LeetCode 226 Invert Binary Tree JAVA
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这个比较逗,二叉树转置。
有一个故事,自己百度吧。
代码如下:
public class Solution { public TreeNode invertTree(TreeNode root) { if (root == null) return null; TreeNode tmp = invertTree(root.left); root.left = invertTree(root.right); root.right = tmp; return root; }}
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