func_code_string: #include <bits/stdc++.h>   using namespace std;   int v[5][5], sum;   int main() {     for (int i = 1; i <= 3; i++)       for (int h = 1; h <= 3; h++) cin >> v[i][h];     if (v[1][1] == 0) {       for (int i = 1; i <= 100000; i++) {         int a = v[2][1] + v[2][3] - i;         if (a + v[1][2] + v[1][3] == v[3][1] + v[3][2] + i) {           v[1][1] = a, v[3][3] = i,           v[2][2] = v[3][1] + v[3][2] + i - v[2][1] - v[2][3];           break;         }       }       for (int i = 1; i <= 3; i++) {         for (int h = 1; h <= 3; h++) cout << v[i][h] <<    ;         cout <<   n ;       }       return 0;     }     for (int i = 1; i <= 100000; i++) {       int a = v[2][1] + v[2][3] - i;       if (a + v[1][2] + v[1][1] == v[3][2] + v[3][3] + i) {         v[1][3] = a, v[3][1] = i,         v[2][2] = v[3][2] + v[3][3] + i - v[2][1] - v[2][3];         break;       }     }     for (int i = 1; i <= 3; i++) {       for (int h = 1; h <= 3; h++) cout << v[i][h] <<    ;       cout <<   n ;     }   }   