問題詳情

12. Given a binary tree whose prefix order is ABCDEF and infix CBDAEF, what is its postfix order?
(A) BCDFEA
(B) CBDFEA
(C) CDBFEA
(D) CDBEFA
(E) Undecided

參考答案

答案：C

統計：A:0,B:0,C:1,D:1,E:0

難度：計算中