Jan’s LightOJ :: 1294 - Positive Negative Sign Solution

1294 - Positive Negative Sign

#include <stdio.h>

int main()
{
        int T,i;
        long long n,m;
        scanf("%d",&T);
        for(i =0; i<T;i++)
        {
                scanf("%ld%ld",&n,&m);
                printf("Case %d: %lld\n",i+1,(m*(n/2)));

        }
        return 0;

}