Solution: Two Sum IV - Input Is a BST
Explore how to solve the Two Sum IV problem on a binary search tree using breadth-first search. This lesson helps you understand how to track visited node values with a set and check for complements efficiently. You will learn to implement a queue-based traversal that finds if any two nodes sum to a given integer, along with analyzing time and space complexity for this solution.
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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