{"id":72,"date":"2022-12-14T13:06:09","date_gmt":"2022-12-14T05:06:09","guid":{"rendered":"https:\/\/www.vcoco.top\/?p=72"},"modified":"2022-12-17T17:01:07","modified_gmt":"2022-12-17T09:01:07","slug":"usaco-%e5%a5%b6%e7%89%9b%e6%85%a2%e8%b7%91","status":"publish","type":"post","link":"https:\/\/www.vcoco.top\/index.php\/2022\/12\/14\/usaco-%e5%a5%b6%e7%89%9b%e6%85%a2%e8%b7%91\/","title":{"rendered":"USACO \u5976\u725b\u6162\u8dd1"},"content":{"rendered":"\n<h3 class=\"wp-block-heading\">\u5355\u8c03\u6808\u505a\u6cd5<\/h3>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p><strong>\u7b97\u6cd5\u601d\u60f3\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5982\u679c\u524d\u4e00\u4e2a\u5934\u725b\u6bd4\u540e\u4e00\u5934\u5feb\uff0c\u90a3\u4e48\u5fc5\u7136\u4f1a\u4e0e\u540e\u4e00\u5934\u540c\u5316<\/li>\n\n\n\n<li>\u5355\u8c03\u6808\u7ef4\u62a4\u4e00\u4e2a\u4e0a\u5347\u7684\u5e8f\u5217\uff0c\u6bcf\u6b21\u679a\u4e3e\u5230\u4e00\u5934\u65b0\u7684\u725b\u5c31\u628a\u6808\u4e2d\u6bd4\u5b83\u901f\u5ea6\u5feb\u7684\u5168\u90e8\u5f39\u51fa\uff0c\u6bcf\u5934\u725b\u6700\u591a\u88ab\u5f39\u51fa1\u6b21<\/li>\n\n\n\n<li>\u6700\u7ec8\u6808\u4e2d\u7684\u5143\u7d20\u6570\u91cf\u5c31\u662f\u7b54\u6848<\/li>\n<\/ul>\n\n\n\n<p>\u65f6\u95f4\u590d\u6742\u5ea6\uff1a$O(n)$<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p>\u5728\u7ebf\u505a\u6cd5<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>#include &lt;iostream&gt;\n\nusing namespace std;\n\nconst int N = 100010;\n\nint n;\nint q&#91;N];\n\nint main()\n{\n    cin&gt;&gt;n;\n    int hh=0,tt=-1;\n    for(int i=0;i&lt;n;i++)\n    {\n        int a,b; cin&gt;&gt;a&gt;&gt;b;\n        while(hh&lt;=tt&amp;&amp;q&#91;tt]&gt;b) tt--;\n        q&#91;++tt]=b;\n    }\n\n    cout&lt;&lt;tt+1&lt;&lt;endl;\n\n    return 0;\n}<\/code><\/pre>\n\n\n\n<p>\u79bb\u7ebf\u505a\u6cd5<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>#include &lt;iostream&gt;\n#include &lt;cstring&gt;\n#include &lt;algorithm&gt;\n\nusing namespace std;\n\nconst int N = 100010;\n\nint n;\nint q&#91;N], g&#91;N];\n\nint main()\n{\n    cin&gt;&gt;n;\n    for(int i=0;i&lt;n;i++)\n    {\n        int a,b; cin&gt;&gt;a&gt;&gt;b;\n        g&#91;i]=b;\n    }\n\n    int hh=0,tt=-1;\n    for(int i=0;i&lt;n;i++)\n    {\n        while(hh&lt;=tt&amp;&amp;q&#91;tt]&gt;g&#91;i]) tt--;\n        q&#91;++tt]=g&#91;i];\n    }\n\n    cout&lt;&lt;tt+1&lt;&lt;endl;\n\n    return 0;\n}<\/code><\/pre>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5355\u8c03\u6808\u505a\u6cd5 \u7b97\u6cd5\u601d\u60f3\uff1a \u65f6\u95f4\u590d\u6742\u5ea6\uff1a$O(n)$ \u5728\u7ebf\u505a\u6cd5 \u79bb\u7ebf\u505a\u6cd5<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[13],"tags":[52,53],"class_list":["post-72","post","type-post","status-publish","format-standard","hentry","category-mess","tag-usaco-2014-december-contest-bronze","tag-53"],"_links":{"self":[{"href":"https:\/\/www.vcoco.top\/index.php\/wp-json\/wp\/v2\/posts\/72","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.vcoco.top\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.vcoco.top\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.vcoco.top\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.vcoco.top\/index.php\/wp-json\/wp\/v2\/comments?post=72"}],"version-history":[{"count":4,"href":"https:\/\/www.vcoco.top\/index.php\/wp-json\/wp\/v2\/posts\/72\/revisions"}],"predecessor-version":[{"id":104,"href":"https:\/\/www.vcoco.top\/index.php\/wp-json\/wp\/v2\/posts\/72\/revisions\/104"}],"wp:attachment":[{"href":"https:\/\/www.vcoco.top\/index.php\/wp-json\/wp\/v2\/media?parent=72"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vcoco.top\/index.php\/wp-json\/wp\/v2\/categories?post=72"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vcoco.top\/index.php\/wp-json\/wp\/v2\/tags?post=72"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}