func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     int n = 0, d = 0, count = 0, maxCount = 0;     cin >> n >> d;     string s =   ;     for (int i = 0; i < d; i++) {       cin >> s;       int res = 1;       for (int j = 0; j < s.size(); j++) {         res &= (s[j] -  0 );       }       if (res == 1) {         maxCount = max(count, maxCount);         count = 0;       } else {         count++;       }     }     maxCount = max(count, maxCount);     cout << maxCount;     return 0;   }   