11 2020 档案

【leetcode】1577. Number of Ways Where Square of Number Is Equal to Product of Two Numbers
摘要：题目如下： Given two arrays of integers nums1 and nums2, return the number of triplets formed (type 1 and type 2) under the following rules: Type 1: Triple 阅读全文
posted @ 2020-11-18 15:08 seyjs 阅读(195) 评论(0) 推荐(0)
【leetcode】1576. Replace All ?'s to Avoid Consecutive Repeating Characters
摘要：题目如下： Given a string s containing only lower case English letters and the '?' character, convert all the '?' characters into lower case letters such t 阅读全文
posted @ 2020-11-18 15:02 seyjs 阅读(296) 评论(0) 推荐(0)
【leetcode】1572. Matrix Diagonal Sum
摘要：题目如下： Given a square matrix mat, return the sum of the matrix diagonals. Only include the sum of all the elements on the primary diagonal and all the 阅读全文
posted @ 2020-11-18 14:38 seyjs 阅读(192) 评论(0) 推荐(0)
【leetcode】1567. Maximum Length of Subarray With Positive Product
摘要：题目如下： Given an array of integers nums, find the maximum length of a subarray where the product of all its elements is positive. A subarray of an array 阅读全文
posted @ 2020-11-18 14:33 seyjs 阅读(157) 评论(0) 推荐(0)
【leetcode】1566. Detect Pattern of Length M Repeated K or More Times
摘要：题目如下： Given an array of positive integers arr, find a pattern of length m that is repeated k or more times. A pattern is a subarray (consecutive sub-s 阅读全文
posted @ 2020-11-18 14:19 seyjs 阅读(210) 评论(0) 推荐(0)
【leetcode】1557. Minimum Number of Vertices to Reach All Nodes
摘要：题目如下： Given a directed acyclic graph, with n vertices numbered from 0 to n-1, and an array edges where edges[i] = [fromi, toi] represents a directed e 阅读全文
posted @ 2020-11-18 14:01 seyjs 阅读(237) 评论(0) 推荐(0)
【leetcode】1556. Thousand Separator
摘要：题目如下： Given an integer n, add a dot (".") as the thousands separator and return it in string format. Example 1: Input: n = 987 Output: "987" Example 2 阅读全文
posted @ 2020-11-18 13:55 seyjs 阅读(114) 评论(0) 推荐(0)
【leetcode】1562. Find Latest Group of Size M
摘要：题目如下： Given an array arr that represents a permutation of numbers from 1 to n. You have a binary string of size n that initially has all its bits set 阅读全文
posted @ 2020-11-16 16:29 seyjs 阅读(164) 评论(0) 推荐(0)