View Code of Problem 3702

#include<stdio.h>
#include<string.h>

int main()
{
    int T,N=0;
    scanf("%d",&T);
    while(T--)
    {
        N++;
        int n,m;
        int u,v,d,b;
        int x[207],y[207];
        int i,j;
        scanf("%d%d",&n,&m);
        memset(x,0,sizeof(x));
        memset(y,0,sizeof(y));
        for(i=0;i<m;i++)
        {
            scanf("%d%d%d%d",&u,&v,&d,&b);
            x[u] += d;
            y[v] += (d+b);
        }
        for(i=0;i<n;i++)
        {
            if(x[i]>y[i])   break;
        }
        if(i==m)    printf("Case #%d: happy\n",N);
        else printf("Case #%d: unhappy\n",N);
    }
}

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