2015年12月7日
Range Sum Query 2D - Immutable
摘要： Given a 2D matrixmatrix, find the sum of the elements inside the rectangle defined by its upper left corner (row1,col1) and lower right corner (row2,c... 阅读全文
posted @ 2015-12-07 17:19 summer323 阅读(150) 评论(0) 推荐(0)
Range Sum Query - Immutable
摘要： 动态规划问题Given an integer arraynums, find the sum of the elements between indicesiandj(i≤j), inclusive.Example:Given nums = [-2, 0, 3, -5, 2, -1]sumRange... 阅读全文
posted @ 2015-12-07 15:50 summer323 阅读(148) 评论(0) 推荐(0)