Jakkara

import java.util.ArrayList;
import java.util.List;
import java.util.Scanner;
 
 
public class main {
    public static void main(String args[]) {
        int a,b,c,d,energia = 0, erotus, samoja = 0 , lisays, edellinen = 0 , ka, summa = 0;
        List<Integer> numbers = new ArrayList();
        List<Integer> samat = new ArrayList();
        Scanner scanner = new Scanner(System.in);
        
        //System.out.println("Syöte: ");
        
        a = scanner.nextInt();
        b = scanner.nextInt();
        c = scanner.nextInt();
        d = scanner.nextInt();
        
        numbers.add(a);
        numbers.add(b);
        numbers.add(c);
        numbers.add(d);
 
        summa = a + b + c + d;
        ka = summa / 4;
        //System.out.println("Keskiarvo: " + ka);
        
        edellinen = numbers.get(0);
        int kierrokset = 0;
        
            while(kierrokset != 4) {
                if(edellinen == numbers.get(kierrokset) && kierrokset == 0) {
                   samoja++;
                } else if(edellinen == numbers.get(kierrokset)){
                    samoja++;
                    samat.add(numbers.get(kierrokset));
                } else {
                    for(int sama : samat) {
                        if(numbers.get(kierrokset) == sama) {
                            samoja++;
                        }
                    }
                }
                
                if(samoja < 2) {
                    if(numbers.get(kierrokset) >= ka) {
                        erotus = (ka - numbers.get(kierrokset)) * -1;
                        //System.out.println("Erotus: " + erotus);
                        energia += erotus;
                    }
 
                    else if(numbers.get(kierrokset) <= ka) {
                        lisays = (numbers.get(kierrokset) - ka) * -1;
                        //System.out.println("Lisäys: " + lisays);
                        energia += lisays;
                    }
                    }
                    edellinen = numbers.get(kierrokset);
                    kierrokset++;
                }
    
        
        System.out.println(energia);
        //System.out.println("Samoja: " + samoja);
        
    }
}

Test 1

Group: 1

Verdict: ACCEPTED

Test 2

Group: 1

Verdict: WRONG ANSWER

Test 3

Group: 1

Verdict: ACCEPTED

Test 4

Group: 1

Verdict: ACCEPTED

Test 5

Group: 1

Verdict: ACCEPTED

Test 6

Group: 2

Verdict: ACCEPTED

Test 7

Group: 2

Verdict: ACCEPTED

Test 8

Group: 2

Verdict: ACCEPTED

Test 9

Group: 2

Verdict: ACCEPTED

Test 10

Group: 2

Verdict: WRONG ANSWER

Test 11

Group: 3

Verdict: WRONG ANSWER

Test 12

Group: 3

Verdict: WRONG ANSWER

Test 13

Group: 3

Verdict: WRONG ANSWER

Test 14

Group: 3

Verdict: WRONG ANSWER

Test 15

Group: 3

Verdict: WRONG ANSWER