Java | Leetcode Java题解之第226题翻转二叉树
题目:
题解:
class Solution {
public TreeNode invertTree(TreeNode root) {
if (root == null) {
return null;
}
TreeNode left = invertTree(root.left);
TreeNode right = invertTree(root.right);
root.left = right;
root.right = left;
return root;
}
}
原文地址:https://blog.csdn.net/m0_57195758/article/details/140311785
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