Card game

#include <iostream>
#include <vector>
#include <fstream>
#include <algorithm>
#include <string>
#define N 2048

using namespace std;

int main() {
    int n;
    cin>>n;

    vector<long> v(n);
    for (int i = 0; i < n; i++) cin>>v[i];
    sort(v.rbegin(), v.rend());
    long s = 0;
    for (int i = 0; i < n / 3; i++) s += v[i*3+1] + v[i*3 + 2];

    cout<<s<<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