307. Range Sum Query - Mutable

LeetCodeArrayDivide and ConquerDesignBinary Indexed TreeSegment TreeOpen on judge ↗

Given an integer array nums, handle multiple queries of the following types: - Update the value of an element in nums. - Calculate the sum of the elements of nums between indices left and right inclusive where left <= right. Implement the NumArray class: - NumArray(int[] nums) Initializes the object with the integer array nums. - void update(int index, int val) Updates the value of nums[index

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solution.cppC++17

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