func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     long long test;     test = 1;     while (test--) {       long long n;       cin >> n;       long long a[n], b[n];       for (long long i = 0; i < n; i++) cin >> a[i];       for (long long i = 0; i < n; i++) cin >> b[i];       long long aalone = 0, balone = 0;       for (long long i = 0; i < n; i++) {         if (a[i] == 1 && b[i] == 0)           aalone++;         else if (a[i] == 0 && b[i] == 1)           balone++;       }       if (aalone == 0)         cout <<  -1 ;       else {         if ((balone + 1) % aalone == 0)           cout << (balone + 1) / aalone;         else {           cout << (balone + 1) / aalone + 1;         }       }     }   }   