(C++) - 백준(BOJ) 11650번 : 좌표 정렬하기 답

문제링크 : https://www.acmicpc.net/problem/11650

#include <iostream>
#include <algorithm>
#include <vector>
using namespace std;
int main() {
    int n;
    cin >> n;
    vector <pair<int, int>> a(n);
    for (int i = 0; i < n; i++)
    {
        cin >> a[i].first >>a[i].second;
    }
    sort(a.begin(), a.end());
    for (int i = 0; i < n; i++)
    {
        cout << a[i].first << ' ' << a[i].second<< '\n';
    }
}