Submission #4678667

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Source Code Expand

#include<cstdio>
#include<cstdlib>
#include<algorithm>
#include<iostream>
#include<queue>
#include<vector>
#include<stack>
using namespace std;
typedef long long ll;

int main(){
  int N,L[1000],ans=0;
  cin>>N;
  for(int i=0;i<2*N;i++){
    cin>>L[i];
  }
  sort(L,L+2*N);
  for(int i=0;i<2*N;i+=2){
    ans+=L[i];
  }
  cout<<ans<<endl;
}

Submission Info

Judge Result