[BOJ] 백준 10814 나이순 정렬

정렬 문제 + 알고리즘 이론 공부

 

[문제]

https://www.acmicpc.net/problem/10814

 

 

[소스 코드]

import java.io.*;
import java.util.*;

public class Main {
	static class Person {
		int age;
		String name;
		Person(int age,String name){
			this.age = age;
			this.name = name;
		}
	}
	static List<Person> list = new ArrayList<>();
    public static void main(String[] args) throws IOException {
    	BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
    	StringBuilder sb = new StringBuilder();
    	StringTokenizer st = new StringTokenizer(br.readLine());
    	int n = Integer.parseInt(st.nextToken());
    	for(int i=0;i<n;i++) {
    		st = new StringTokenizer(br.readLine());
    		int age = Integer.parseInt(st.nextToken());
    		String name = st.nextToken();
    		Person p = new Person(age,name);
    		list.add(p);
    	}
    	list.sort((a,b)->{
    		return a.age - b.age;
    	});
    	for(Person p : list) {
    		sb.append(p.age + " " + p.name + "\n");
    	}
    	System.out.println(sb);
    }
}