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Leetcode 938. Range Sum of BST

Given the root of a binary search tree and an inclusive range [low, high], return the sum of all node values that fall within the range. Leverage the BST ordering to prune subtrees that are entirely < low or > high and traverse only the relevant nodes.

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Early October, 2025

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Mid-level

Early August, 2025

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Senior

Asked during phone screen

Early July, 2025

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Senior

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