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Two Sum 4 - Input is Binary Search Tree

easy Solve on LeetCode

Last edited: August 2, 2025

Problem
Examples
Solution
Method 1 - Using a Hashset and Dfs
Code
Complexity
Method 2 - Create Sorted Array Using Inorder Traversal and Apply 2 Sum
Code
Complexity
Method 3 - Using BST Properties
Code
Complexity
Method 4 - Using BST Iterator
Algo
Code
Complexity

Related Tags

binary-search-tree binary-tree bst-binary-search-tree hash-table interviewbit leetcode nsum two-pointers

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