明明的随机数

---

#include<iostream>
#include<set>
using namespace std;

int main()
{
    unsigned int n;
    unsigned int s;
    while(cin>>n)
    {
        set<unsigned int>record;
        for(int i=0;i<n;i++)
        {
            cin>>s;
            record.insert(s);
        }
        for(auto & res:record)
            cout<<res<<endl;
    }
}