정답 개수:
1
틀린 개수:
19
실행 실패 개수:
0
3 front back empty
-1-11
-1 -1 1
5 back empty back size empty
-11 -10 1
-1 1 -1 0 1
18 back size size back size pop front pop front size empty push 152 front front size size empty push 62
-10 0 -10 -1 -1-1 -10 1 152 152 1 1 0
-1 0 0 -1 0 -1 -1 -1 -1 0 1 152 152 1 1 0