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 ...
Range Sum Query Immutable Given an integer arraynums, find the sum of the elements between indicesiandj i j , inclusive. Example: Note: You may assume that the array does not change. There are many ca ...
2015-11-16 18:59 0 2163 推荐指数:
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 ...
Given an integer array nums, find the sum of the elements between indices iand j (i ≤ j), inclusive. Example: Note ...
题目: 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 ...
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 ...
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 ...
题目: 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 ...
参考:https://leetcode.com/discuss/79083/share-my-solution First of all, let's look at the naive solution. Preprocess to calculate the prefix ...
Given an integer array nums, return the number of range sums that lie in [lower, upper] inclusive.Range sum S(i, j) is defined as the sum ...