306e\u3082\uff71\uff6f\uff8a\uff72\u3068\u3057\u304b\u8a00\u3044\u3088\u3046\u304c\u306a\u304f\u3066\u3061\u3087\u3063\u3068\u6ed1\u7a3d\u3067\u9762\u767d\u3044\u3057\u3001\u4ed6\u306e\u5973\u306e\u4eba\u3068\u7d50\u5a5a\u3057\u3066\u3082\u3044\u3044\u3068\u3044\u3046\u306e\u304c\u306a\u304b\u306a\u304b\u805e\u304b\u306a\u3044\u8a71\u3060\u3002\u59bb\u306b\u306a\u308b\u3051\u3069\u5b50\u4f9b\u306f\u7523\u3081\u307e\u305b\u3093\u3001\u3092\u30c7\u30e1\u30ea\u30c3\u30c8\u306b\u3057\u306a\u3044\u305f\u3081\u3068\u3044\u3046\u3088\u3046\u306a\u6c17\u3082\u3059\u308b\u3002<\/p>\n\n\n\n<p>\u3068\u3044\u3046\u304b\u524d\u63d0\u30eb\u30fc\u30eb\u3092\u3081\u3063\u3061\u3083\u7d30\u304b\u304f\u8a71\u3059\u306e\u304c\u666e\u901a\u306b\u9762\u767d\u3044\u3093\u3060\u3088\u306a\u3002<\/p>\n\n\n\n<hr 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