[실5] 11650 - 좌표 정렬하기

using IntPair = pair<int, int>;

int main()
{
	int n;
	cin >> n;
	vector<IntPair> v(n);

	for (int i = 0; i < n; i++)
	{
		cin >> v[i].y >> v[i].x;
	}
	sort(v.begin(), v.end());
	for (int i = 0; i < n; i++)
	{
		auto pos = v[i];
		cout << pos.y << ' ' << pos.x << '\n';
	}
}