[LeetCode] Range Sum Query - Mutable 区域和检索 - 可变
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 b...
![[LeetCode] Range Sum Query - Mutable 区域和检索 - 可变](https://ucc.alicdn.com/e4lvdhgujf44y/developer-article346897/20241017/fe25ebec3b054ce181e6ecb19ea6e746.jpeg)
[LeetCode] Range Sum Query 2D - Mutable 二维区域和检索 - 可变
Given a 2D matrix matrix, find the sum of the elements inside the rectangle defined by its upper left corner (row1, col1) and lower right corner (row2, col2). The above rectangle (with ...
![[LeetCode] Range Sum Query 2D - Mutable 二维区域和检索 - 可变](https://ucc.alicdn.com/e4lvdhgujf44y/developer-article346620/20241017/de9b834d682544f7ba52e8663d89b3db.png)
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