Submission #3052684

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Source Code Expand

#include<bits/stdc++.h>
using namespace std;
int a[100001];
int main()
{
  int n,i,ans=0;	
  cin>>n;
  n*=2;
  for(i=1;i<=n;i++)
    cin>>a[i];
  sort(a+1,a+n+1);    
  for(i=1;i<=n;i+=2)
    ans+=a[i];
  cout<<ans<<endl;
  return 0;
}

Submission Info

Judge Result