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Version:
v1.6.3
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Published: May 30, 2020
License: MIT
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README
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Given an integer array nums, find the sum of the elements between indices i and j (i ≤ j), inclusive.
The update(i, val) function modifies nums by updating the element at index i to val.
Example:
Given nums = [1, 3, 5]
sumRange(0, 2) -> 9
update(1, 2)
sumRange(0, 2) -> 8
Note:
- The array is only modifiable by the update function.
- You may assume the number of calls to update and sumRange function is distributed evenly.
[Binary Indexed Tree]
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Similar Questions
- Range Sum Query - Immutable (Easy)
- Range Sum Query 2D - Mutable (Hard)
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