Day8-9

235. Lowest Common Ancestor of a Binary Search Tree/TreeNode.cs

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+namespace _235._Lowest_Common_Ancestor_of_a_Binary_Search_Tree;
+
+//Definition for a binary tree node.
+public class TreeNode {
+    public int val;
+    public TreeNode? left;
+    public TreeNode? right;
+    public TreeNode(int x) { val = x; }
+}