Two Sum IV - Input Is a BST
Explore how to apply breadth-first search to identify whether two elements in a binary search tree sum to a given integer k. This lesson helps you understand the problem constraints, develop a logical approach, and implement a solution to solve the classic Two Sum IV problem in BSTs.
We'll cover the following...
We'll cover the following...
Statement
Given the root of a binary search tree and an integer k, determine whether there are two elements in the BST whose sum equals k. Return TRUE if such elements exist or FALSE otherwise.
Constraints:
The number of nodes in the tree is in the range
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