Two Sum IV - Input Is a BST
Explore how to identify two nodes in a binary search tree whose values sum to a given target. Understand the problem constraints and apply breadth-first search traversal to solve it efficiently. This lesson helps you develop problem-solving skills for tree-based interview questions.
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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