#include<bits/stdc++.h>
using namespace std;
int n,r[100005],cnt=1;
int main(){
	cin>>n;
	for(int i=1;i<=n;i++)cin>>r[i];
	sort(r+1,r+n+1);
	for(int i=2;i<=n;i++)if(r[i]>r[cnt])cnt++;
	cout<<n-cnt+1<<endl;
	return 0;
} 

J T1的代码都比它长.