{"id":7659,"date":"2024-07-11T13:01:01","date_gmt":"2024-07-11T05:01:01","guid":{"rendered":""},"modified":"2024-07-11T13:01:01","modified_gmt":"2024-07-11T05:01:01","slug":"c\u8bed\u8a00\u4f18\u5148\u7ea7\u961f\u5217_\u5bf9\u7ed3\u6784\u4f53\u6570\u7ec4\u8fdb\u884c\u6392\u5e8f","status":"publish","type":"post","link":"https:\/\/mushiming.com\/7659.html","title":{"rendered":"c\u8bed\u8a00\u4f18\u5148\u7ea7\u961f\u5217_\u5bf9\u7ed3\u6784\u4f53\u6570\u7ec4\u8fdb\u884c\u6392\u5e8f"},"content":{"rendered":"<p><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"display: none;\"> \n <path stroke-linecap=\"round\" d=\"M5,0 0,2.5 5,5z\" id=\"raphael-marker-block\" style=\"-webkit-tap-highlight-color: rgba(0, 0, 0, 0);\"><\/path> \n<\/svg> <\/p>\n<div class=\"toc\">\n<h4>\u6587\u7ae0\u76ee\u5f55<\/h4>\n<ul>\n<li>\u4e00\u3001priority_queue \u7684\u6982\u5ff5<\/li>\n<li>\u4e8c\u3001priority_queue \u7684\u57fa\u672c\u64cd\u4f5c<\/li>\n<li>\u4e09\u3001priority_queue \u7684\u7528\u6cd5<\/li>\n<\/ul>\n<\/div>\n<h2>\u4e00\u3001priority_queue \u7684\u6982\u5ff5<\/h2>\n<ol>\n<li>\n<p>\u666e\u901a\u7684\u961f\u5217\u662f\u4e00\u79cd\u5148\u8fdb\u5148\u51fa\u7684\u6570\u636e\u7ed3\u6784\uff0c\u5143\u7d20\u5728\u961f\u5217\u5c3e\u8ffd\u52a0\uff0c\u800c\u4ece\u961f\u5217\u5934\u5220\u9664\u3002\u5728\u4f18\u5148\u961f\u5217\u4e2d\uff0c\u5143\u7d20\u88ab\u8d4b\u4e88\u4f18\u5148\u7ea7\u3002\u5f53\u8bbf\u95ee\u5143\u7d20\u65f6\uff0c\u5177\u6709\u6700\u9ad8\u4f18\u5148\u7ea7\u7684\u5143\u7d20\u6700\u5148\u5220\u9664\uff0c\u5373\u5177\u6709\u6700\u9ad8\u7ea7\u5148\u51fa \uff08largest-in\uff0cfirst-out\uff09\u7684\u884c\u4e3a\u7279\u5f81\u3002<\/p>\n<\/li>\n<li>\n<p>\u4f18\u5148\u961f\u5217\u5177\u6709\u961f\u5217\u7684\u6240\u6709\u7279\u6027\uff0c\u5305\u62ec\u57fa\u672c\u64cd\u4f5c\uff0c\u53ea\u662f\u5728\u8fd9\u57fa\u7840\u4e0a\u6dfb\u52a0\u4e86\u5185\u90e8\u7684\u4e00\u4e2a\u6392\u5e8f\uff0c\u5b83\u672c\u8d28\u662f\u4e00\u4e2a\u5806\u5b9e\u73b0\u7684<\/p>\n<\/li>\n<\/ol>\n<h2>\u4e8c\u3001priority_queue \u7684\u57fa\u672c\u64cd\u4f5c<\/h2>\n<p>\u4f7f\u7528STL\u6807\u51c6\u5e93\u7684\u4f18\u5148\u961f\u5217\u65f6\uff0c\u5e94\u5305\u542b\u5934\u6587\u4ef6\uff1a#include &lt;queue&gt;<\/p>\n<p><font face=\"\u5fae\u8f6f\u96c5\u9ed1\" size=\"4\"><strong>1\u3001\u5b9a\u4e49<\/strong><\/font><\/p>\n<pre class=\"language-java prettyprint linenums\"><code class=\"prism language-c\"> priority_queue<span class=\"token operator\">&lt;<\/span>Type<span class=\"token operator\">&gt;<\/span> q<span class=\"token punctuation\">;<\/span> priority_queue<span class=\"token operator\">&lt;<\/span>Type<span class=\"token punctuation\">,<\/span> Container<span class=\"token punctuation\">,<\/span> Functional<span class=\"token operator\">&gt;<\/span> q<span class=\"token punctuation\">;<\/span> priority_queue <span class=\"token operator\">&lt;<\/span><span class=\"token keyword\">int<\/span><span class=\"token punctuation\">,<\/span>vector<span class=\"token operator\">&lt;<\/span><span class=\"token keyword\">int<\/span><span class=\"token operator\">&gt;<\/span><span class=\"token punctuation\">,<\/span>greater<span class=\"token operator\">&lt;<\/span><span class=\"token keyword\">int<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token operator\">&gt;<\/span> q<span class=\"token punctuation\">;<\/span> \u5347\u5e8f\u961f\u5217 priority_queue <span class=\"token operator\">&lt;<\/span><span class=\"token keyword\">int<\/span><span class=\"token punctuation\">,<\/span>vector<span class=\"token operator\">&lt;<\/span><span class=\"token keyword\">int<\/span><span class=\"token operator\">&gt;<\/span><span class=\"token punctuation\">,<\/span>less<span class=\"token operator\">&lt;<\/span><span class=\"token keyword\">int<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token operator\">&gt;<\/span>q<span class=\"token punctuation\">;<\/span> \u964d\u5e8f\u961f\u5217 <span class=\"token comment\">\/\/\u6ce8\u610f\u540e\u9762\u4e24\u4e2a\u201c&gt;\u201d\u4e0d\u8981\u5199\u5728\u4e00\u8d77\uff0c\u201c&gt;&gt;\u201d\u662f\u53f3\u79fb\u8fd0\u7b97\u7b26<\/span> <\/code><\/pre>\n<p>Type\u4e3a\u6570\u636e\u7c7b\u578b\uff0c Container\u4e3a\u4fdd\u5b58\u6570\u636e\u7684\u5bb9\u5668\uff0cFunctional\u4e3a\u5143\u7d20\u6bd4\u8f83\u65b9\u5f0f\u3002<br \/> \uff08Container\u5fc5\u987b\u662f\u7528\u6570\u7ec4\u5b9e\u73b0\u7684\u5bb9\u5668\uff0c\u6bd4\u5982vector,deque\u7b49\u7b49\uff0c\u4f46\u4e0d\u80fd\u7528 list\u3002\u4f7f\u7528\u57fa\u672c\u6570\u636e\u7c7b\u578b\u65f6\uff0c\u5373\u4e0d\u5199\u540e\u4e24\u4e2a\u53c2\u6570\uff0c\u90a3\u4e48STL\u5bb9\u5668\u9ed8\u8ba4\u7528\u7684\u662fvector\uff0c\u6bd4\u8f83\u65b9\u5f0f\u9ed8\u8ba4\u7528operator&lt;\uff0c\u4e5f\u5c31\u662f\u5927\u9876\u5806\uff0c\u961f\u5934\u5143\u7d20\u6700\u5927\u3002\uff09<\/p>\n<p><font face=\"\u5fae\u8f6f\u96c5\u9ed1\" size=\"4\"><strong>2\u3001\u57fa\u672c\u64cd\u4f5c<\/strong><\/font><\/p>\n<pre class=\"language-java prettyprint linenums\"><code class=\"prism language-c\"> q<span class=\"token punctuation\">.