public class TreeNode { int val; TreeNode left; TreeNode right; TreeNode() {} TreeNode(int val) { this.val = val; } TreeNode(int val, TreeNode left, T ...
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2021-09-16 21:44:00
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二叉搜索树
二叉树
tree 遍历
binary tree
binary search tree
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2020-06-23 13:05:00
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Preorder: Approach #1: Recurisive. Approach #2: Iteratively.[Java] Approach #3: Morris Traversal.[C++] Using Morris Traversal can don't use recurisive
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2018-11-18 18:20:00
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二叉树非递归的中序遍历/**
* Definition for binary tree
* public class TreeNode {
* int val;
* TreeNode left;
* TreeNode right;
* TreeNode(int x) { val = x; }
* }
*/
public class Solution
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2013-12-01 22:17:47
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Given a binary tree, return thepostordertraversal of its nodes' values.For example:Given binary tree{1,#,2,3}, 1 \ 2 / 3return[3,2,1].这道...
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2021-08-07 11:59:19
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二叉树的非递归前序遍历 需要一个栈来作为辅助存储/**
* Definition for binary tree
* public class TreeNode {
* int val;
* TreeNode left;
* TreeNode right;
* TreeNode(int x) { val = x; }
* }
*/
public cl
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2013-12-01 22:06:11
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Given a binary tree, return theinordertraversal of its nodes' values.For example:Given binary tree{1,#,2,3}, 1 \ 2 / 3return[1,3,2].Note...
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2013-11-15 13:16:00
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Problem link: https://leetcode.com/problems/binary-tree-postorder-traversal/ Constraint: Idea: We could do it either in recursive or iterative way. Co ...
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2021-07-27 23:45:00
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题目 Given a binary tree, return the inorder traversal of its nodes' values. For example: Given binary tree {1,#,2,3}, 1 \ 2 / 3 return [1,3,2]. Note: R
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2017-04-21 18:33:00
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Given a binary tree, return thepreordertraversal of its nodes' values.For example:Given binary tree{1,#,2,3}, 1 \ 2 / 3return[1,2,3].二叉树...
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2014-11-16 12:41:00
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Binary Tree Inorder TraversalGiven a binary tree, return theinordertraversal of its nodes' values.For example:Given binary tree{1,#,2,3}, 1 \ ...
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2021-08-07 11:37:20
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Binary Tree Preorder TraversalGiven a binary tree, return thepreordertraversal of its nodes' values.For example:Given binary tree{1,#,2,3}, 1 \ ...
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2021-08-07 11:43:17
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Given a binary tree, return the preorder traversal of its nodes' values.
For example:
Given binary tree {1,#,2,3},
1
\
2
/
3
return [1,2,3].
Note: Recursive solution is tri
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2017-04-13 16:11:00
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Given a binary tree, return thepreordertraversal of its nodes' values.For example:Given binary tree{1,#,2,3}, 1 \ 2 / 3return[1,2,3].Not...
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2014-06-18 22:25:00
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Given a binary tree, return thelevel ordertraversal of its nodes' values. (ie, from left to right, level by level).For example:Given binary tree{3,9,20,#,#,15,7}, 3 / \ 9 20 / \ 15 7return its level order traversal as:[ [3], [9,20], [15,7]]confused what"{1,#,2,3}"means?> read more .
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2013-11-16 05:18:00
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Given a binary tree, return the inorder traversal of its nodes' values. For example: Given binary tree {1,#,2,3}, 1 \ 2 / 3 return [1,3,2]. /** * Defi
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2017-07-03 12:29:00
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1.题目Given a binary tree, return the preorder traversal of its nodes' values.For example:Given binary tree {1,#,2,3}, 1 \ 2 / 3return [1,2,3].Note: Recursive solution is trivial, cou
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2022-08-01 17:27:40
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Question Given a binary tree, return the preorder traversal of its nodes’ values.For example: Given binary tree {1,#,2,3}, 1 \ 2 / 3return [1,2,3].Note: Recursive solut
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2023-02-02 14:52:52
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Given a binary tree, return the preorder traversal of its node
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2022-12-01 19:05:28
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题意：前序遍历二叉树 前序遍历 根->左子树->右子树 先递归解法： 非递归方法： 在了解非递归之前，我们先了解一下递归在计算机中是怎样实现的。 递归，说白了就是将函数指针放入栈中！然后根据先进后出的原则进行递归！ 其实非递归方法就是在模拟递归方法！想一下！如何将遍历到左子树之后又如何遍历到右子树呢
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2021-07-15 14:53:39
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