Card game

#include <bits/stdc++.h>

#define ll long long
#define ull unsigned long long

#define pii pair<int, int>
#define pll pair<long long, long long>

#define defmod 1000000007
using namespace std;


int main(){
  int n; cin >> n;
  deque<ll> c;
  for(int i = 0; i < n; i++){
    ll ct; cin >> ct;
    c.push_back(ct);
    
  }
  sort(c.begin(), c.end());
  ll re = 0;
  while(c.size() > 2){
    c.pop_back();
    re+=c.back();
    c.pop_back();
    re+=c.back();
    c.pop_back();
  } 
  cout << re << endl;
  return 0;
}

Test 1

Verdict: UNKNOWN

Test 2

Verdict: UNKNOWN

Test 3

Verdict: UNKNOWN

Test 4

Verdict: UNKNOWN

Test 5

Verdict: UNKNOWN

Test 6

Verdict: UNKNOWN

Test 7

Verdict: UNKNOWN

Test 8

Verdict: UNKNOWN

Test 9

Verdict: UNKNOWN

Test 10

Verdict: UNKNOWN

Test 11

Verdict: UNKNOWN

Test 12

Verdict: UNKNOWN

Test 13

Verdict: UNKNOWN

Test 14

Verdict: UNKNOWN

Test 15

Verdict: UNKNOWN

Test 16

Verdict: UNKNOWN

Test 17

Verdict: UNKNOWN

Test 18

Verdict: UNKNOWN