添加669. 修剪二叉搜索树的Java版代码 #1186
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添加669. 修剪二叉搜索树的Java版代码 #1186
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Pull Request Overview
This PR adds a Java implementation for LeetCode problem 669 (Trim a Binary Search Tree). The solution uses an iterative approach to trim nodes that fall outside the specified [low, high] range while maintaining the BST structure.
Key changes:
- Implements a three-phase iterative algorithm: finding a valid root node, trimming the left subtree, and trimming the right subtree
- Uses a while-loop based approach rather than recursion
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LetMeFly666
reviewed
Oct 26, 2025
| @@ -0,0 +1,50 @@ | |||
| import javax.swing.tree.TreeNode; | |||
| class Solution { | ||
| public TreeNode trimBST(TreeNode root, int low, int high) { | ||
| //寻找新的根节点 | ||
| while(root!=null && (root.val<low || root.val>high)) { |
|
hi~ 非常感谢大佬提供的0699的Java版本的代码！ 不过在review时还是有两个小建议，如果这样的话效果应该会更好一点 |
我来处理一下吧 |
哈哈哈好的，我也是BUPT的，这是完成老师的一个实验（尝试提交一个PR） |
LetMeFly666
approved these changes
Oct 27, 2025
|
哈哈哈好的，已经合并了 也欢迎校友的继续参与嗷 [Doge] |
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