{"id":163,"date":"2010-03-19T21:27:00","date_gmt":"2010-03-19T13:27:00","guid":{"rendered":"http:\/\/localhost\/?p=163"},"modified":"2010-03-19T21:27:00","modified_gmt":"2010-03-19T13:27:00","slug":"scoi2005_busy_city","status":"publish","type":"post","link":"https:\/\/www.shuizilong.com\/wjmzbmr\/?p=163","title":{"rendered":"[SCOI2005]\u7e41\u5fd9\u7684\u90fd\u5e02"},"content":{"rendered":"<p> <a target=\"_blank\" href=\"http:\/\/61.187.179.132:8080\/JudgeOnline\/showproblem?problem_id=1083\">61.187.179.132:8080\/JudgeOnline\/showproblem<\/a><\/p>\n<p>[SCOI2005]\u7e41\u5fd9\u7684\u90fd\u5e02<\/p>\n<p>Time Limit:10000MS&#160; Memory Limit:165536K<br \/>Total Submit:20 Accepted:16 <br \/>Case Time Limit:1000MS<\/p>\n<p><strong>Description <\/strong><\/p>\n<p>\u57ce\u5e02C\u662f\u4e00\u4e2a\u975e\u5e38\u7e41\u5fd9\u7684\u5927\u90fd\u5e02\uff0c\u57ce\u5e02\u4e2d\u7684\u9053\u8def\u5341\u5206\u7684\u62e5\u6324\uff0c\u4e8e\u662f\u5e02\u957f\u51b3\u5b9a\u5bf9\u5176\u4e2d\u7684\u9053\u8def\u8fdb\u884c\u6539\u9020\u3002\u57ce\u5e02C\u7684\u9053\u8def\u662f\u8fd9\u6837\u5206\u5e03\u7684\uff1a\u57ce\u5e02\u4e2d\u6709n\u4e2a\u4ea4\u53c9\u8def\u53e3\uff0c \u6709\u4e9b\u4ea4\u53c9\u8def\u53e3\u4e4b\u95f4\u6709\u9053\u8def\u76f8\u8fde\uff0c\u4e24\u4e2a\u4ea4\u53c9\u8def\u53e3\u4e4b\u95f4\u6700\u591a\u6709\u4e00\u6761\u9053\u8def\u76f8\u8fde\u63a5\u3002\u8fd9\u4e9b\u9053\u8def\u662f\u53cc\u5411\u7684\uff0c\u4e14\u628a\u6240\u6709\u7684\u4ea4\u53c9\u8def\u53e3\u76f4\u63a5\u6216\u95f4\u63a5\u7684\u8fde\u63a5\u8d77\u6765\u4e86\u3002\u6bcf\u6761\u9053\u8def\u90fd\u6709\u4e00\u4e2a\u5206 \u503c\uff0c\u5206\u503c\u8d8a\u5c0f\u8868\u793a\u8fd9\u4e2a\u9053\u8def\u8d8a\u7e41\u5fd9\uff0c\u8d8a\u9700\u8981\u8fdb\u884c\u6539\u9020\u3002\u4f46\u662f\u5e02\u653f\u5e9c\u7684\u8d44\u91d1\u6709\u9650\uff0c\u5e02\u957f\u5e0c\u671b\u8fdb\u884c\u6539\u9020\u7684\u9053\u8def\u8d8a\u5c11\u8d8a\u597d\uff0c\u4e8e\u662f\u4ed6\u63d0\u51fa\u4e0b\u9762\u7684\u8981\u6c42\uff1a <br \/>1\uff0e \u6539\u9020\u7684\u90a3\u4e9b\u9053\u8def\u80fd\u591f\u628a\u6240\u6709\u7684\u4ea4\u53c9\u8def\u53e3\u76f4\u63a5\u6216\u95f4\u63a5\u7684\u8fde\u901a\u8d77\u6765\u3002 <br \/>2\uff0e \u5728\u6ee1\u8db3\u8981\u6c421\u7684\u60c5\u51b5\u4e0b\uff0c\u6539\u9020\u7684\u9053\u8def\u5c3d\u91cf\u5c11\u3002 <br \/>3\uff0e \u5728\u6ee1\u8db3\u8981\u6c421\u30012\u7684\u60c5\u51b5\u4e0b\uff0c\u6539\u9020\u7684\u90a3\u4e9b\u9053\u8def\u4e2d\u5206\u503c\u6700\u5927\u7684\u9053\u8def\u5206\u503c\u5c3d\u91cf\u5c0f\u3002 <br \/>\u4efb\u52a1\uff1a\u4f5c\u4e3a\u5e02\u89c4\u5212\u5c40\u7684\u4f60\uff0c\u5e94\u5f53\u4f5c\u51fa\u6700\u4f73\u7684\u51b3\u7b56\uff0c\u9009\u62e9\u90a3\u4e9b\u9053\u8def\u5e94\u5f53\u88ab\u4fee\u5efa\u3002 <\/p>\n<p><strong>Input <\/strong><\/p>\n<p> \u7b2c\u4e00\u884c\u6709\u4e24\u4e2a\u6574\u6570n,m\u8868\u793a\u57ce\u5e02\u6709n\u4e2a\u4ea4\u53c9\u8def\u53e3\uff0cm\u6761\u9053\u8def\u3002\u63a5\u4e0b\u6765m\u884c\u662f\u5bf9\u6bcf\u6761\u9053\u8def\u7684\u63cf\u8ff0\uff0cu, v,  