func_code_string: #include <bits/stdc++.h>   using namespace std;   vector<int> v(7);   int main() {     int n;     string s;     cin >> n;     for (int j = 0; j < n; j++) {       auto a = 0;       cin >> s;       for (auto &c : s) {         int r = c - 48;         v.at(a) += r;         a++;       }     }     auto result = *max_element(v.begin(), v.end());     cout << result;     return 0;   }   