题解 | #Simple Sorting#

#include<iostream>
using namespace std;
#include<set>
int main()
{
    int n;
    
    set<int> s;
    
    cin>>n;
    int * h;
    h = new int [n];
    for(int i=0;i<n;i++)
    {
        cin>>h[i];
        s.insert(h[i]);
    }
    for(auto it=s.begin();it!=s.end();it++)
    {
        cout<<*it<<" ";
    }
}