BOJ 11650: 좌표 정렬하기, 11651:좌표 정렬하기2

✔ 문제 링크

BOJ 11650: 좌표 정렬하기

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✔ 해결과정

std::pair 사용 연습

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✔ 11650: 좌표 정렬하기 정답 Code

#include <bits/stdc++.h>
using namespace std;

int main() {
    ios::sync_with_stdio(0);
    cin.tie(0);
    
    int n;
    vector<pair<int,int> > vec;
    cin >> n;
    for(int i=0;i<n;i++) {
        int x, y;
        cin >> x >> y;
        vec.push_back({x, y});
    }

    sort(vec.begin(), vec.end());
    int size = vec.size();
    
    for(int i=0;i<size;i++) {
        cout << vec[i].first << ' ' << vec[i].second << '\n';
    }
}

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✔ 11651: 좌표 정렬하기2 정답 Code

#include <bits/stdc++.h>
using namespace std;

int main() {
    ios::sync_with_stdio(0);
    cin.tie(0);
    
    int n;
    vector<pair<int,int> > vec;
    cin >> n;
    for(int i=0;i<n;i++) {
        int x, y;
        cin >> x >> y;
        vec.push_back({y, x});
    }

    sort(vec.begin(), vec.end());
    int size = vec.size();
    
    for(int i=0;i<size;i++) {
        cout << vec[i].second << ' ' << vec[i].first << '\n';
    }
}