Card game

#include <iostream>
#include <deque>
#include <algorithm>

typedef long long ll;
typedef unsigned long long ull;
typedef long double ld;
typedef std::string str;

using namespace std;

int main() {
    int n;
    cin >> n;
    deque<int> c;
    for(int i=0; i<n; i++) {
      int cur;
      cin >> cur;
      c.push_back(cur);
    }
    sort(c.begin(), c.end());
    reverse(c.begin(), c.end());
    ll res = 0;
    for(int i=0; i<n-(n%3); i++) {
      if(i%3 != 0)
        res += c[i];
    }
    cout << res << endl;
}

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