c\u8868\u793a\u4ea4\u53c9\u8def\u53e3u\u548cv\u4e4b\u95f4\u6709\u9053\u8def\u76f8\u8fde\uff0c\u5206\u503c\u4e3ac\u3002(1\u2264n\u2264300\uff0c1\u2264c\u226410000) <\/p>\n<p><strong>Output <\/strong><\/p>\n<p> \u4e24\u4e2a\u6574\u6570s, max\uff0c\u8868\u793a\u4f60\u9009\u51fa\u4e86\u51e0\u6761\u9053\u8def\uff0c\u5206\u503c\u6700\u5927\u7684\u90a3\u6761\u9053\u8def\u7684\u5206\u503c\u662f\u591a\u5c11\u3002 <\/p>\n<p><strong>Sample Input <\/strong><\/p>\n<p>4 5<br \/>1 2 3<br \/>1 4 5<br \/>2 4 7<br \/>2 3 6<br \/>3 4 8<\/p>\n<p><strong>Sample Output <\/strong><\/p>\n<p>3 6<\/p>\n<p><strong>Source <\/strong><\/p>\n<p>\u6c34\u9898\uff01\u8fb9\u6392\u5e8f\u4e4b\u540e\u76f4\u63a5\u5e76\u67e5\u96c6<br \/>\u4ee3\u7801\u6700\u77ed\u901f\u5ea6\u7b2c\u4e8c(*^__^*) <br \/>Code\uff1a<br \/>#include&lt;cstdio&gt;<br \/>#include&lt;algorithm&gt;<br \/>#include&lt;vector&gt;<br \/>#define rep(i,n) for(int i=0;i&lt;n;i++)<br \/>#define all(x) x.begin(),x.end()<br \/>#define pb push_back<br \/>using namespace std;<br \/>typedef pair&lt;int,int&gt; ii;<br \/>typedef pair&lt;int,ii&gt; edge;<br \/>vector&lt;edge&gt; E;<br \/>vector&lt;int&gt; F;<br \/>int find(int x){return F[x]==x?x:(F[x]=find(F[x]));}<br \/>int main()<br \/>{<br \/>    int n,m,s,t,c,ans;<br \/>    scanf(&quot;%d %d&quot;,&amp;n,&amp;m);<br \/>    rep(i,n) F.pb(i);<br \/>    rep(i,m)scanf(&quot;%d %d %d&quot;,&amp;s,&amp;t,&amp;c),E.pb(edge(c,ii(s-1,t-1)));<br \/>    sort(all(E));<br \/>    rep(i,m)<br \/>    {<br \/>        int a=find(E[i].second.first),b=find(E[i].second.second);<br \/>        if(a!=b) F[a]=b,ans=E[i].first;<br \/>    }<br \/>    printf(&quot;%d %dn&quot;,n-1,ans);<br \/>} <\/p>\n","protected":false},"excerpt":{"rendered":"<p>61.187.179.132:8080\/JudgeOnline\/showproblem [SCOI2005]\u7e41\u5fd9\u7684\u90fd\u5e02 Time Limit:10000MS&#160; Memory Limit:165536KTotal Submit:20 Accepted:16 Case Time Limit:1000MS Description \u57ce\u5e02C\u662f\u4e00\u4e2a\u975e\u5e38\u7e41\u5fd9\u7684\u5927\u90fd\u5e02\uff0c\u57ce\u5e02\u4e2d\u7684\u9053\u8def\u5341\u5206\u7684\u62e5\u6324\uff0c\u4e8e\u662f\u5e02\u957f\u51b3\u5b9a\u5bf9\u5176\u4e2d\u7684\u9053\u8def\u8fdb\u884c\u6539\u9020\u3002\u57ce\u5e02C\u7684\u9053\u8def\u662f\u8fd9\u6837\u5206\u5e03\u7684\uff1a\u57ce\u5e02\u4e2d\u6709n\u4e2a\u4ea4\u53c9\u8def\u53e3\uff0c \u6709\u4e9b\u4ea4\u53c9\u8def\u53e3\u4e4b\u95f4\u6709\u9053\u8def\u76f8\u8fde\uff0c\u4e24\u4e2a\u4ea4\u53c9\u8def\u53e3\u4e4b\u95f4\u6700\u591a\u6709\u4e00\u6761\u9053\u8def\u76f8\u8fde\u63a5\u3002\u8fd9\u4e9b\u9053\u8def\u662f\u53cc\u5411\u7684\uff0c\u4e14\u628a\u6240\u6709\u7684\u4ea4\u53c9\u8def\u53e3\u76f4\u63a5\u6216\u95f4\u63a5\u7684\u8fde\u63a5\u8d77\u6765\u4e86\u3002\u6bcf\u6761\u9053\u8def\u90fd\u6709\u4e00\u4e2a\u5206 \u503c\uff0c\u5206\u503c\u8d8a\u5c0f\u8868\u793a\u8fd9\u4e2a\u9053\u8def\u8d8a\u7e41\u5fd9\uff0c\u8d8a\u9700\u8981\u8fdb\u884c\u6539\u9020\u3002\u4f46\u662f\u5e02\u653f\u5e9c\u7684\u8d44\u91d1\u6709\u9650\uff0c\u5e02\u957f\u5e0c\u671b\u8fdb\u884c\u6539\u9020\u7684\u9053\u8def\u8d8a\u5c11\u8d8a\u597d\uff0c\u4e8e\u662f\u4ed6\u63d0\u51fa\u4e0b\u9762\u7684\u8981\u6c42\uff1a 