정답 개수:
16
틀린 개수:
84
실행 실패 개수:
0
6 push 270 pop back size pop back
270-1 0 -1 -1
270 -1 0 -1 -1
8 pop size push 920 pop push 126 size empty push 73
-1 0 9201 0
-1 0 920 1 0
13 back front front push 964 size pop empty back empty back front empty empty
-1 -1 -1 1 9641 -1 1 -1 -1 1 1
-1 -1 -1 1 964 1 -1 1 -1 -1 1 1