func_code_string: #include <bits/stdc++.h>   using namespace std;   char b[101];   char a[101][101];   int mark[101];   int main() {     int n, m, s = 0;     cin >> n >> m;     for (int i = 1; i <= n; i++) {       for (int j = 1; j <= m; j++) {         cin >> a[i][j];         if (a[i][j] > b[j]) {           b[j] = a[i][j];         }       }     }     for (int i = 1; i <= n; i++) {       for (int j = 1; j <= m; j++) {         if (a[i][j] == b[j]) {           if (mark[i] == 0) {             s++;             mark[i]++;           }         }       }     }     cout << s;   }   