[理工] 102交大資聯[DS] 第四題
題目是說這個程式要跑preorder traversal
而且好像是用thread binary tree
前面1-4行是在確認有無左右兒子
可是line6就不知道該填什麼...(註釋好像是中序後繼者!?)
line7的註釋完全不知道在說什麼...
根本繞口令...
想請問一下line6該填什麼?
可以的話,稍微解釋一下為何line6要填那個答案
麻煩各位了~感謝!!
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