[프로그래머스] 튜플 - JAVA

문제

https://school.programmers.co.kr/learn/courses/30/lessons/64065

프로그래머스

 

코드

import java.util.*;

class Solution {
    public int[] solution(String s) {
        List<Integer> list = new LinkedList<>();
        
        String arr [] = s.replaceAll("[{}]", " ").trim().split(" ,");
        
        Arrays.sort(arr,new Comparator<String>(){
            public int compare(String o1, String o2){
                return Integer.compare(o1.length(), o2.length());
            }
        });
        
        for(int i=0;i<arr.length;i++){
            String temp [] = arr[i].split(",");
            
            for(String str : temp){
                int n = Integer.parseInt(str.trim());
                if(!list.contains(n))
                    list.add(n);
            }
        }

        int[] answer = new int[list.size()];
        for(int i=0;i<list.size();i++){
            answer[i] = list.get(i);
        }
        return answer;
    }
}