阿摩線上測驗
8. A queue performs the following commands in pseudo-code:
Enqueue 5,2,9,6,1
Dequeue 3 elements
Enqueue 7,2,8,6
Dequeue 5 elements
What number is now at the front of the queue?
(A)8
(B)6
(C)2
(D)None
答案：登入後查看
統計： A(3), B(58), C(10), D(5), E(0) #3108943
統計： A(3), B(58), C(10), D(5), E(0) #3108943
