Codeforces 1272A. Three Friends Solution

1. Solve in C++:
2. ///**********ALLAH IS ALMIGHTY************///
3. ///AH Tonmoy
4. ///Department of CSE,23rd batch
5. ///Islamic University,Bangladesh
6. #include<bits/stdc++.h>
7. using namespace std;
8. int main()
9. {
10. int a,b,c,t;
11. cin>>t;
12. while(t--)
13. {
14. cin>>a>>b>>c;
15. cout<<max((abs(a-b)+abs(a-c)+abs(b-c))-4,0)<<endl;
16. }
17. }