func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     int n;     cin >> n;     for (int row = -n; row <= n; ++row) {       int top = n - abs(row);       for (int i = 0; i < abs(row); i++) {         cout <<     ;       }       for (int i = 0; i < top; i++) {         cout << i <<    ;       }       for (int i = top; i > 0; i--) {         cout << i <<    ;       }       cout << 0 << endl;     }     return 0;   }   