정답 개수:
47
틀린 개수:
53
실행 실패 개수:
0
5 pop size back front size
-10 -1-1 0
-1 0 -1 -1 0
9 pop push 86391 push 66214 front pop pop push 36920 push 20922 size
-186391 86391 66214 2
-1 86391 86391 66214 2
11 empty front pop front back empty size empty push 8130 front push 69530
1 -1 -1-1 -11 0 1 8130
1 -1 -1 -1 -1 1 0 1 8130