poj

http://poj.org/problem?id=2239spa #include<cstdio> #include<cstring> #define N 1000 using namespace std; int a[N][N],w,c,v[N],t,iswho[N],i,j,n,m,ans; int dfs(int x){ for (int i=1;i<=7*12;i++){ if (

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