<\/span><span class=\"token function\">empty<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> \u5982\u679c\u961f\u5217\u4e3a\u7a7a\uff0c\u5219\u8fd4\u56detrue\uff0c\u5426\u5219\u8fd4\u56defalse q<span class=\"token punctuation\">.<\/span><span class=\"token function\">size<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> \u8fd4\u56de\u961f\u5217\u4e2d\u5143\u7d20\u7684\u4e2a\u6570 q<span class=\"token punctuation\">.<\/span><span class=\"token function\">pop<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> \u5220\u9664\u961f\u9996\u5143\u7d20\uff0c\u4f46\u4e0d\u8fd4\u56de\u5176\u503c q<span class=\"token punctuation\">.<\/span><span class=\"token function\">top<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> \u8fd4\u56de\u5177\u6709\u6700\u9ad8\u4f18\u5148\u7ea7\u7684\u5143\u7d20\u503c\uff0c\u4f46\u4e0d\u5220\u9664\u8be5\u5143\u7d20 q<span class=\"token punctuation\">.<\/span><span class=\"token function\">push<\/span><span class=\"token punctuation\">(<\/span>item<span class=\"token punctuation\">)<\/span> \u5728\u57fa\u4e8e\u4f18\u5148\u7ea7\u7684\u672b\u5c3e\u63d2\u5165\u65b0\u5143\u7d20 <\/code><\/pre>\n<p><strong>\u6ce8\u610f\uff1a<\/strong> \u4f18\u5148\u961f\u5217\u6ca1\u6709 q.back() \u64cd\u4f5c<\/p>\n<h2>\u4e09\u3001priority_queue \u7684\u7528\u6cd5<\/h2>\n<p> <\/p>\n<p><strong>1\u3001\u57fa\u672c\u7528\u6cd5<\/strong><\/p>\n<pre><code class=\"prism language-c\"><span class=\"token macro property\">#<span class=\"token directive keyword\">include<\/span><span class=\"token string\">&lt;iostream&gt;<\/span><\/span> <span class=\"token macro property\">#<span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;queue&gt;<\/span><\/span> using namespace std<span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">int<\/span> <span class=\"token function\">main<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">{ \n   <!-- --><\/span> <span class=\"token comment\">\/\/\u5bf9\u4e8e\u57fa\u7840\u7c7b\u578b \u9ed8\u8ba4\u662f\u5927\u9876\u5806\uff0c\u964d\u5e8f\u961f\u5217 <\/span> priority_queue<span class=\"token operator\">&lt;<\/span><span class=\"token keyword\">int<\/span><span class=\"token operator\">&gt;<\/span> q1<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/\u7b49\u540c\u4e8e priority_queue&lt;int, vector&lt;int&gt;, less&lt;int&gt; &gt; a;<\/span> <span class=\"token comment\">\/\/ \u8fd9\u91cc\u4e00\u5b9a\u8981\u6709\u7a7a\u683c\uff0c\u4e0d\u7136\u6210\u4e86\u53f3\u79fb\u8fd0\u7b97\u7b26\u2193<\/span> priority_queue<span class=\"token operator\">&lt;<\/span><span class=\"token keyword\">int<\/span><span class=\"token punctuation\">,<\/span> vector<span class=\"token operator\">&lt;<\/span><span class=\"token keyword\">int<\/span><span class=\"token operator\">&gt;<\/span><span class=\"token punctuation\">,<\/span> greater<span class=\"token operator\">&lt;<\/span><span class=\"token keyword\">int<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token operator\">&gt;<\/span> q2<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/\u5c0f\u9876\u5806\uff0c\u5347\u5e8f\u961f\u5217 <\/span> priority_queue<span class=\"token operator\">&lt;<\/span>string<span class=\"token operator\">&gt;<\/span> q3<span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">for<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> i<span class=\"token operator\">=<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> i<span class=\"token operator\">&lt;<\/span><span class=\"token number\">5<\/span><span class=\"token punctuation\">;<\/span> i<span class=\"token operator\">++<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">{ \n   <!-- --><\/span> q1<span class=\"token punctuation\">.<\/span><span class=\"token function\">push<\/span><span class=\"token punctuation\">(<\/span>i<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> q2<span class=\"token punctuation\">.<\/span><span class=\"token function\">push<\/span><span class=\"token punctuation\">(<\/span>i<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">while<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span>q1<span class=\"token punctuation\">.<\/span><span class=\"token function\">empty<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">{ \n   <!-- --><\/span> <span class=\"token comment\">\/\/\u8f93\u51fa\u5927\u9876\u5806 <\/span> cout<span class=\"token operator\">&lt;&lt;<\/span>q1<span class=\"token punctuation\">.<\/span><span class=\"token function\">top<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">&lt;&lt;<\/span><span class=\"token string\">' '<\/span><span class=\"token punctuation\">;<\/span> q1<span class=\"token punctuation\">.