Submission #3426539

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Source Code Expand

#include <iostream>
#include <iomanip>
#include <stdio.h>
#include <string>
#include <algorithm>
#include <vector>
#include <queue>
#include <set>
#include <map>
#include <functional>
#include <math.h>
using namespace std;

int main() {
  int N; cin >> N;
  vector<int> a(N);
  for (int i = 0; i < N; i++) cin >> a[i];
  sort(a.begin(), a.end(), greater<int>());
  int x = 0, ans = 0;
  while (x < N) {
    ans += a[x];
    x += 2;
  }
  cout << ans << endl;
}

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