{"id":506,"date":"2017-04-26T17:05:53","date_gmt":"2017-04-26T09:05:53","guid":{"rendered":"http:\/\/kylelv.com\/?p=506"},"modified":"2018-01-18T17:07:03","modified_gmt":"2018-01-18T09:07:03","slug":"bzoj-1059-zjoi2007%e7%9f%a9%e9%98%b5%e6%b8%b8%e6%88%8f-%e4%ba%8c%e5%88%86%e5%9b%be%e5%8c%b9%e9%85%8d","status":"publish","type":"post","link":"https:\/\/blog.kylelv.com\/?p=506","title":{"rendered":"bzoj 1059: [ZJOI2007]\u77e9\u9635\u6e38\u620f  &#8212; \u4e8c\u5206\u56fe\u5339\u914d"},"content":{"rendered":"<p>&nbsp;<\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_73 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Contents<\/p>\n<label for=\"ez-toc-cssicon-toggle-item-69fdef753aceb\" class=\"ez-toc-cssicon-toggle-label\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/label><input type=\"checkbox\"  id=\"ez-toc-cssicon-toggle-item-69fdef753aceb\"  aria-label=\"Toggle\" \/><nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/blog.kylelv.com\/?p=506\/#1059_ZJOI2007%E7%9F%A9%E9%98%B5%E6%B8%B8%E6%88%8F\" title=\"1059: [ZJOI2007]\u77e9\u9635\u6e38\u620f\">1059: [ZJOI2007]\u77e9\u9635\u6e38\u620f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/blog.kylelv.com\/?p=506\/#Description\" title=\"Description\">Description<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/blog.kylelv.com\/?p=506\/#Input\" title=\"Input\">Input<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/blog.kylelv.com\/?p=506\/#Output\" title=\"Output\">Output<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/blog.kylelv.com\/?p=506\/#Sample_Input\" title=\"Sample Input\">Sample Input<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/blog.kylelv.com\/?p=506\/#Sample_Output\" title=\"Sample Output\">Sample Output<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/blog.kylelv.com\/?p=506\/#HINT\" title=\"HINT\">HINT<\/a><\/li><\/ul><\/nav><\/div>\n<h2 style=\"text-align: center;\"><span class=\"ez-toc-section\" id=\"1059_ZJOI2007%E7%9F%A9%E9%98%B5%E6%B8%B8%E6%88%8F\"><\/span>1059: [ZJOI2007]\u77e9\u9635\u6e38\u620f<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p style=\"text-align: center;\"><span class=\"green\">Time Limit:\u00a010 Sec\u00a0\u00a0Memory Limit:\u00a0162 MB<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Description\"><\/span>Description<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<div class=\"content\">\n<div>\u3000\u3000\u5c0fQ\u662f\u4e00\u4e2a\u975e\u5e38\u806a\u660e\u7684\u5b69\u5b50\uff0c\u9664\u4e86\u56fd\u9645\u8c61\u68cb\uff0c\u4ed6\u8fd8\u5f88\u559c\u6b22\u73a9\u4e00\u4e2a\u7535\u8111\u76ca\u667a\u6e38\u620f\u2014\u2014\u77e9\u9635\u6e38\u620f\u3002\u77e9\u9635\u6e38\u620f\u5728\u4e00\u4e2aN<\/div>\n<div>*N\u9ed1\u767d\u65b9\u9635\u8fdb\u884c\uff08\u5982\u540c\u56fd\u9645\u8c61\u68cb\u4e00\u822c\uff0c\u53ea\u662f\u989c\u8272\u662f\u968f\u610f\u7684\uff09\u3002\u6bcf\u6b21\u53ef\u4ee5\u5bf9\u8be5\u77e9\u9635\u8fdb\u884c\u4e24\u79cd\u64cd\u4f5c\uff1a\u884c\u4ea4\u6362\u64cd\u4f5c\uff1a\u9009\u62e9<\/div