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26 有一個二元樹,它的後序走訪(postorder traversal)的結果是 CBEFDA,那麼它的中序走訪的結果,不可能是下列那一個? (A) BCAEDF(B) ACEBFD(C) CBEF
問題詳情
26 有一個二元樹,它的後序走訪(postorder traversal)的結果是 CBEFDA,那麼它的中序走訪的結果,不可能是下列那一個?
(A) BCAEDF
(B) ACEBFD
(C) CBEFDA
(D) BACDCF
參考答案
答案:D
難度:
困難
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用户評論
【
Russ
】評論
此題不用畫樹,在(D)選項中,C節點重複了,所以不可能,此題為陷阱題,看破就變秒殺題。
上一篇 :
25 下列敘述中何者錯誤?(A)使用二元搜尋法,原本的資料必須是已經排序好的才行 (B)使用合併排序法(merge sort),是將兩個已經排序好的陣列,來進行合併 (C)氣泡排序法(bubble s
下一篇 :
27 下列的運算式是以前序法(prefix)表示: + 4 * 9 + 32 ,請問運算的結果為何?(A) 49(B) 41 (C) 28(D) 50
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