<\/span><span class=\"token function\">pop<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> cout<span class=\"token operator\">&lt;&lt;<\/span>endl<span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">while<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span>q2<span class=\"token punctuation\">.<\/span><span class=\"token function\">empty<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">{ \n   <!-- --><\/span> <span class=\"token comment\">\/\/\u8f93\u51fa\u5c0f\u9876\u5806 <\/span> cout<span class=\"token operator\">&lt;&lt;<\/span>q2<span class=\"token punctuation\">.<\/span><span class=\"token function\">top<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">&lt;&lt;<\/span><span class=\"token string\">' '<\/span><span class=\"token punctuation\">;<\/span> q2<span class=\"token punctuation\">.<\/span><span class=\"token function\">pop<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> cout<span class=\"token operator\">&lt;&lt;<\/span>endl<span class=\"token punctuation\">;<\/span> q3<span class=\"token punctuation\">.<\/span><span class=\"token function\">push<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"abc\"<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> q3<span class=\"token punctuation\">.<\/span><span class=\"token function\">push<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"abcd\"<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> q3<span class=\"token punctuation\">.<\/span><span class=\"token function\">push<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"cbd\"<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">while<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span>q3<span class=\"token punctuation\">.<\/span><span class=\"token function\">empty<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">{ \n   <!-- --><\/span> <span class=\"token comment\">\/\/\u8f93\u51fa\u5b57\u7b26\u4e32\u5927\u9876\u5806 <\/span> cout<span class=\"token operator\">&lt;&lt;<\/span>q3<span class=\"token punctuation\">.<\/span><span class=\"token function\">top<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">&lt;&lt;<\/span><span class=\"token string\">' '<\/span><span class=\"token punctuation\">;<\/span> q3<span class=\"token punctuation\">.<\/span><span class=\"token function\">pop<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> cout<span class=\"token operator\">&lt;&lt;<\/span>endl<span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">return<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <\/code><\/pre>\n<p><strong>\u8f93\u51fa\u7ed3\u679c\uff1a<\/strong><br \/> <img decoding=\"async\" src=\"https:\/\/img-blog.csdnimg.cn\/20191005103955385.JPG\" =\"\" =\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" alt=\"c\u8bed\u8a00\u4f18\u5148\u7ea7\u961f\u5217_\u5bf9\u7ed3\u6784\u4f53\u6570\u7ec4\u8fdb\u884c\u6392\u5e8f (https:\/\/mushiming.com\/)  \u7b2c1\u5f20\" title=\"c\u8bed\u8a00\u4f18\u5148\u7ea7\u961f\u5217_\u5bf9\u7ed3\u6784\u4f53\u6570\u7ec4\u8fdb\u884c\u6392\u5e8f  \u7b2c1\u5f20-\u7a46\u4e16\u660e\u535a\u5ba2\" ><\/p>\n<p> <\/p>\n<p><strong>2\u3001pari&lt;Type, Type&gt;\u7c7b\u578b<\/strong><\/p>\n<p>\u5148\u6bd4\u8f83\u7b2c\u4e00\u4e2a\u5143\u7d20\uff0c\u5982\u679c\u7b2c\u4e00\u4e2a\u76f8\u7b49\u5219\u6bd4\u8f83\u7b2c\u4e8c\u4e2a<\/p>\n<pre><code class=\"prism language-c\"><span class=\"token macro property\">#<span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;iostream&gt;<\/span><\/span> <span class=\"token macro property\">#<span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;queue&gt;<\/span><\/span> <span class=\"token macro property\">#<span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;vector&gt;<\/span><\/span> using namespace std<span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">int<\/span> <span class=\"token function\">main<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">{ \n   <!-- --><\/span> priority_queue<span class=\"token operator\">&lt;<\/span>pair<span class=\"token operator\">&lt;<\/span><span class=\"token keyword\">int<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">int<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token operator\">&gt;<\/span> q1<span class=\"token punctuation\">;<\/span> priority_queue<span class=\"token operator\">&lt;<\/span>pair<span class=\"token operator\">&lt;<\/span>string<span class=\"token punctuation\">,<\/span> string<span class=\"token operator\">&gt;<\/span><span class=\"token punctuation\">,<\/span> vector<span class=\"token operator\">&lt;<\/span>pair<span class=\"token operator\">&lt;<\/span>string<span class=\"token punctuation\">,<\/span> string<span class=\"token operator\">&gt;<\/span> <span class=\"token operator\">&gt;<\/span><span class=\"token punctuation\">,<\/span> greater<span class=\"token operator\">&lt;<\/span>pair<span class=\"token operator\">&lt;<\/span>string<span class=\"token punctuation\">,<\/span> string<span