Class Solution
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public final class Solution
226 - Invert Binary Tree\.
Easy
Given the
root
of a binary tree, invert the tree, and return its root.Example 1:
Input: root = 4,2,7,1,3,6,9
Output: 4,7,2,9,6,3,1
Example 2:
Input: root = 2,1,3
Output: 2,3,1
Example 3:
Input: root = []
Output: []
Constraints:
The number of nodes in the tree is in the range
[0, 100]
.-100 <= Node.val <= 100
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Constructor Summary
Constructors Constructor Description Solution()
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Method Summary
Modifier and Type Method Description final TreeNode
invertTree(TreeNode root)
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Method Detail
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invertTree
final TreeNode invertTree(TreeNode root)
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