🐣 문제

링크 : https://www.acmicpc.net/problem/2750

🐥 코드

#include<iostream>
#include<algorithm>
#include<set>

using namespace std;

int main(){
    int N = 0; 
    cin >> N;
    set<int> s;
    for(int i = 0; i < N; i++){
        int n = 0;
        cin >> n;
        s.insert(n);
    }

    for(auto it = s.begin(); it != s.end(); it++){
        cout << *it << '\n';
    }

    return 0;
}