func_code_string: #include <bits/stdc++.h>   using namespace std;   void solve(long long int input) {     long long int n;     cin >> n;     double a[n], b[n];     for (long long int i = 0; i < n; i++) cin >> a[i];     for (long long int i = 0; i < n; i++) cin >> b[i];     map<long double, long long int> mp;     long long int ans = 0;     long long int j = 0;     for (long long int i = 0; i < n; i++) {       if (a[i] == 0 && b[i] == 0) {         j++;         continue;       }       if (a[i] == 0) continue;       mp[(b[i] / (a[i]))]++;       ans = max(ans, mp[(b[i] / (a[i]))]);     }     cout << ans + j <<   n ;   }   signed main() {     ios_base::sync_with_stdio(false);     cin.tie(0);     cout.tie(0);     long long int x = 1;     for (long long int i = 1; i <= x; i++) solve(i);     return 0;   }   