func_code_string: #include <bits/stdc++.h>   using namespace std;   int who(int n) {     if (n < 5) {       return n;     } else {       n -= 5;       return who(n / 2);     }   }   int main(int argc, char** argv) {     int n, m;     cin >> n >> m;     vector<vector<char> > snake(n, vector<char>(m,  # ));     for (int i = 1; i < n; i += 2) {       for (int j = (i / 2) % 2; j < m - 1 + (i / 2) % 2; ++j) {         snake[i][j] =  . ;       }     }     for (int i = 0; i < n; ++i) {       for (int j = 0; j < m; ++j) {         cout << snake[i][j];       }       cout <<   n ;     }     return 0;   }   