//#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,avx2")
//#pragma GCC optimize("Ofast","unroll-loops","inline")
#include<bits/stdc++.h>
#define ll long long
#define int ll
#define pb push_back
#define pii pair<int,int>
#define MP make_pair
#define fi first
#define se second
using namespace std;
const int N=5e5+10,M=1e6+10,mod=998244353;
int n,a[N],f[N];
signed main(){
	ios::sync_with_stdio(false);cin.tie(0);cout.tie(0);
	cin>>n;
	for(int i=1;i<=n;i++) cin>>a[i];
	sort(a+1,a+n+1);
	f[1]=0;
	for(int i=2,j=1;i<=n;i++){
		while(j+1<i&&a[i]/a[j+1]+f[j+1]<=a[i]/a[j]+f[j]) j++;
		f[i]=a[i]/a[j]+f[j];
	}
	cout<<f[n]<<'\n';
	return 0;
}