정답 개수:
9
틀린 개수:
91
실행 실패 개수:
0
9 front pop push 806 back front size size push 218 size
-1 -1 806 8061 1 2
-1 -1 806 806 1 1 2
10 push 670 push 678 front pop front pop back push 575 front empty
670670678678-1 5750
670 670 678 678 -1 575 0
11 pop back push 165 front back push 467 size empty back empty front
-1 -1 165165 2 0 467 0 165
-1 -1 165 165 2 0 467 0 165