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被阴了用拓扑一边输入一边算度还要判重....

Posted by lovelove at 2009-05-01 11:46:49 on Problem 3687 
scanf("%d %d",&a,&b);
        if(adj[a][b]==0)
        {
        adj[a][b]=1;
        deg[a]++;
        }
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