Suppose that all the keys in a binary tree are distinct positive integers. Given the preorder and inorder traversal sequences, you are supposed to out ...
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其他好文 时间:
2018-06-06 01:02:16
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161
前序遍历(Preorder Traverse) 根结点-左子树-右子树 Java代码实现: 后序遍历(postorder traverse) 左子树-右子树-根结点 代码实现: 中序遍历(inorder traverse): 左子树-根结点-右子树 代码实现: ...
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其他好文 时间:
2018-04-07 15:02:24
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172
给定一棵树的前序遍历与中序遍历,依据此构造二叉树。注意:你可以假设树中没有重复的元素。例如,给出前序遍历 = [3,9,20,15,7]中序遍历 = [9,3,15,20,7]返回如下的二叉树: 3 / \ 9 20 / \ 15 7详见:https://leetcode.com/problems/ ...
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其他好文 时间:
2018-04-04 23:42:14
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399
给定一棵树的中序遍历与后序遍历,依据此构造二叉树。注意:你可以假设树中没有重复的元素。例如,给出中序遍历 = [9,3,15,20,7]后序遍历 = [9,15,7,20,3]返回如下的二叉树: 3 / \ 9 20 / \ 15 7详见:https://leetcode.com/problems/ ...
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其他好文 时间:
2018-04-04 23:29:28
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264
An inorder binary tree traversal can be implemented in a non-recursive way with a stack. For example, suppose that when a 6-node binary tree (with the ...
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其他好文 时间:
2018-04-04 20:52:47
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171
Given a binary search tree and a node in it, find the in-order successor of that node in the BST. Note: If the given node has no in-order successor in ...
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其他好文 时间:
2018-03-28 10:28:59
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214
Suppose that all the keys in a binary tree are distinct positive integers. Given the preorder and inorder traversal sequences, you are supposed to out ...
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其他好文 时间:
2018-03-17 00:42:20
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248
Given a binary tree, return the inorder traversal of its nodes' values. For example:Given binary tree [1,null,2,3], return [1,3,2]. Note: Recursive so ...
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编程语言 时间:
2018-03-15 21:07:04
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238
Suppose that all the keys in a binary tree are distinct positive integers. Given the postorder and inorder traversal sequences, you are supposed to ou ...
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其他好文 时间:
2018-03-14 22:11:45
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179
1.由(preorder+inorder)复原 2.由(inorder+postorder)复原 ...
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其他好文 时间:
2018-03-12 11:07:31
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151