Card game

import java.util.ArrayList;
import java.util.Collections;

public class CSES {
    
    public static void main(String[] args) {
        // TODO code application logic here
        IO io = new IO();
        ArrayList<Integer> poyta = new ArrayList<>();
        int quantity = io.nextInt();
        int max = 0;
        int result = 0;
        for (int i = 0; i < quantity; i++) {
            poyta.add(io.nextInt());
        }
        Collections.sort(poyta);
        while (poyta.size() % 3 != 0) {
            poyta.remove(0);
        }
        
        while (!poyta.isEmpty()) {
            max = poyta.get(poyta.size() - 1);
            result += max;
            poyta.remove(poyta.size() - 1);
            
            for (int i = 0; i < 2; i++) {
                result += poyta.get(poyta.size() - 1);
                if (poyta.get(poyta.size() - 1) > max) {
                    max = poyta.get(poyta.size() - 1);
                }
                poyta.remove(poyta.size() -1);
            }
            result -= max;
        }
        
        System.out.println(result);
        io.close();
    }
    
}

Test 1

Verdict: UNKNOWN

Test 2

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Test 3

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Test 4

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Test 5

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Test 6

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Test 7

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Test 8

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Test 9

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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