Tuesday 22 January 2013

1025. Fashion Shows Problem code: FASHION

#include<cstdio>
#include<iostream>
#include<algorithm>
#define FOR(i,n) for(i=0;i<n;i++)
#define S(N) scanf("%d", &N)
#define ST(a,N) sort(a, a+ N)
using namespace std;
int main()
{
    int test, N, M, ans, i ,men[1001], women[1001];
    S(test);
    while (test--)
    {
         ans = 0;
         S(N);

         FOR(i,N)
                 S(men[i]);

         FOR(i,N)
                 S(women[i]);

         ST(men,N);
         ST(women,N);

         FOR(i,N)
                 ans += men[i] * women[i];
         printf("%d\n", ans);
    }
        return 0;
}

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