{"id":440,"date":"2025-09-27T12:11:50","date_gmt":"2025-09-27T12:11:50","guid":{"rendered":"http:\/\/west.wangyuansheng.cn\/?p=440"},"modified":"2025-09-27T12:20:07","modified_gmt":"2025-09-27T12:20:07","slug":"%e5%86%9c%e7%94%b0%e7%81%8c%e6%ba%89","status":"publish","type":"post","link":"http:\/\/west.wangyuansheng.cn\/?p=440","title":{"rendered":"\u519c\u7530\u704c\u6e89"},"content":{"rendered":"\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"957\" height=\"760\" src=\"http:\/\/west.wangyuansheng.cn\/wp-content\/uploads\/2025\/09\/4.jpg\" alt=\"\" class=\"wp-image-444\" srcset=\"http:\/\/west.wangyuansheng.cn\/wp-content\/uploads\/2025\/09\/4.jpg 957w, http:\/\/west.wangyuansheng.cn\/wp-content\/uploads\/2025\/09\/4-300x238.jpg 300w, http:\/\/west.wangyuansheng.cn\/wp-content\/uploads\/2025\/09\/4-768x610.jpg 768w\" sizes=\"auto, (max-width: 957px) 100vw, 957px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"894\" height=\"1024\" src=\"http:\/\/west.wangyuansheng.cn\/wp-content\/uploads\/2025\/09\/5-894x1024.jpg\" alt=\"\" class=\"wp-image-446\" srcset=\"http:\/\/west.wangyuansheng.cn\/wp-content\/uploads\/2025\/09\/5-894x1024.jpg 894w, http:\/\/west.wangyuansheng.cn\/wp-content\/uploads\/2025\/09\/5-262x300.jpg 262w, http:\/\/west.wangyuansheng.cn\/wp-content\/uploads\/2025\/09\/5-768x880.jpg 768w, http:\/\/west.wangyuansheng.cn\/wp-content\/uploads\/2025\/09\/5.jpg 959w\" sizes=\"auto, (max-width: 894px) 100vw, 894px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\u5206\u6790\u95ee\u9898<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u672c\u9898\u8981\u6c42\u8ba1\u7b97\u4e24\u5957\u704c\u6e89\u7cfb\u7edf\u540c\u65f6\u5de5\u4f5c\u7684\u65f6\u95f4\u6bb5\u3002\u6bcf\u4e2a\u7cfb\u7edf\u7684\u5de5\u4f5c\u65f6\u95f4\u662f\u4e00\u4e2a\u5de6\u95ed\u53f3\u5f00\u533a\u95f4\uff0c\u5373\u7cfb\u7edf1\u7684\u5de5\u4f5c\u65f6\u95f4\u4e3a ([S1, E1))\uff0c\u7cfb\u7edf2\u7684\u5de5\u4f5c\u65f6\u95f4\u4e3a ([S2, E2))\u3002\u540c\u65f6\u5de5\u4f5c\u7684\u65f6\u95f4\u6bb5\u662f\u8fd9\u4e24\u4e2a\u533a\u95f4\u7684\u4ea4\u96c6\u3002\u4ea4\u96c6\u7684\u8ba1\u7b97\u9700\u8981\u627e\u5230\u4e24\u4e2a\u533a\u95f4\u7684\u91cd\u53e0\u90e8\u5206\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4ea4\u96c6\u7684\u5f00\u59cb\u65f6\u95f4\u662f\u4e24\u4e2a\u5f00\u59cb\u65f6\u95f4\u7684\u6700\u5927\u503c\uff08\u5373 (max(S1, S2))\uff09\u3002<\/li>\n\n\n\n<li>\u4ea4\u96c6\u7684\u7ed3\u675f\u65f6\u95f4\u662f\u4e24\u4e2a\u7ed3\u675f\u65f6\u95f4\u7684\u6700\u5c0f\u503c\uff08\u5373 (min(E1, E2))\uff09\u3002<\/li>\n\n\n\n<li>\u5982\u679c\u4ea4\u96c6\u7684\u5f00\u59cb\u65f6\u95f4\u5c0f\u4e8e\u7ed3\u675f\u65f6\u95f4\uff0c\u5219\u4ea4\u96c6\u5b58\u5728\uff0c\u540c\u65f6\u5de5\u4f5c\u7684\u5c0f\u65f6\u6570\u4e3a\u7ed3\u675f\u65f6\u95f4\u51cf\u5f00\u59cb\u65f6\u95f4\uff1b\u5426\u5219\uff0c\u4ea4\u96c6\u4e0d\u5b58\u5728\uff0c\u540c\u65f6\u5de5\u4f5c\u65f6\u95f4\u4e3a0\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u5efa\u7acb\u6a21\u578b<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u6570\u5b66\u6a21\u578b\u53ef\u4ee5\u8868\u793a\u4e3a\uff1a \u5f00\u59cb \u8f93\u5165\u56db\u4e2a\u6574\u6570\uff1aS1, E1, S2, E2<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8ba1\u7b97\u4ea4\u96c6\u7684\u5f00\u59cb\u65f6\u95f4 = \u53d6S1\u548cS2\u4e2d\u7684\u8f83\u5927\u503c \u8ba1\u7b97\u4ea4\u96c6\u7684\u7ed3\u675f\u65f6\u95f4 = \u53d6E1\u548cE2\u4e2d\u7684\u8f83\u5c0f\u503c<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8ba1\u7b97\u91cd\u53e0\u65f6\u95f4 = \u4ea4\u96c6\u7684\u7ed3\u675f\u65f6\u95f4 &#8211; \u4ea4\u96c6\u7684\u5f00\u59cb\u65f6\u95f4<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5982\u679c \u91cd\u53e0\u65f6\u95f4 &gt; 0 \u5219 \u8f93\u51fa \u91cd\u53e0\u65f6\u95f4 \u5426\u5219 \u8f93\u51fa 0 \u7ed3\u675f \u6a21\u578b\u786e\u4fdd\u4e86\u5f53\u6ca1\u6709\u91cd\u53e0\u65f6\uff0c\u7ed3\u679c\u4e3a0\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u7f16\u5199\u4ee3\u7801<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u6839\u636e\u4e0a\u8ff0\u6a21\u578b\uff0c\u7f16\u5199C++\u4ee3\u7801\u5b9e\u73b0\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">#include &lt;bits\/stdc++.h&gt;<br>using namespace std;<br>int main(){<br>    int s1,e1,s2,e2;<br>    cin&gt;&gt;s1&gt;&gt;e1&gt;&gt;s2&gt;&gt;e2;<br>    int startTime,endTime;<br>    \/\/\u627e\u51fa\u5f00\u59cb\u65f6\u95f4\u6700\u665a\u7684\u4e00\u4e2a <br>    startTime = s1;<br>    if(s2&gt;startTime) startTime = s2;<br>    \/\/\u627e\u51fa\u5f00\u59cb\u65f6\u95f4\u6700\u665a\u7684\u4e00\u4e2a<br>    endTime = e1; <br>    if(e2&lt;endTime) endTime = e2;<br>    \/\/endTime &gt; startTime\u65f6\u8f93\u51fa\u5dee\u503c\uff0c\u5426\u5219\u8f93\u51fa0\u3002<br>    if(endTime&gt;startTime){<br>        \/\/\u6709\u91cd\u53e0\u65f6\uff0c\u7b97\u51fa\u5dee\u503c <br>        cout&lt;&lt;endTime-startTime;<br>    }else{<br>        \/\/\u6ca1\u6709\u91cd\u53e0\u65f6\uff0c\u76f4\u63a5\u8f93\u51fa0<br>        cout&lt;&lt;\"0\";<br>    }<br>    return 0;<br>}<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ee3\u7801\u89e3\u91ca\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u8bfb\u5165\u56db\u4e2a\u6574\u6570 (S1, E1, S2, E2)\u3002<\/li>\n\n\n\n<li>\u8ba1\u7b97\u4ea4\u96c6\u7684\u7ed3\u675f\u65f6\u95f4\uff08<code>min(e1, e2)<\/code>\uff09\u548c\u5f00\u59cb\u65f6\u95f4\uff08<code>max(s1, s2)<\/code>\uff09\u3002<\/li>\n\n\n\n<li>\u8ba1\u7b97\u5dee\u503c\uff0c\u5982\u679c\u5dee\u503c\u4e3a\u8d1f\uff0c\u8bf4\u660e\u6ca1\u6709\u91cd\u53e0\uff0c\u4f7f\u7528 <code>max(0, overlap)<\/code> \u786e\u4fdd\u8f93\u51fa0\u3002<\/li>\n\n\n\n<li>\u8f93\u51fa\u7ed3\u679c\u3002<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u79cd\u65b9\u6cd5\u7b80\u6d01\u9ad8\u6548\uff0c\u65f6\u95f4\u590d\u6742\u5ea6\u4e3a (O(1))\uff0c\u9002\u7528\u4e8e\u6240\u6709\u8f93\u5165\u60c5\u51b5\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5206\u6790\u95ee\u9898 \u672c\u9898\u8981\u6c42\u8ba1\u7b97\u4e24\u5957\u704c\u6e89\u7cfb\u7edf\u540c\u65f6\u5de5\u4f5c\u7684\u65f6\u95f4\u6bb5\u3002\u6bcf\u4e2a\u7cfb\u7edf\u7684\u5de5\u4f5c\u65f6\u95f4\u662f\u4e00\u4e2a\u5de6\u95ed\u53f3\u5f00\u533a\u95f4\uff0c\u5373\u7cfb\u7edf1\u7684\u5de5\u4f5c\u65f6\u95f4\u4e3a ([S1,&#8230; <a class=\"read-more\" href=\"http:\/\/west.wangyuansheng.cn\/?p=440\">\u9605\u8bfb\u66f4\u591a&#8230;<\/a><\/p>\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-440","post","type-post","status-publish","format-standard","hentry","category-problem"],"_links":{"self":[{"href":"http:\/\/west.wangyuansheng.cn\/index.php?rest_route=\/wp\/v2\/posts\/440","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/west.wangyuansheng.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/west.wangyuansheng.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/west.wangyuansheng.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/west.wangyuansheng.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=440"}],"version-history":[{"count":3,"href":"http:\/\/west.wangyuansheng.cn\/index.php?rest_route=\/wp\/v2\/posts\/440\/revisions"}],"predecessor-version":[{"id":447,"href":"http:\/\/west.wangyuansheng.cn\/index.php?rest_route=\/wp\/v2\/posts\/440\/revisions\/447"}],"wp:attachment":[{"href":"http:\/\/west.wangyuansheng.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=440"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/west.wangyuansheng.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=440"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/west.wangyuansheng.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=440"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}