func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     int r1, c1, r2, c2;     cin >> r1 >> c1 >> r2 >> c2;     if (r1 == r2 || c1 == c2)       cout << 1;     else       cout << 2;     cout <<    ;     if ((r1 + c1) % 2 != (r2 + c2) % 2)       cout << 0;     else {       if (r1 + c1 == r2 + c2 || r1 - c1 == r2 - c2)         cout << 1;       else {         cout << 2;       }     }     cout <<    ;     cout << max(abs(r1 - r2), abs(c1 - c2)) << endl;     return 0;   }   