题目
https://leetcode-cn.com/problems/er-cha-shu-de-jing-xiang-lcof/
解法
递归 只用考虑一层的问题;定义好 终止条件
1 | public TreeNode mirrorTree(TreeNode root) { |
https://leetcode-cn.com/problems/er-cha-shu-de-jing-xiang-lcof/
递归 只用考虑一层的问题;定义好 终止条件
1 | public TreeNode mirrorTree(TreeNode root) { |
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