func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     ios::sync_with_stdio(0);     cin.tie(0);     int arr[3][3];     for (int i = 0; i < 3; i++) {       for (int j = 0; j < 3; j++) cin >> arr[i][j];     }     bool chk[3][3];     for (int i = 0; i < 3; i++) {       for (int j = 0; j < 3; j++) chk[i][j] = 1;     }     for (int i = 0; i < 3; i++) {       for (int j = 0; j < 3; j++) {         if (arr[i][j] % 2 == 0)           continue;         else {           if (chk[i][j] == 1)             chk[i][j] = 0;           else             chk[i][j] = 1;           if (j + 1 <= 2) {             if (chk[i][j + 1] == 1)               chk[i][j + 1] = 0;             else               chk[i][j + 1] = 1;           }           if (j - 1 >= 0) {             if (chk[i][j - 1] == 1)               chk[i][j - 1] = 0;             else               chk[i][j - 1] = 1;           }           if (i + 1 <= 2) {             if (chk[i + 1][j] == 1)               chk[i + 1][j] = 0;             else               chk[i + 1][j] = 1;           }           if (i - 1 >= 0) {             if (chk[i - 1][j] == 1)               chk[i - 1][j] = 0;             else               chk[i - 1][j] = 1;           }         }       }     }     for (int i = 0; i < 3; i++) {       for (int j = 0; j < 3; j++) {         cout << chk[i][j];       }       cout <<   n ;     }     return 0;   }   