백준 2751번 : 수 정렬하기 2

#include<stdio.h>
#include<vector>
#include<algorithm>
using namespace std;

int main()
{
	int N;
	scanf("%d", &N);

	vector<int> numbers;
	for (int i = 0; i < N; i++)
	{
		int number = 0;
		scanf("%d", &number);
		numbers.push_back(number);
	}

	sort(numbers.begin(), numbers.end());
	numbers.erase(unique(numbers.begin(), numbers.end()));
	for (int number : numbers)
	{
		printf("%d\n", number);
	}
	return 0;
}