정답 개수:
71
틀린 개수:
29
실행 실패 개수:
0
4 pop front back push 56917
-1 -1 0
-1 -1 -1
8 pop back push 58850 front size front empty size
-1 0 58850 1 58850 0 1
-1 -1 58850 1 58850 0 1
8 back push 12175 push 56245 push 20691 size front size push 80912
0 3 12175 3
-1 3 12175 3