func_code_string: #include <bits/stdc++.h>   using namespace std;   template <typename Arg1>   void __f(const char* name, Arg1&& arg1) {     cerr << name <<   :   << arg1 << endl;   }   template <typename Arg1, typename... Args>   void __f(const char* names, Arg1&& arg1, Args&&... args) {     const char* comma = strchr(names + 1,  , );     cerr.write(names, comma - names) <<   :   << arg1 <<   |  ;     __f(comma + 1, args...);   }   int main() {     int n, m;     cin >> n >> m;     vector<vector<char> > table(n + 1, vector<char>(m + 1));     int row = 0, col = 0, count = 0;     for (int i = 1; i <= n; i++) {       string tmp;       cin >> tmp;       for (int j = 0; j < tmp.length(); j++) {         table[i][j + 1] = tmp[j];       }     }     for (int i = 1; i <= n; i++) {       for (int j = 1; j <= m; j++) {         if (table[i][j] ==  B ) {           count++;           row += i;           col += j;         }       }     }     row /= count;     col /= count;     cout << row <<     << col << endl;     return 0;   }   