>\n<div>\u77e9\u9635\u7684\u4efb\u610f\u4e24\u884c\uff0c\u4ea4\u6362\u8fd9\u4e24\u884c\uff08\u5373\u4ea4\u6362\u5bf9\u5e94\u683c\u5b50\u7684\u989c\u8272\uff09\u5217\u4ea4\u6362\u64cd\u4f5c\uff1a\u9009\u62e9\u77e9\u9635\u7684\u4efb\u610f\u884c\u5217\uff0c\u4ea4\u6362\u8fd9\u4e24\u5217\uff08\u5373\u4ea4\u6362<\/div>\n<div>\u5bf9\u5e94\u683c\u5b50\u7684\u989c\u8272\uff09\u6e38\u620f\u7684\u76ee\u6807\uff0c\u5373\u901a\u8fc7\u82e5\u5e72\u6b21\u64cd\u4f5c\uff0c\u4f7f\u5f97\u65b9\u9635\u7684\u4e3b\u5bf9\u89d2\u7ebf(\u5de6\u4e0a\u89d2\u5230\u53f3\u4e0b\u89d2\u7684\u8fde\u7ebf)\u4e0a\u7684\u683c\u5b50\u5747\u4e3a\u9ed1<\/div>\n<div>\u8272\u3002\u5bf9\u4e8e\u67d0\u4e9b\u5173\u5361\uff0c\u5c0fQ\u767e\u601d\u4e0d\u5f97\u5176\u89e3\uff0c\u4ee5\u81f4\u4ed6\u5f00\u59cb\u6000\u7591\u8fd9\u4e9b\u5173\u5361\u662f\u4e0d\u662f\u6839\u672c\u5c31\u662f\u65e0\u89e3\u7684\uff01\uff01\u4e8e\u662f\u5c0fQ\u51b3\u5b9a\u5199\u4e00\u4e2a\u7a0b<\/div>\n<div>\u5e8f\u6765\u5224\u65ad\u8fd9\u4e9b\u5173\u5361\u662f\u5426\u6709\u89e3\u3002<\/div>\n<\/div>\n<h2><span class=\"ez-toc-section\" id=\"Input\"><\/span>Input<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<div class=\"content\">\n<div>\u3000\u3000\u7b2c\u4e00\u884c\u5305\u542b\u4e00\u4e2a\u6574\u6570T\uff0c\u8868\u793a\u6570\u636e\u7684\u7ec4\u6570\u3002\u63a5\u4e0b\u6765\u5305\u542bT\u7ec4\u6570\u636e\uff0c\u6bcf\u7ec4\u6570\u636e\u7b2c\u4e00\u884c\u4e3a\u4e00\u4e2a\u6574\u6570N\uff0c\u8868\u793a\u65b9\u9635\u7684\u5927<\/div>\n<div>\u5c0f\uff1b\u63a5\u4e0b\u6765N\u884c\u4e3a\u4e00\u4e2aN*N\u768401\u77e9\u9635\uff080\u8868\u793a\u767d\u8272\uff0c1\u8868\u793a\u9ed1\u8272\uff09\u3002<\/div>\n<\/div>\n<h2><span class=\"ez-toc-section\" id=\"Output\"><\/span>Output<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<div class=\"content\">\n<p>\u3000\u3000\u8f93\u51fa\u6587\u4ef6\u5e94\u5305\u542bT\u884c\u3002\u5bf9\u4e8e\u6bcf\u4e00\u7ec4\u6570\u636e\uff0c\u5982\u679c\u8be5\u5173\u5361\u6709\u89e3\uff0c\u8f93\u51fa\u4e00\u884cYes\uff1b\u5426\u5219\u8f93\u51fa\u4e00\u884cNo\u3002<\/p>\n<\/div>\n<h2><span class=\"ez-toc-section\" id=\"Sample_Input\"><\/span>Sample Input<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<div class=\"content\"><span class=\"sampledata\">2<br \/>\n2<br \/>\n0 0<br \/>\n0 1<br \/>\n3<br \/>\n0 0 1<br \/>\n0 1 0<br \/>\n1 0 0<\/span><\/div>\n<h2><span class=\"ez-toc-section\" id=\"Sample_Output\"><\/span>Sample Output<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<div class=\"content\"><span class=\"sampledata\">No<br \/>\nYes<br \/>\n\u3010\u6570\u636e\u89c4\u6a21\u3011<br \/>\n\u5bf9\u4e8e100%\u7684\u6570\u636e\uff0cN \u2264 200<\/span><\/div>\n<h2><span class=\"ez-toc-section\" id=\"HINT\"><\/span>HINT<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u6211\u4eec\u53ef\u4ee5\u53d1\u73b0\u65e0\u8bba\u8fd9\u4e48\u8c03\u6574<\/p>\n<p>\u539f\u5148\u4e00\u884c\u7684\u8fd8\u5728\u4e00\u884c\uff0c\u539f\u6765\u4e00\u5217\u7684\u8fd8\u5728\u4e00\u5217<\/p>\n<p>\u6240\u4ee5\u5c31\u662f\u76f8\u5f53\u4e8e\u5224\u65ad\u662f\u5426\u6709n\u4e2a\u70b9\u4e0d\u5728\u540c\u4e00\u884c\u548c\u540c\u4e00\u5217<\/p>\n<p>\u4e5f\u5c31\u662f\u627e\u6bcf\u4e2a\u6a2a\u5750\u6807\u662f\u5426\u5bf9\u5e94\u7684\u7eb5\u5750\u6807<\/p>\n<pre