题目描述：
Given a 2D matrix, find the sum of the elements inside the rectangle defined by (row1, col1), (row2, col2).
The above rectangle (with the red border) is defined by (row1, col1) = (2, 1) and (row2, col2) = (4 ...
档案日期2015的45
2015年11月9日 - 2015年11月15日
[LeetCode]Range Sum Query 2D - Immutable
[LeetCode]Range Sum Query - Immutable
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题目描述：
Given an integer array nums, find the sum of the elements between indices i and j (i ≤ j), inclusive.
Example:
Given nums = [-2, 0, 3, -5, 2, -1] sumRange(0, 2) -> 1 sumRange(2, 5) -> -1 ...