class=\"token operator\">&gt;<\/span> <span class=\"token operator\">&gt;<\/span> <span class=\"token operator\">&gt;<\/span> q2<span class=\"token punctuation\">;<\/span> pair<span class=\"token operator\">&lt;<\/span><span class=\"token keyword\">int<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">int<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token function\">a1<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> pair<span class=\"token operator\">&lt;<\/span><span class=\"token keyword\">int<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">int<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token function\">a2<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">3<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> pair<span class=\"token operator\">&lt;<\/span><span class=\"token keyword\">int<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">int<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token function\">a3<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">2<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">5<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> q1<span class=\"token punctuation\">.<\/span><span class=\"token function\">push<\/span><span class=\"token punctuation\">(<\/span>a1<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> q1<span class=\"token punctuation\">.<\/span><span class=\"token function\">push<\/span><span class=\"token punctuation\">(<\/span>a2<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> q1<span class=\"token punctuation\">.<\/span><span class=\"token function\">push<\/span><span class=\"token punctuation\">(<\/span>a3<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> pair<span class=\"token operator\">&lt;<\/span>string<span class=\"token punctuation\">,<\/span> string<span class=\"token operator\">&gt;<\/span> <span class=\"token function\">b1<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"zf\"<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">\"akl\"<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> pair<span class=\"token operator\">&lt;<\/span>string<span class=\"token punctuation\">,<\/span> string<span class=\"token operator\">&gt;<\/span> <span class=\"token function\">b2<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"acd\"<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">\"azkl\"<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> pair<span class=\"token operator\">&lt;<\/span>string<span class=\"token punctuation\">,<\/span> string<span class=\"token operator\">&gt;<\/span> <span class=\"token function\">b3<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"acd\"<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">\"ab\"<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> q2<span class=\"token punctuation\">.<\/span><span class=\"token function\">push<\/span><span class=\"token punctuation\">(<\/span>b1<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> q2<span class=\"token punctuation\">.<\/span><span class=\"token function\">push<\/span><span class=\"token punctuation\">(<\/span>b2<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> q2<span class=\"token punctuation\">.<\/span><span class=\"token function\">push<\/span><span class=\"token punctuation\">(<\/span>b3<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">while<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span>q1<span class=\"token punctuation\">.<\/span><span class=\"token function\">empty<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">{ \n   <!-- --><\/span> cout<span class=\"token operator\">&lt;&lt;<\/span>q1<span class=\"token punctuation\">.<\/span><span class=\"token function\">top<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span>first<span class=\"token operator\">&lt;&lt;<\/span><span class=\"token string\">' '<\/span><span class=\"token operator\">&lt;&lt;<\/span>q1<span class=\"token punctuation\">.<\/span><span class=\"token function\">top<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span>second<span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">'\\n'<\/span><span class=\"token punctuation\">;<\/span> q1<span class=\"token punctuation\">.<\/span><span class=\"token function\">pop<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">while<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span>q2<span class=\"token punctuation\">.<\/span><span class=\"token function\">empty<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">{ \n   <!-- --><\/span> cout<span class=\"token operator\">&lt;&lt;<\/span>q2<span class=\"token punctuation\">.<\/span><span class=\"token function\">top<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span>first<span class=\"token operator\">&lt;&lt;<\/span><span class=\"token string\">' '<\/span><span class=\"token operator\">&lt;&lt;<\/span>q2<span class=\"token punctuation\">.