摘要:Given an array nums, we call (i, j) an important reverse pair if i < j and nums[i] > 2*nums[j]. You need to return the number of important reverse pai 阅读全文
posted @ 2021-02-18 08:35 Review->Improve 阅读(38) 评论(0) 推荐(0) 编辑
摘要:You are given an integer array nums and you have to return a new counts array. The counts array has the property where counts[i] is the number of smal 阅读全文
posted @ 2021-02-18 02:41 Review->Improve 阅读(39) 评论(0) 推荐(0) 编辑
摘要:Given a non-empty string, encode the string such that its encoded length is the shortest. The encoding rule is: k[encoded_string], where the encoded_s 阅读全文
posted @ 2021-02-17 06:06 Review->Improve 阅读(32) 评论(0) 推荐(0) 编辑
摘要:A Range Module is a module that tracks ranges of numbers. Your task is to design and implement the following interfaces in an efficient manner. addRan 阅读全文
posted @ 2021-02-17 01:45 Review->Improve 阅读(23) 评论(0) 推荐(0) 编辑
摘要:You are given a 0-indexed integer array nums and an integer k. You are initially standing at index 0. In one move, you can jump at most k steps forwar 阅读全文
posted @ 2021-02-16 12:05 Review->Improve 阅读(54) 评论(0) 推荐(0) 编辑
摘要:Given a rows * columns matrix mat of ones and zeros, return how many submatrices have all ones. Example 1: Input: mat = [[1,0,1], [1,1,0], [1,1,0]] Ou 阅读全文
posted @ 2021-02-16 06:13 Review->Improve 阅读(62) 评论(0) 推荐(0) 编辑
摘要:Problem Link: C - Mandarin Orange The problem can be converted to as such: Given an array A of positive integers, find out the the maximum product val 阅读全文
posted @ 2021-02-16 01:08 Review->Improve 阅读(10) 评论(0) 推荐(0) 编辑
摘要:Given a m * n matrix of ones and zeros, return how many square submatrices have all ones. Example 1: Input: matrix = [ [0,1,1,1], [1,1,1,1], [0,1,1,1] 阅读全文
posted @ 2021-02-12 12:01 Review->Improve 阅读(46) 评论(0) 推荐(0) 编辑
摘要:Given n points on a 2D plane, find the maximum number of points that lie on the same straight line. Example 1: Input: [[1,1],[2,2],[3,3]] Output: 3 Ex 阅读全文
posted @ 2021-02-07 09:25 Review->Improve 阅读(24) 评论(0) 推荐(0) 编辑
摘要:You have a number of envelopes with widths and heights given as a pair of integers (w, h). One envelope can fit into another if and only if both the w 阅读全文
posted @ 2021-02-06 03:42 Review->Improve 阅读(27) 评论(0) 推荐(0) 编辑