{"id":543,"date":"2018-12-31T19:41:46","date_gmt":"2018-12-31T11:41:46","guid":{"rendered":"http:\/\/SmokeyDays.top\/wordpress\/?p=543"},"modified":"2018-12-31T19:41:46","modified_gmt":"2018-12-31T11:41:46","slug":"lp1129-zjoi2007-%e7%9f%a9%e9%98%b5%e6%b8%b8%e6%88%8f","status":"publish","type":"post","link":"http:\/\/SmokeyDays.top\/wordpress\/2018\/12\/31\/lp1129-zjoi2007-%e7%9f%a9%e9%98%b5%e6%b8%b8%e6%88%8f\/","title":{"rendered":"lp1129 ZJOI2007 \u77e9\u9635\u6e38\u620f"},"content":{"rendered":"\n<p>\u63d0\u793a\uff1a\u884c\u5217\u5339\u914d\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<p>\u5f53\u77e5\u9053\u8fd9\u4e00\u9898\u662f\u884c\u5217\u5339\u914d\u4e4b\u540e\uff0c\u505a\u6cd5\u5c31\u975e\u5e38\u663e\u7136\u4e86\u3002<br>\n\u6211\u4eec\u89c2\u5bdf\u53d1\u73b0\uff0c\u5982\u679c\u5c06\u6bcf\u4e2a\u884c\u4e0e\u6bcf\u4e2a\u5217\u6807\u4e0a\u5e8f\u53f7\u7684\u8bdd\uff0c\u9898\u76ee\u7684\u8981\u6c42\u5c31\u662f\u6c42\u4e24\u4e2a\u6392\u5217\uff0c\u4f7f\u5f97\u9ed1\u683c\u5b50\u6392\u5728\u4e3b\u5bf9\u89d2\u7ebf\u4e0a\u3002<br>\n\u7136\u540e\u6211\u4eec\u8003\u8651\u6bcf\u4e00\u4e2a\u9ed1\u683c\u5b50\uff0c\u6211\u4eec\u53d1\u73b0\uff0c\u5728\u6700\u7ec8\u60c5\u51b5\u4e0b\u7684\u6bcf\u4e00\u4e2a\u9ed1\u683c\u5b50\uff0c\u5b83\u6240\u5728\u7684\u884c\u7684\u5e8f\u53f7\u548c\u5217\u7684\u5e8f\u53f7\u5747\u4e0e\u5f00\u59cb\u65f6\u7684\u5e8f\u53f7\u76f8\u540c\u3002<br>\n\u6545\u800c\uff0c\u6240\u6c42\u7684\u4e24\u4e2a\u6392\u5217\u4e2d\uff0c\u76f8\u540c\u4f4d\u7f6e\u7684\u884c\u548c\u5217\u5728\u5f00\u59cb\u65f6\u7684\u4ea4\u70b9\u5fc5\u7136\u662f\u9ed1\u8272\u7684\u3002<br>\n\u6240\u4ee5\uff0c\u6bcf\u4e2a\u9ed1\u683c\u5b50\u5c31\u5728\u884c\u5217\u4e4b\u95f4\u8fde\u4e00\u6761\u8fb9\uff0c\u7528\u884c\u6765\u5339\u914d\u5217\uff0c\u5982\u679c\u90fd\u80fd\u4e00\u4e00\u5339\u914d\u5219\u8bf4\u660e\u6709\u89e3\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>#include&lt;iostream>\n#include&lt;cstdio>\nint mp[205][205];\nint n,usd[205],vis[205],dep;\ninline bool dfs(int X){\n\tfor(int i=1;i&lt;=n;++i){\n\t\tif(!mp[X][i]){\n\t\t\tcontinue;\n\t\t}\n\t\tif(vis[i]!=dep){\n\t\t\tvis[i]=dep;\n\t\t\tif(!usd[i]||dfs(usd[i])){\n\t\t\t\tusd[i]=X;\n\t\t\t\treturn 1;\n\t\t\t}\n\t\t}\n\t}\n\treturn 0;\n} \nvoid init(){\n\tscanf(\"%d\",&amp;n);\n\tfor(int i=1;i&lt;=n;++i){\n\t\tusd[i]=0,vis[i]=0;\n\t\tfor(int j=1;j&lt;=n;++j){\n\t\t\tscanf(\"%d\",&amp;mp[i][j]);\n\t\t}\n\t}\n\tdep=0;\n\tfor(int i=1;i&lt;=n;++i){\n\t\t++dep;\n\t\tif(!dfs(i)){\n\t\t\tputs(\"No\");\n\t\t\treturn;\n\t\t}\n\t}\n\tputs(\"Yes\");\n}\n\nint main(){\n\tint T;\n\tscanf(\"%d\",&amp;T);\n\twhile(T--){\n\t\tinit();\n\t}\n\treturn 0;\n}<\/code><\/pre>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63d0\u793a\uff1a\u884c\u5217\u5339\u914d\u3002 \u5f53\u77e5\u9053\u8fd9\u4e00\u9898\u662f\u884c\u5217\u5339\u914d\u4e4b\u540e\uff0c\u505a\u6cd5\u5c31\u975e\u5e38\u663e\u7136\u4e86\u3002 \u6211\u4eec\u89c2\u5bdf\u53d1\u73b0\uff0c\u5982\u679c\u5c06\u6bcf\u4e2a\u884c\u4e0e\u6bcf\u4e2a\u5217\u6807\u4e0a\u5e8f\u53f7\u7684 &hellip; <\/p>\n<p class=\"link-more\"><a href=\"http:\/\/SmokeyDays.top\/wordpress\/2018\/12\/31\/lp1129-zjoi2007-%e7%9f%a9%e9%98%b5%e6%b8%b8%e6%88%8f\/\" class=\"more-link\">\u7ee7\u7eed\u9605\u8bfb<span class=\"screen-reader-text\">\u201clp1129 ZJOI2007 \u77e9\u9635\u6e38\u620f\u201d<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[65,30,8,9,6,5],"tags":[],"_links":{"self":[{"href":"http:\/\/SmokeyDays.top\/wordpress\/wp-json\/wp\/v2\/posts\/543"}],"collection":[{"href":"http:\/\/SmokeyDays.top\/wordpress\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/SmokeyDays.top\/wordpress\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/SmokeyDays.top\/wordpress\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/SmokeyDays.top\/wordpress\/wp-json\/wp\/v2\/comments?post=543"}],"version-history":[{"count":1,"href":"http:\/\/SmokeyDays.top\/wordpress\/wp-json\/wp\/v2\/posts\/543\/revisions"}],"predecessor-version":[{"id":544,"href":"http:\/\/SmokeyDays.top\/wordpress\/wp-json\/wp\/v2\/posts\/543\/revisions\/544"}],"wp:attachment":[{"href":"http:\/\/SmokeyDays.top\/wordpress\/wp-json\/wp\/v2\/media?parent=543"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/SmokeyDays.top\/wordpress\/wp-json\/wp\/v2\/categories?post=543"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/SmokeyDays.top\/wordpress\/wp-json\/wp\/v2\/tags?post=543"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}