老板，真的不能再压缩了~

极致压缩版

#include <bits/stdc++.h>
using namespace std;int n,r[100001],a=0,b=0;main(){cin>>n;for(int i = 0;i<n;i++)cin>>r[i];sort(r,r+n);while(a<n){if(r[a]>r[b])b++;a++;}cout<<n-b;return 0;}

正常版

#include <bits/stdc++.h>

using namespace std;

int n, r[100001], a=0, b=0;

int main() {
	cin >> n;
    for (int i = 0; i<n; i++) 
		cin >> r[i];
	sort(r, r+n);
	while (a<n) {
		if (r[a] > r[b])
			b++;
		a++;
	}
    cout << n-b;
    return 0;
}