题解 | #明明的随机数#

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

int main(){
    int n;
    cin>>n;
    int num;
    set<int> s;
    while(cin>>num){
        s.insert(num);
    }
    for (auto i:s){
        cout<<i<<endl;
    }

}