updated at 2022. 12. 17. 오후 6:48:06

2022-12-17 18:48:07 +09:00
parent 8db0b506f6
commit aba743363d
1 changed files with 2 additions and 3 deletions
@@ -3,10 +3,9 @@
 import java.util.*;
 public class Solution {
    public int[] solution(int []arr) {
-        Queue<Integer> q = new LinkedList<Integer>();
+        LinkedList<Integer> q = new LinkedList<Integer>();
        for(int b : arr){
-            Object peek = ((LinkedList<Integer>)q).peekLast();
-            if(peek != null && b == (int)peek) continue;
+            if(q.peekLast() != null && b == q.peekLast()) continue;
            else q.add(b);
        }//list 상태에서도 가능하지만 array가 수요이니 array로 변환합니다.
        return q.stream().mapToInt(Integer::intValue).toArray();