Categorygithub.com/frankegoesdown/leetcode-in-goAlgorithms0226.invert-binary-tree
package
0.0.0-20190725034537-db5e768ce8c3
Repository: https://github.com/frankegoesdown/leetcode-in-go.git
Documentation: pkg.go.dev
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# README

226. Invert Binary Tree

题目

Invert a binary tree.

     4
   /   \
  2     7
 / \   / \
1   3 6   9

to

     4
   /   \
  7     2
 / \   / \
9   6 3   1

解题思路

见程序注释

# Type aliases

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