정답 개수:
68
틀린 개수:
32
실행 실패 개수:
0
10 back empty empty push 57163 empty size pop empty back pop
-11 1 0 1 57163 1 -1-1
-1 1 1 0 1 57163 1 -1 -1
10 back push 30845 push 42035 empty push 69686 empty push 19558 pop push 97154 empty
-10 0 30845 0
-1 0 0 30845 0
12 back push 5851 pop push 32563 empty back empty push 67645 back empty push 776 push 18264
-15851 0 32563 0 67645 0
-1 5851 0 32563 0 67645 0