func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     int T;     cin >> T;     while (T--) {       int a, b, c;       scanf( %d%d%d , &a, &b, &c);       int temp = 0;       if (a == b && b == c) {         printf( 0 n );       } else {         if (b > a) {           temp = b;           b = a;           a = temp;         }         if (c > a) {           temp = c;           c = a;           a = temp;         }         if (b >= c) {           printf( %d n , max(2 * (a - c) - 4, 0));         } else {           printf( %d n , max(2 * (a - b) - 4, 0));         }       }     }   }   