<\/span><span class=\"token function\">top<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span>second<span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">'\\n'<\/span><span class=\"token punctuation\">;<\/span> q2<span class=\"token punctuation\">.<\/span><span class=\"token function\">pop<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token punctuation\">}<\/span> <\/code><\/pre>\n<p><strong>\u8f93\u51fa\u7ed3\u679c\uff1a<\/strong><br \/> <img decoding=\"async\" src=\"https:\/\/img-blog.csdnimg.cn\/20191005113735900.JPG\" =\"\" =\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" alt=\"c\u8bed\u8a00\u4f18\u5148\u7ea7\u961f\u5217_\u5bf9\u7ed3\u6784\u4f53\u6570\u7ec4\u8fdb\u884c\u6392\u5e8f (https:\/\/mushiming.com\/)  \u7b2c2\u5f20\" title=\"c\u8bed\u8a00\u4f18\u5148\u7ea7\u961f\u5217_\u5bf9\u7ed3\u6784\u4f53\u6570\u7ec4\u8fdb\u884c\u6392\u5e8f  \u7b2c2\u5f20-\u7a46\u4e16\u660e\u535a\u5ba2\" ><\/p>\n<p><strong>3\u3001\u81ea\u5b9a\u4e49\u7c7b\u578b<\/strong><\/p>\n<p><strong>\u65b9\u6cd51\uff1a<\/strong> \u91cd\u8f7d operator&lt; \uff0c\u8fd4\u56detrue\u65f6\uff0c\u8bf4\u660e\u5de6\u8fb9\u5f62\u53c2\u7684\u4f18\u5148\u7ea7\u4f4e\u4e8e\u53f3\u8fb9\u5f62\u53c2<\/p>\n<pre><code class=\"prism language-c\"><span class=\"token macro property\">#<span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;iostream&gt;<\/span><\/span> <span class=\"token macro property\">#<span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;queue&gt;<\/span> <\/span> <span class=\"token macro property\">#<span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;cstdlib&gt;<\/span><\/span> using namespace std<span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">struct<\/span> Node<span class=\"token punctuation\">{ \n   <!-- --><\/span> <span class=\"token keyword\">int<\/span> x<span class=\"token punctuation\">,<\/span> y<span class=\"token punctuation\">;<\/span> <span class=\"token function\">Node<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> a<span class=\"token operator\">=<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">int<\/span> b<span class=\"token operator\">=<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token function\">x<\/span><span class=\"token punctuation\">(<\/span>a<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><span class=\"token function\">y<\/span><span class=\"token punctuation\">(<\/span>b<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">{ \n   <!-- --><\/span><span class=\"token punctuation\">}<\/span> <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span> bool operator<span class=\"token operator\">&lt;<\/span><span class=\"token punctuation\">(<\/span>Node a<span class=\"token punctuation\">,<\/span> Node b<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">{ \n   <!-- --><\/span> <span class=\"token comment\">\/\/\u8fd4\u56detrue\u65f6\uff0c\u8bf4\u660ea\u7684\u4f18\u5148\u7ea7\u4f4e\u4e8eb<\/span> <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span> a<span class=\"token punctuation\">.<\/span>x<span class=\"token operator\">==<\/span> b<span class=\"token punctuation\">.<\/span>x <span class=\"token punctuation\">)<\/span> <span class=\"token comment\">\/\/x\u76f8\u7b49\u65f6\uff0cy\u5927\u7684\u4f18\u5148\u7ea7\u4f4e\uff08y\u5c0f\u7684Node\u6392\u5728\u961f\u524d\uff09<\/span> <span class=\"token keyword\">return<\/span> a<span class=\"token punctuation\">.<\/span>y<span class=\"token operator\">&gt;<\/span> b<span class=\"token punctuation\">.<\/span>y<span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">return<\/span> a<span class=\"token punctuation\">.<\/span>x<span class=\"token operator\">&gt;<\/span> b<span class=\"token punctuation\">.<\/span>x<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/x\u503c\u8f83\u5927\u7684Node\u4f18\u5148\u7ea7\u4f4e\uff08x\u5c0f\u7684Node\u6392\u5728\u961f\u524d\uff09<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">int<\/span> <span class=\"token function\">main<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">{ \n   <!-- --><\/span> priority_queue<span class=\"token operator\">&lt;<\/span>Node<span class=\"token operator\">&gt;<\/span> q<span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">for<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> i<span class=\"token operator\">=<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> i<span class=\"token operator\">&lt;<\/span><span class=\"token number\">10<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token operator\">++<\/span>i<span class=\"token punctuation\">)<\/span> q<span class=\"token punctuation\">.