Jakkara

#include <iostream>
#include <stdio.h>
#include <algorithm>

using namespace std;

int main(int argc, char* argv[])
{
	ios_base::sync_with_stdio(false);
	int f[4];
	cin >> f[0] >> f[1] >> f[2] >> f[3];
	sort(begin(f), end(f));
	int k = (f[0] + f[1] + f[2] + f[3]) / 4;
	//cout << k << endl;
	if (f[2] < k)
		k = f[2];
	int e = 0;
	for (int i = 0; i < 4; i++){
		if ((k - f[i]) < 0)
			e += (f[i] - k);
		else
			e += (k - f[i]);
	}
	cout << e << "\n";
	//system("pause");
	return 0;
}

Test 1

Group: 1

Verdict: ACCEPTED

Test 2

Group: 1

Verdict: WRONG ANSWER

Test 3

Group: 1

Verdict: WRONG ANSWER

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: ACCEPTED

Test 13

Group: 3

Verdict: WRONG ANSWER

Test 14

Group: 3

Verdict: WRONG ANSWER

Test 15

Group: 3

Verdict: ACCEPTED