Codeforces 1092B. Teams Forming Solution


Solve in C++:

//AH Tonmoy
//Department of CSE ,Islamic University
#include<bits/stdc++.h>
using namespace std;
int main()
{
    int n,ar[1000],i,j,s=0;
    while(cin>>n)
    {
        for(i=0; i<n; i++)
        {
            cin>>ar[i];
        }
        sort(ar,ar+n);
        for(i=0; i<n; i=i+2)
        {
            s=s+abs(ar[i+1]-ar[i]);
        }
         cout<<s<<endl;
            s=0;
    }
}

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