C++(씨쁠쁠)(cplusplus)-백준(baekjoon)(BaekJoon)코딩 10867번:중복 빼고 정렬하기 답

#include <iostream>
#include <algorithm>
using namespace std;
int n, a[100000],c;
int main() {
    cin >> n;
    for (int i = 0; i < n; i++)
        cin >> a[i];
    sort(a, a + n);
    c = a[0];
    cout << a[0] << ' ';
    for (int i = 1; i < n; i++)
        if (c != a[i])
        {
            cout << a[i] << ' ';
            c = a[i];
        }
}