정답 개수:
65
틀린 개수:
35
실행 실패 개수:
0
4 push_back 724 back push_front 590 push_front 592
0
724
6 push_back 314 front push_back 106 pop_front back push_front 325
314 314 0
314 314 106
7 push_front 452 back size size push_back 343 size push_back 29
0 1 1 2
452 1 1 2