Jakkara

import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Scanner;

public class Jakkara {

    public static void main(String[] args) {
        
        Scanner input = new Scanner(System.in);

        List<Long> jalat = new ArrayList<Long>();
        List<Long> tulos = new ArrayList<Long>();

        jalat.add(input.nextLong());
        jalat.add(input.nextLong());
        jalat.add(input.nextLong());
        jalat.add(input.nextLong());

	Collections.sort(jalat);

	tulos.add((jalat.get(3) - jalat.get(2)) + (jalat.get(3) - jalat.get(1)) + (jalat.get(3) - jalat.get(0)));
	tulos.add((jalat.get(3) - jalat.get(2)) + (jalat.get(2) - jalat.get(1)) + (jalat.get(2) - jalat.get(0)));
	tulos.add((jalat.get(3) - jalat.get(1)) + (jalat.get(2) - jalat.get(1)) + (jalat.get(1) - jalat.get(0)));
	tulos.add((jalat.get(3) - jalat.get(0)) + (jalat.get(2) - jalat.get(0)) + (jalat.get(1) - jalat.get(0)));

	Collections.sort(tulos);
        
	System.out.println(tulos.get(0));
		
    }
}

Test 1

Group: 1

Verdict: ACCEPTED

Test 2

Group: 1

Verdict: ACCEPTED

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: ACCEPTED

Test 11

Group: 3

Verdict: ACCEPTED

Test 12

Group: 3

Verdict: ACCEPTED

Test 13

Group: 3

Verdict: ACCEPTED

Test 14

Group: 3

Verdict: ACCEPTED

Test 15

Group: 3

Verdict: ACCEPTED