func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     long k, m;     string s;     vector<int> rooms;     cin >> k >> m;     cin >> s;     for (int i = 0; i < s.length(); i++) {       if (s[i] ==  0 ) {         rooms.push_back(i);       }     }     long select = k;     k = 0;     while (k + m < rooms.size()) {       for (int i = k; i <= k + m; i++) {         if (max(rooms[i] - rooms[k], rooms[k + m] - rooms[i]) < select)           select = max(rooms[i] - rooms[k], rooms[k + m] - rooms[i]);       }       k++;     }     cout << select;   }   