[LeetCode] Range Sum Query

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LeetCode All in One 题目讲解汇总(持续更新中...)

[LeetCode] Range Sum Query 2D - Immutable 二维区域和检索 - 不可变

[LeetCode] Max Sum of Rectangle No Larger Than K 最大矩阵和不超过K

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LeetCode 3004 Range Sum Query 2D - Immutable(范围求和2D - 不可变)

[LeetCode]--3003. Range Sum Query - Immutable

[LeetCode] Range Sum Query - Mutable

nomasp 博客导读:Lisp/Emacs、Algorithm、Android

LeetCode 3007 Range Sum Query - Mutable(范围和查询-可变)

LeetCode 3003 Range Sum Query - Immutable(范围总和查询-永久不变)(*)

[LeetCode] Range Sum Query - Immutable 区域和检索 - 不可变

The idea is fairly straightforward: create an array accu that stores the accumulated sum fornums such that accu[i] = nums[0] + ... + nums[i] in the initializer of NumArray. Then just return accu[j + 1] - accu[i] in sumRange. You may try the example in the problem statement to convince yourself of this idea.

[LeetCode] Reverse Pairs 翻转对

[LeetCode] Maximal Square 最大正方形

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[LeetCode] Range Sum Query - Mutable 区域和检索 - 可变

leetCode 3003. Range Sum Query - Immutable | Dynamic Programming

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[LeetCode] Design Excel Sum Formula 设计Excel表格求和公式

LeetCode All in One 题目讲解汇总(持续更新中...)

The code is as follows.

Python

C++

[LeetCode] Count of Range Sum 区间和计数

[LeetCode] Maximum Size Subarray Sum Equals k 最大子数组之和为k

[LeetCode] Range Sum Query 2D - Immutable

[LeetCode] Range Sum Query - Immutable