2022-09-05-652-寻找重复的子树

1 · zhuba-Ahhh · Sept. 5, 2022, 3:46 p.m.

652.寻找重复的子树JAVA1234567891011121314151617181920212223242526272829303132333435363738394041424344/** * Definition for a binary tree node. * public class TreeNode { * int val; * TreeNode left; * TreeNode right; * TreeNode() {} * TreeNode(int val) { this.val = val; } * TreeNode(int val, TreeNode left, TreeNode right) { * this.val = val; * this.left = left; * this.right = right; * } * } */class Solution { Map<String, TreeNode> seen = new HashMap<S...

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