Leetcode Problem 307. Range Sum Query - Mutable

307. Range Sum Query - Mutable

Leetcode Solutions

Build the Segment Tree from the given array using a bottom-up approach.
Update the Segment Tree when an element is modified by updating the corresponding leaf and propagating the changes up to the root.
Perform Range Sum Queries by traversing the tree from the root to the leaves, summing up the values of relevant nodes that cover the query range.

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