<\/span><span class=\"token function\">push<\/span><span class=\"token punctuation\">(<\/span> <span class=\"token function\">Node<\/span><span class=\"token punctuation\">(<\/span> <span class=\"token function\">rand<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">rand<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">while<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span>q<span class=\"token punctuation\">.<\/span><span class=\"token function\">empty<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">{ \n   <!-- --><\/span> cout<span class=\"token operator\">&lt;&lt;<\/span>q<span class=\"token punctuation\">.<\/span><span class=\"token function\">top<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span>x<span class=\"token operator\">&lt;&lt;<\/span><span class=\"token string\">' '<\/span><span class=\"token operator\">&lt;&lt;<\/span>q<span class=\"token punctuation\">.<\/span><span class=\"token function\">top<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span>y<span class=\"token operator\">&lt;&lt;<\/span>endl<span class=\"token punctuation\">;<\/span> q<span class=\"token punctuation\">.<\/span><span class=\"token function\">pop<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">return<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <\/code><\/pre>\n<p><strong>\u8f93\u51fa\u7ed3\u679c\uff1a<\/strong><br \/> <img decoding=\"async\" src=\"https:\/\/img-blog.csdnimg.cn\/20191005153828145.JPG\" =\"\" =\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" alt=\"c\u8bed\u8a00\u4f18\u5148\u7ea7\u961f\u5217_\u5bf9\u7ed3\u6784\u4f53\u6570\u7ec4\u8fdb\u884c\u6392\u5e8f (https:\/\/mushiming.com\/)  \u7b2c3\u5f20\" title=\"c\u8bed\u8a00\u4f18\u5148\u7ea7\u961f\u5217_\u5bf9\u7ed3\u6784\u4f53\u6570\u7ec4\u8fdb\u884c\u6392\u5e8f  \u7b2c3\u5f20-\u7a46\u4e16\u660e\u535a\u5ba2\" ><br \/> <strong>\u6ce8\u610f\uff1a<\/strong> \u81ea\u5b9a\u4e49\u7c7b\u578b\u91cd\u8f7doperator&lt;\u540e\uff0c\u58f0\u660e\u5bf9\u8c61\u65f6\u5c31\u53ef\u4ee5\u53ea\u5e26\u4e00\u4e2a\u6a21\u677f\u53c2\u6570\u3002\u4f46\u6b64\u65f6\u4e0d\u80fd\u50cf\u57fa\u672c\u7c7b\u578b\u90a3\u6837\u58f0\u660e priority_queue&lt;Node, vector&lt;Node&gt;, greater&lt;Node&gt; &gt;\uff0c\u56e0\u4e3agreater&lt;Node&gt;\u6ca1\u6709\u5b9a\u4e49\u3002<\/p>\n<p>\u5982\u679c\u60f3\u7528\u8fd9\u79cd\u65b9\u6cd5\u5b9a\u4e49 priority_queue&lt;Node, vector&lt;Node&gt;, greater&lt;Node&gt; &gt; \u5219\u8981\u91cd\u8f7d operator &gt; \uff0c\u5c06\u65b9\u6cd52\u3002<\/p>\n<p><strong>\u65b9\u6cd52\uff1a<\/strong> \u91cd\u8f7d operator&gt; \uff0c\u8fd4\u56de\u7684\u662f\u5c0f\u9876\u5806\u3002\u4f46\u4e00\u822c\u5f88\u5c11\u8fd9\u6837\u7528\uff0c\u66f4\u591a\u7684\u662f\u91cd\u8f7doperator&lt; \u3002<\/p>\n<pre><code class=\"prism language-c\"><span class=\"token macro property\">#<span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;iostream&gt;<\/span><\/span> <span class=\"token macro property\">#<span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;queue&gt;<\/span><\/span> <span class=\"token macro property\">#<span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;cstdlib&gt;<\/span><\/span> using namespace std<span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">struct<\/span> Node<span class=\"token punctuation\">{ \n   <!-- --><\/span> <span class=\"token keyword\">int<\/span> x<span class=\"token punctuation\">,<\/span> y<span class=\"token punctuation\">;<\/span> <span class=\"token function\">Node<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> a<span class=\"token operator\">=<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">int<\/span> b<span class=\"token operator\">=<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token function\">x<\/span><span class=\"token punctuation\">(<\/span>a<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">y<\/span><span class=\"token punctuation\">(<\/span>b<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span><span class=\"token punctuation\">}<\/span> <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span> bool operator<span class=\"token operator\">&gt;<\/span> <span class=\"token punctuation\">(<\/span> Node a<span class=\"token punctuation\">,<\/span> Node b <span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">{ \n   <!-- --><\/span> <span class=\"token comment\">\/\/\u8fd4\u56detrue\uff0ca\u7684\u4f18\u5148\u7ea7\u5927\u4e8eb<\/span> <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>a<span class=\"token punctuation\">.<\/span>x<span class=\"token operator\">==<\/span> b<span class=\"token punctuation\">.<\/span>x<span class=\"token punctuation\">)<\/span> <span class=\"token comment\">\/\/x\u76f8\u540c\u65f6\uff0cy\u5927\u7684\u6392\u5728\u961f\u524d\u90e8<\/span> <span class=\"token keyword\">return<\/span> a<span class=\"token punctuation\">.<\/span>y<span class=\"token operator\">&gt;<\/span> b<span class=\"token punctuation\">.<\/span>y<span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">return<\/span> a<span class=\"token punctuation\">.<\/span>x<span class=\"token operator\">&gt;<\/span> b<span class=\"token punctuation\">.