Top 50 bst Interview Questions
The most frequently asked bst questions across all roles and companies, ranked by real interview frequency. Updated daily.
Problem Given the root of a binary tree, return True if it is a valid Binary Search Tree (BST), otherwise return False. A valid BST requires that every n...
Remote Career
dunnhumby
Telus Digital Ai Data SolutionsBuild a binary search tree, ignore duplicate values, search targets, and return an in-order traversal.
Crusoe
CedarValidate a binary search tree using recursive range propagation and strict ordering rules.
Quora
AsanaVerify whether a binary tree satisfies strict BST ordering using range propagation.
OracleOOracle HealthTraverse a binary search tree level by level and return each level's values in left-to-right order.
Thomson Reuters
Sigmoid
Clearwater Analytics (CWAN)Find the maximum sum among all subtrees that are valid BSTs using a postorder DFS.
Paytm
Pocket FmReturn the inorder, preorder, and postorder traversals of a binary search tree using depth-first traversal.
TripadvisorCCimpress TechnologySign up to see every question
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Implement BST insertion, search, deletion, and inorder traversal while preserving ordering and ignoring duplicate values.
Tech(x)
SLB
Dayforce