阿摩線上測驗
40. Which of the following is the post-order traversal of the below binary search tree?
(A)18 19 27 45 55 58 60
(B) 45 27 18 19 55 58 60
(C) 19 18 27 55 58 60 45
(D) 19 18 27 60 58 55 45
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統計： A(0), B(1), C(0), D(5), E(0) #2847403
統計： A(0), B(1), C(0), D(5), E(0) #2847403