<\/span>x<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/x\u5927\u7684\u6392\u5728\u961f\u524d\u90e8\uff1b<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">int<\/span> <span class=\"token function\">main<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">{ \n   <!-- --><\/span> priority_queue<span class=\"token operator\">&lt;<\/span>Node<span class=\"token punctuation\">,<\/span>vector<span class=\"token operator\">&lt;<\/span>Node<span class=\"token operator\">&gt;<\/span><span class=\"token punctuation\">,<\/span>greater<span class=\"token operator\">&lt;<\/span>Node<span class=\"token operator\">&gt;<\/span> <span class=\"token operator\">&gt;<\/span> q<span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">for<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> i<span class=\"token operator\">=<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> i<span class=\"token operator\">&lt;<\/span><span class=\"token number\">10<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token operator\">++<\/span>i<span class=\"token punctuation\">)<\/span> q<span class=\"token punctuation\">.<\/span><span class=\"token function\">push<\/span><span class=\"token punctuation\">(<\/span> <span class=\"token function\">Node<\/span><span class=\"token punctuation\">(<\/span> <span class=\"token function\">rand<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">rand<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">while<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span>q<span class=\"token punctuation\">.<\/span><span class=\"token function\">empty<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">{ \n   <!-- --><\/span> cout<span class=\"token operator\">&lt;&lt;<\/span>q<span class=\"token punctuation\">.<\/span><span class=\"token function\">top<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span>x<span class=\"token operator\">&lt;&lt;<\/span><span class=\"token string\">' '<\/span><span class=\"token operator\">&lt;&lt;<\/span>q<span class=\"token punctuation\">.<\/span><span class=\"token function\">top<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span>y<span class=\"token operator\">&lt;&lt;<\/span>endl<span class=\"token punctuation\">;<\/span> q<span class=\"token punctuation\">.<\/span><span class=\"token function\">pop<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">return<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <\/code><\/pre>\n<p><strong>\u8f93\u51fa\u7ed3\u679c\uff1a<\/strong><br \/> <img decoding=\"async\" src=\"https:\/\/img-blog.csdnimg.cn\/20191005154619565.JPG\" =\"\" =\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" alt=\"c\u8bed\u8a00\u4f18\u5148\u7ea7\u961f\u5217_\u5bf9\u7ed3\u6784\u4f53\u6570\u7ec4\u8fdb\u884c\u6392\u5e8f (https:\/\/mushiming.com\/)  \u7b2c4\u5f20\" title=\"c\u8bed\u8a00\u4f18\u5148\u7ea7\u961f\u5217_\u5bf9\u7ed3\u6784\u4f53\u6570\u7ec4\u8fdb\u884c\u6392\u5e8f  \u7b2c4\u5f20-\u7a46\u4e16\u660e\u535a\u5ba2\" ><\/p>\n<p><strong>\u65b9\u6cd53\uff1a<\/strong> \u91cd\u5199\u4eff\u51fd\u6570\uff0c\u8fd4\u56de\u503c\u6392\u5e8f\u4e0e\u65b9\u6cd51\u3001\u65b9\u6cd52\u76f8\u540c\uff0c\u90fd\u662f\u5c0f\u9876\u5806\u3002<\/p>\n<pre><code class=\"prism language-c\"><span class=\"token macro property\">#<span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;iostream&gt;<\/span><\/span> <span class=\"token macro property\">#<span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;queue&gt;<\/span><\/span> <span class=\"token macro property\">#<span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;cstdlib&gt;<\/span><\/span> using namespace std<span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">struct<\/span> Node<span class=\"token punctuation\">{ \n   <!-- --><\/span> <span class=\"token keyword\">int<\/span> x<span class=\"token punctuation\">,<\/span> y<span class=\"token punctuation\">;<\/span> <span class=\"token function\">Node<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> a<span class=\"token operator\">=<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">int<\/span> b<span class=\"token operator\">=<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token function\">x<\/span><span class=\"token punctuation\">(<\/span>a<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">y<\/span><span class=\"token punctuation\">(<\/span>b<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span><span class=\"token punctuation\">}<\/span> <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">struct<\/span> cmp<span class=\"token punctuation\">{ \n   <!-- --><\/span> <span class=\"token comment\">\/\/\u91cd\u5199\u7684\u4eff\u51fd\u6570<\/span> <span class=\"token comment\">\/\/\u8fd4\u56detrue\u65f6\uff0ca\u7684\u4f18\u5148\u7ea7\u4f4e\u4e8eb\u7684\u4f18\u5148\u7ea7\uff08a\u6392\u5728b\u7684\u540e\u9762\uff09<\/span> bool <span class=\"token function\">operator<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">(<\/span> Node a<span class=\"token punctuation\">,<\/span> Node b <span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">{ \n   <!