Submission #2239915

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Source Code Expand

#include <iostream>
#include <algorithm>
using namespace std;

int main() {
  int N;
  cin>>N;
  int a[N];
  for (int i=0; i<N; i++) {
    cin>>a[i];
  }
  sort(a,a+N,greater<int>());
  int Alice=0,Bob=0;
  for (int i=0; i<N; i++) {
    if (i%2==0) {
      Alice+=a[i];
    } else {
      Bob+=a[i];
    }
  }
  cout<<Alice-Bob<<endl;
  return 0;
}

Submission Info

Judge Result