func_code_string: #include <bits/stdc++.h>   using namespace std;   long long int gcd(long long int x, long long int y) {     if (y == 0) return x;     return gcd(y, x % y);   }   long long exp(long long a, long long b) {     if (b == 0) return 1;     long long res = exp(a, b / 2);     if (b % 2)       return res * res * a;     else       return res * res;   }   int prime(long long x) {     if (x % 2 == 0)       return 0;     else {       for (int i = 3; i * i <= x; i += 2) {         if (x % i == 0) return 0;       }     }     return 1;   }   int main() {     ios::sync_with_stdio(0);     cin.tie(0);     cout.tie(0);     ;     int n, m, k;     map<int, int> ma;     cin >> n;     int arr[n];     for (int i = 0; i < n; i++) cin >> arr[i];     cin >> m;     int brr[m];     for (int i = 0; i < m; i++) cin >> brr[i];     for (int i = 0; i < n; i++) {       for (int j = m - 1; j >= 0; j--) {         if (brr[j] % arr[i] == 0) {           k = brr[j] / arr[i];           if (ma.find(k) == ma.end())             ma.insert({k, 1});           else             ma[k]++;         }       }     }     map<int, int>::iterator it;     it = ma.end();     it--;     cout << it->second <<   n ;     return 0;   }   