-- --><\/span> <span class=\"token comment\">\/\/\u9ed8\u8ba4\u662fless\u51fd\u6570<\/span> <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>a<span class=\"token punctuation\">.<\/span>x<span class=\"token operator\">==<\/span>b<span class=\"token punctuation\">.<\/span>x<span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">return<\/span> a<span class=\"token punctuation\">.<\/span>y<span class=\"token operator\">&gt;<\/span> b<span class=\"token punctuation\">.<\/span>y<span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">return<\/span> a<span class=\"token punctuation\">.<\/span>x<span class=\"token operator\">&gt;<\/span> b<span class=\"token punctuation\">.<\/span>x<span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">int<\/span> <span class=\"token function\">main<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">{ \n   <!-- --><\/span> <span class=\"token comment\">\/\/\u4eff\u51fd\u6570\u66ff\u6362\u9ed8\u8ba4\u6bd4\u8f83\u65b9\u5f0f<\/span> priority_queue<span class=\"token operator\">&lt;<\/span>Node<span class=\"token punctuation\">,<\/span> vector<span class=\"token operator\">&lt;<\/span>Node<span class=\"token operator\">&gt;<\/span><span class=\"token punctuation\">,<\/span> cmp<span class=\"token operator\">&gt;<\/span> q<span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">for<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> i<span class=\"token operator\">=<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> i<span class=\"token operator\">&lt;<\/span><span class=\"token number\">10<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token operator\">++<\/span>i<span class=\"token punctuation\">)<\/span> q<span class=\"token punctuation\">.<\/span><span class=\"token function\">push<\/span><span class=\"token punctuation\">(<\/span> <span class=\"token function\">Node<\/span><span class=\"token punctuation\">(<\/span> <span class=\"token function\">rand<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">rand<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">while<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span>q<span class=\"token punctuation\">.<\/span><span class=\"token function\">empty<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">{ \n   <!-- --><\/span> cout<span class=\"token operator\">&lt;&lt;<\/span>q<span class=\"token punctuation\">.<\/span><span class=\"token function\">top<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span>x<span class=\"token operator\">&lt;&lt;<\/span><span class=\"token string\">' '<\/span><span class=\"token operator\">&lt;&lt;<\/span>q<span class=\"token punctuation\">.<\/span><span class=\"token function\">top<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span>y<span class=\"token operator\">&lt;&lt;<\/span>endl<span class=\"token punctuation\">;<\/span> q<span class=\"token punctuation\">.<\/span><span class=\"token function\">pop<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">return<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <\/code><\/pre>\n<p><strong>\u8f93\u51fa\u7ed3\u679c\uff1a<\/strong><br \/> <img decoding=\"async\" src=\"https:\/\/img-blog.csdnimg.cn\/20191005155551534.JPG\" =\"\" =\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" alt=\"c\u8bed\u8a00\u4f18\u5148\u7ea7\u961f\u5217_\u5bf9\u7ed3\u6784\u4f53\u6570\u7ec4\u8fdb\u884c\u6392\u5e8f (https:\/\/mushiming.com\/)  \u7b2c5\u5f20\" title=\"c\u8bed\u8a00\u4f18\u5148\u7ea7\u961f\u5217_\u5bf9\u7ed3\u6784\u4f53\u6570\u7ec4\u8fdb\u884c\u6392\u5e8f  \u7b2c5\u5f20-\u7a46\u4e16\u660e\u535a\u5ba2\" ><\/p>\n","protected":false},"excerpt":{"rendered":"c\u8bed\u8a00\u4f18\u5148\u7ea7\u961f\u5217_\u5bf9\u7ed3\u6784\u4f53\u6570\u7ec4\u8fdb\u884c\u6392\u5e8f\u6587\u7ae0\u76ee\u5f55\u4e00\u3001\u4f18\u5148\u961f\u5217\u7684\u6982\u5ff5\u4e8c\u3001\u4f18\u5148\u961f\u5217\u7684\u57fa\u672c\u64cd\u4f5c\u4e09\u3001\u4f18\u5148\u961f\u5217\u7684\u7528\u6cd5\u4e00\u3001\u4f18\u5148\u961f\u5217\u7684...","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[],"tags":[],"_links":{"self":[{"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/posts\/7659"}],"collection":[{"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/comments?post=7659"}],"version-history":[{"count":0,"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/posts\/7659\/revisions"}],"wp:attachment":[{"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/media?parent=7659"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/categories?post=7659"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/tags?post=7659"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}