func_code_string: #include <bits/stdc++.h>   using namespace std;   int n = 0, m = 0;   char** values;   bool** values1;   void PrintArray() {     cout <<  Values n ;     for (int i = 0; i < n; i++) {       for (int j = 0; j < m; j++) {         cout << values[i][j] <<    ;       }       cout << endl;     }     cout <<  Values1 n ;     for (int i = 0; i < n; i++) {       for (int j = 0; j < m; j++) {         cout << values1[i][j] <<    ;       }       cout << endl;     }   }   void Check(int i, int j) {     char valueToCheck = values[i][j];     if (i == n - 1) goto second;     for (int i1 = i + 1; i1 < n; i1++) {       if (valueToCheck == values[i1][j]) {         values1[i][j] = true;         values1[i1][j] = true;       }     }   second:     if (j == m - 1) return;     for (int j1 = j + 1; j1 < m; j1++) {       if (valueToCheck == values[i][j1]) {         values1[i][j] = true;         values1[i][j1] = true;       }     }   }   void ConstructString() {     string result =   ;     for (int i = 0; i < n; i++) {       for (int j = 0; j < m; j++) {         if (values1[i][j] != true) result += values[i][j];       }     }     cout << result;   }   int main() {     string str, temp;     cin >> n >> m;     values = new char*[n + 1];     values1 = new bool*[n + 1];     for (int i = 0; i < n; i++) {       values[i] = new char[m + 1];       values1[i] = new bool[m + 1];       memset(values1[i], 0, m + 1);       cin >> values[i];     }     for (int i = 0; i < n; i++) {       for (int j = 0; j < m; j++) {         if (values[i][j] ==  * ) continue;         Check(i, j);       }     }     ConstructString();     for (int i = 0; i < n; ++i) {       delete[] values[i];       delete[] values1[i];     }     delete[] values;     return 0;   }   