Update 0236.二叉树的最近公共祖先.md

0236.二叉树的最近公共祖先 java版本中有一个变量没用，删除该变量
2021-08-07 11:20:47 +08:00 · 2021-08-07 11:20:47 +08:00 · adddd296c5
parent 37d45290da
commit adddd296c5
1 changed files with 0 additions and 1 deletions
--- a/problems/0236.二叉树的最近公共祖先.md
+++ b/problems/0236.二叉树的最近公共祖先.md
@ -249,7 +249,6 @@ class Solution {
 ```java
 // 代码精简版
 class Solution {
-    TreeNode pre;
    public TreeNode lowestCommonAncestor(TreeNode root, TreeNode p, TreeNode q) {
        if (root == null || root.val == p.val ||root.val == q.val) return root;
        TreeNode left = lowestCommonAncestor(root.left,p,q);