1\uff0e \u6539\u9020\u7684\u90a3\u4e9b\u9053\u8def\u80fd\u591f\u628a\u6240\u6709\u7684\u4ea4\u53c9\u8def\u53e3\u76f4\u63a5\u6216\u95f4\u63a5\u7684\u8fde\u901a\u8d77\u6765\u3002 2\uff0e \u5728\u6ee1\u8db3\u8981\u6c421\u7684\u60c5\u51b5\u4e0b\uff0c\u6539\u9020\u7684\u9053\u8def\u5c3d\u91cf\u5c11\u3002 3\uff0e \u5728\u6ee1\u8db3\u8981\u6c421\u30012\u7684\u60c5\u51b5\u4e0b\uff0c\u6539\u9020\u7684\u90a3\u4e9b\u9053\u8def\u4e2d\u5206\u503c\u6700\u5927\u7684\u9053\u8def\u5206\u503c\u5c3d\u91cf\u5c0f\u3002 \u4efb\u52a1\uff1a\u4f5c\u4e3a\u5e02\u89c4\u5212\u5c40\u7684\u4f60\uff0c\u5e94\u5f53\u4f5c\u51fa\u6700\u4f73\u7684\u51b3\u7b56\uff0c\u9009\u62e9\u90a3\u4e9b\u9053\u8def\u5e94\u5f53\u88ab\u4fee\u5efa\u3002 Input \u7b2c\u4e00\u884c\u6709\u4e24\u4e2a\u6574\u6570n,m\u8868\u793a\u57ce\u5e02\u6709n\u4e2a\u4ea4\u53c9\u8def\u53e3\uff0cm\u6761\u9053\u8def\u3002\u63a5\u4e0b\u6765m\u884c\u662f\u5bf9\u6bcf\u6761\u9053\u8def\u7684\u63cf\u8ff0\uff0cu, v, c\u8868\u793a\u4ea4\u53c9\u8def\u53e3u\u548cv\u4e4b\u95f4\u6709\u9053\u8def\u76f8\u8fde\uff0c\u5206\u503c\u4e3ac\u3002(1\u2264n\u2264300\uff0c1\u2264c\u226410000) Output \u4e24\u4e2a\u6574\u6570s, max\uff0c\u8868\u793a\u4f60\u9009\u51fa\u4e86\u51e0\u6761\u9053\u8def\uff0c\u5206\u503c\u6700\u5927\u7684\u90a3\u6761\u9053\u8def\u7684\u5206\u503c\u662f\u591a\u5c11\u3002 Sample Input 4 51 2 31 4 52 4 72 3 63 4 8 Sample Output 3 6 Source \u6c34\u9898\uff01\u8fb9\u6392\u5e8f\u4e4b\u540e\u76f4\u63a5\u5e76\u67e5\u96c6\u4ee3\u7801\u6700\u77ed\u901f\u5ea6\u7b2c\u4e8c(*^__^*) Code\uff1a#include&lt;cstdio&gt;#include&lt;algorithm&gt;#include&lt;vector&gt;#define rep(i,n) for(int i=0;i&lt;n;i++)#define all(x) x.begin(),x.end()#define [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[10],"tags":[],"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/www.shuizilong.com\/wjmzbmr\/index.php?rest_route=\/wp\/v2\/posts\/163"}],"collection":[{"href":"https:\/\/www.shuizilong.com\/wjmzbmr\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.shuizilong.com\/wjmzbmr\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.shuizilong.com\/wjmzbmr\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.shuizilong.com\/wjmzbmr\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=163"}],"version-history":[{"count":0,"href":"https:\/\/www.shuizilong.com\/wjmzbmr\/index.php?rest_route=\/wp\/v2\/posts\/163\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.shuizilong.com\/wjmzbmr\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=163"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.shuizilong.com\/wjmzbmr\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=163"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.shuizilong.com\/wjmzbmr\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=163"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}