class=\"lang:c++ decode:true \">#include&lt;map&gt;\r\n#include&lt;cmath&gt;\r\n#include&lt;queue&gt;\r\n#include&lt;cstdio&gt;\r\n#include&lt;cstring&gt;\r\n#include&lt;iostream&gt;\r\n#include&lt;algorithm&gt;\r\nusing namespace std;\r\n#define ll long long\r\n#define N 210\r\ninline int rd()\r\n{\r\n    int x=0,f=1;char ch=getchar();\r\n    while(ch&lt;'0'||ch&gt;'9'){if(ch=='-')f=-1;ch=getchar();}\r\n    while(ch&gt;='0'&amp;&amp;ch&lt;='9'){x=x*10+ch-'0';ch=getchar();}\r\n    return x*f;\r\n}\r\nint t,n,m;\r\nbool mp[N][N],vs[N];\r\nint lj[N];\r\nbool find(int x)\r\n{\r\n    for(int i=1;i&lt;=n;i++)\r\n    {\r\n        if(mp[x][i]&amp;&amp;!vs[i])\r\n        {\r\n            vs[i]=1;\r\n            if(!lj[i]||find(lj[i]))\r\n            {\r\n                lj[i]=x;\r\n                return 1;\r\n            }\r\n        }\r\n    }\r\n    return 0;\r\n}\r\nbool sol()\r\n{\r\n    for(int i=1;i&lt;=n;i++)\r\n    {\r\n        memset(vs,0,sizeof(vs));\r\n        if(!find(i)) return 0;\r\n    }\r\n    return 1;\r\n}\r\nint main()\r\n{\r\n    t=rd();\r\n    while(t--)\r\n    {\r\n        memset(mp,0,sizeof(mp));\r\n        memset(lj,0,sizeof(lj));\r\n        n=rd();\r\n        for(int i=1;i&lt;=n;i++)\r\n        for(int j=1;j&lt;=n;j++)\r\n            if(rd()) mp[i][j]=1;\r\n        sol()?puts(\"Yes\"):puts(\"No\");\r\n    }\r\n    \r\n    return 0;\r\n}<\/pre>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>&nbsp; 1059: [ZJOI2007]\u77e9\u9635\u6e38\u620f Time Limit:\u00a010 Sec\u00a0\u00a0Memory  [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[12],"class_list":["post-506","post","type-post","status-publish","format-standard","hentry","category-bzoj","tag-12"],"_links":{"self":[{"href":"https:\/\/blog.kylelv.com\/index.php?rest_route=\/wp\/v2\/posts\/506","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.kylelv.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.kylelv.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.kylelv.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.kylelv.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=506"}],"version-history":[{"count":2,"href":"https:\/\/blog.kylelv.com\/index.php?rest_route=\/wp\/v2\/posts\/506\/revisions"}],"predecessor-version":[{"id":508,"href":"https:\/\/blog.kylelv.com\/index.php?rest_route=\/wp\/v2\/posts\/506\/revisions\/508"}],"wp:attachment":[{"href":"https:\/\/blog.kylelv.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=506"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.kylelv.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=506"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.kylelv.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=506"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}