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Range Sum Query – Mutable

medium Solve on LeetCode

Last edited: August 5, 2025

Examples
Example 1
Example 2
Constraints
Related Problems
Solution
Method 1 - Naive
Method 2 - Segment Tree
Representation of Segment Tree
Construction of Segment Tree
Querying for sum of given range
Updation of value
Code
Complexity
Method 3 - Binary Index Tree / Fenwick Tree
Operations
Code
Complexity

Related Tags

binary-indexed-tree bt-binary-tree design fenwick-tree leetcode range-tree segment-tree

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