정답 개수:
0
틀린 개수:
1
실행 실패 개수:
9
비공개 코드입니다. 코드 작성자만 볼 수 있습니다.
18 back push 380 front size push 331 back empty back back pop pop front back back pop pop size push 8
-1 380 1 331 0 331 331 -1 -1 380 331 331 -1 -1 2
-1 380 1 331 0 331 331 380 331 -1 -1 -1 -1 -1 0
25 pop pop front pop back size back empty pop back empty back empty size front back front pop pop pop front front size back push 851
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.pollFirst()" is null at Main.main(Main.java:25)
-1 -1 -1 -1 -1 0 -1 1 -1 -1 1 -1 1 0 -1 -1 -1 -1 -1 -1 -1 -1 0 -1
28 back pop pop back empty front front push 66 back empty size push 443 empty empty back size back push 381 front empty pop back empty pop pop empty size pop
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.pollFirst()" is null at Main.main(Main.java:25)
-1 -1 -1 -1 1 -1 -1 66 0 1 0 0 443 2 443 66 0 66 381 0 443 381 1 0 -1
32 size pop front empty pop empty front front back size empty empty pop push 14 empty size empty pop pop empty front front size back empty back empty size pop back pop 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.pollFirst()" is null at Main.main(Main.java:25)
0 -1 -1 1 -1 1 -1 -1 -1 0 1 1 -1 0 1 0 14 -1 1 -1 -1 0 -1 1 -1 1 0 -1 -1 -1 -1