func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     int n, finall = 0, t1 = 0;     vector<string> v;     cin >> n;     int cop = n;     while (n--) {       string s;       cin >> s;       v.push_back(s);     }     for (int j = 0; j < 7; j++) {       t1 = 0;       for (int k = 0; k < cop; k++) t1 += v[k][j] -  0 ;       if (t1 > finall) finall = t1;     }     cout << finall;     return 0;   }   