정답 개수:
15
틀린 개수:
0
실행 실패 개수:
85
비공개 코드입니다. 코드 작성자만 볼 수 있습니다.
3 front back front
런타임 에러 (RTE)
stderr:
Exception in thread "main" java.lang.NullPointerException: Cannot invoke "java.lang.Integer.intValue()" because the return value of "java.util.Deque.peekFirst()" is null at Main.main(Main.java:38)
-1 -1 -1
4 pop size size front
런타임 에러 (RTE)
stderr:
Exception in thread "main" java.lang.NullPointerException: Cannot invoke "java.lang.Integer.intValue()" because the return value of "java.util.Deque.peekFirst()" is null at Main.main(Main.java:38)
-1 0 0 -1
5 size pop back push 584 empty
런타임 에러 (RTE)
stderr:
Exception in thread "main" java.lang.NullPointerException: Cannot invoke "java.lang.Integer.intValue()" because the return value of "java.util.Deque.peekLast()" is null at Main.main(Main.java:48)
0 -1 -1 0