[BOJ] 11651번 좌표 정렬하기 2 (C++)

https://www.acmicpc.net/problem/11651

11651번: 좌표 정렬하기 2

 

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

int main() {
	ios::sync_with_stdio(false);
	cin.tie(NULL);
	cout.tie(NULL);

	vector<pair<int, int>> v;

	int n, x, y;
	cin >> n;


	for (int i = 0; i < n; i++) {
		cin >> x >> y;
		v.push_back({ y, x });
	}

	sort(v.begin(), v.end());

	for (int i = 0; i < n; i++) {
		cout << v[i].second << " " << v[i].first << '\n';
	}
	return 0;
}