Jakkara

#include <iostream>
#include <vector>
#include <map>
#include <string>
#include <algorithm>
#include <utility>

using namespace std;

typedef long long LL;

int main(){
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    vector<LL> legs;
    for(int i = 0; i < 4; i++){
        LL x; cin >> x; legs.push_back(x);
    }
    sort(legs.begin(), legs.end());
    LL ans = 0;
    ans += abs(legs[0] - legs[1]);
    ans += abs(legs[2] - legs[1]);
    ans += abs(legs[3] - legs[1]);
    cout << ans << endl;
}

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