[프로그래머스] Lv.2 튜플

 

 

[문제]

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

프로그래머스

 

 

[소스 코드]

import java.util.*;
class Solution {
    public int[] solution(String s) {
        List<String> list = new ArrayList<>();
        Set<Integer> hs = new LinkedHashSet<>();
        s = s.substring(2,s.length()-2);
        for(String nums : s.split("\\},\\{")){
            list.add(nums); 
        }
        Collections.sort(list,(a,b)->a.split(",").length-b.split(",").length);
        for(String nums : list){
            for(String num : nums.split(",")){
                int v = Integer.valueOf(num);
                hs.add(v);
            }
        }
        int[] answer = new int[hs.size()];
        int idx = 0;
        for(int num : hs){
            answer[idx++] = num;
        }
        return answer;
    }
}

import java.util.*;
class Solution {
    public int[] solution(String s) {
        Set<Integer> hs = new LinkedHashSet<>();
        s = s.substring(2,s.length()-2);
        String[] arr = s.split("\\},\\{");
        Arrays.sort(arr,(a,b)->a.split(",").length-b.split(",").length);
        for(String nums : arr){
            for(String num : nums.split(",")){
                int v = Integer.valueOf(num);
                hs.add(v);
            }
        }
        int[] answer = new int[hs.size()];
        int idx = 0;
        for(int num : hs){
            answer[idx++] = num;
        }
        return answer;
    }
}