Submission #8828129

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Source Code Expand

#include<bits/stdc++.h>
using namespace std;
int main()
{
	int n;cin>>n;
	vector<int>vec(n*2);
	for(int i=0;i<2*n;i++) cin>>vec[i];
	sort(vec.begin(),vec.end());
	int sum=0;
	for(int i=0;i<2*n;i+=2){
		sum+=vec[i];
	} 
	cout<<sum<<'\n';
	return 0;
}

Submission Info

Judge Result