Uva 10041 - Vito's Family

#include<bits/stdc++.h>

using namespace std;

int main()

{

int n,m,i,j,ad[501],k;

vector<int>v;

cin >> n;

while(n--){

cin >> m;

for( i = 0 ; i < m ; i++ ) {

cin >> k;

v.push_back(k);

}

unsigned long t_v = 5000*30000;

for ( i = 0 ; i < m ; i++ ) {

unsigned long c = 0;

for ( j = 0; j < m; j++) {

c += abs (v[i] - v[j]);

}

t_v = min(t_v,c);

}

cout  << t_v  << endl;

v.clear();

}

return 0;

}