[leetcode]Binary Tree Preorder Traversal @ Python
原題地址：http://oj.leetcode.com/problems/binary-tree-preorder-traversal/ 題意：這題用遞歸比較簡單。應該考察的是使用非遞歸實現二叉樹的先序遍歷。先序遍歷的遍歷順序是：根，左子樹，右子樹。 解題思路：如果樹為下圖： 1 / \ ...
原文：LeetCode: Binary Tree Preorder Traversal 解題報告
Binary Tree Preorder Traversal Given a binary tree, return the preorder traversal of its nodes values.For example:Given binary tree , , , , return , , .Note: Recursive solution is trivial, could you d ...
2014-12-03 22:32 0 2120 推薦指數：
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