[백준] 단어 정렬 1181 - JAVA

문제

https://www.acmicpc.net/problem/1181

1181번: 단어 정렬

 

코드

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

public class Main {
		
	public static void main(String args[]) throws IOException{
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		
		int n = Integer.parseInt(br.readLine());
		
		String arr [] = new String[n];
		
		for(int i=0;i<n;i++) {
			arr[i] = br.readLine();
		}
		
		
		Arrays.sort(arr, new Comparator<>() {

			@Override
			public int compare(String o1, String o2) {
				if(o1.length() == o2.length())
					return o1.compareTo(o2);
				return o1.length()-o2.length();
			}
			
		});
		
		
		System.out.println(arr[0]);
		
		for (int i = 1; i < n; i++) {
			if (!arr[i].equals(arr[i - 1])) {
				System.out.println(arr[i]);
			}
		}
	}
   
	
	
   
}