정답 개수:
2
틀린 개수:
28
실행 실패 개수:
0
6 push 6 back empty size empty size
0 0 1 0 1
6 0 1 0 1
8 empty front size empty size pop push 112 back
1 -1 0 1 0 -1 0
1 -1 0 1 0 -1 112
14 size size pop push 854 empty push 154 pop back pop pop back push 928 front empty
0 0 -1 0 854 0 154 -1 -1 928 0
0 0 -1 0 854 154 154 -1 -1 928 0