정답 개수:
19
틀린 개수:
81
실행 실패 개수:
0
9 back push 419 push 719 size front back front empty front
-1 2 419 419 419 0 419
-1 2 419 719 419 0 419
13 empty size pop empty empty size pop size push 119 back back back pop
1 0 -1 1 1 0 -1 0 0 0 0 119
1 0 -1 1 1 0 -1 0 119 119 119 119
16 front push 227 back empty pop size size back size pop front back front size pop front
-1 0 0 227 0 0 -1 0 -1 -1 -1 -1 0 -1 -1
-1 227 0 227 0 0 -1 0 -1 -1 -1 -1 0 -1 -1