Submission #1859744

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Source Code Expand

#include <iostream>
#include <bits/stdc++.h>
using namespace std;
int main()
{
	int n;
	cin >> n;
	int a[2*n];
	for(int i=0;i<2*n;i++)
	cin>>a[i];
	int s=0;
	sort(a,a+2*n);
	for(int i=0;i<2*n;i++)
	s=s+((a[i]>a[i+1])?a[i+1]:a[i]);
	cout << s;

}

Submission Info

Judge Result