Search
⌘K

Leetcode 1373. Maximum Sum BST in Binary Tree

Given a binary tree, find the maximum sum of node values among all subtrees that are valid Binary Search Trees (a subtree is any node with all its descendants). Node values can be negative, so the optimal answer may be 0 (empty BST).

Question Timeline

See when this question was last asked and where, including any notes left by other candidates.

Comments

Your account is free and you can post anonymously if you choose.

Hello Interview Premium

Recent interview questions
System Design Guided Practice
Exclusive content
Learn More
Questions
Meta SWE Interview QuestionsAmazon SWE Interview QuestionsGoogle SWE Interview QuestionsOpenAI SWE Interview QuestionsEngineering Manager (EM) Interview Questions
Learn
Learn System DesignLearn DSALearn BehavioralLearn ML System DesignLearn Low Level DesignGuided Practice
Links
FAQPricingGift Mock InterviewsGift PremiumBecome a CoachOur CoachesHello Interview Premium
Legal
Terms and ConditionsPrivacy Policy
Contact
About UsProduct Support

7511 Greenwood Ave North Unit #4238 Seattle WA 98103

© 2026 Optick Labs Inc. All rights reserved.