seyjs - 博客园

2020年2月9日

【leetcode】1344. Angle Between Hands of a Clock

摘要：题目如下： Given two numbers, hour and minutes. Return the smaller angle (in sexagesimal units) formed between the hour and the minute hand. Example 1: Inp 阅读全文

posted @ 2020-02-09 17:27 seyjs 阅读(323) 评论(0) 推荐(0) 编辑

【leetcode】1346. Check If N and Its Double Exist

摘要：题目如下： Given an array arr of integers, check if there exists two integers N and M such that N is the double of M ( i.e. N = 2 * M). More formally check 阅读全文

posted @ 2020-02-09 17:24 seyjs 阅读(556) 评论(0) 推荐(0) 编辑

【leetcode】1347. Minimum Number of Steps to Make Two Strings Anagram

摘要：题目如下： Given two equal-size strings s and t. In one step you can choose any character of t and replace it with another character. Return the minimum nu 阅读全文

posted @ 2020-02-09 17:23 seyjs 阅读(314) 评论(0) 推荐(0) 编辑

【leetcode】1348. Tweet Counts Per Frequency

摘要：题目如下： Implement the class TweetCounts that supports two methods: 1. recordTweet(string tweetName, int time) Stores the tweetName at the recorded time 阅读全文

posted @ 2020-02-09 17:20 seyjs 阅读(231) 评论(0) 推荐(0) 编辑

2020年2月8日

【leetcode】1340. Jump Game V

摘要：题目如下： Given an array of integers arr and an integer d. In one step you can jump from index i to index: i + x where: i + x < arr.length and 0 < x <= d. 阅读全文

posted @ 2020-02-08 14:26 seyjs 阅读(406) 评论(0) 推荐(0) 编辑

【leetcode】1338. Reduce Array Size to The Half

摘要：题目如下： Given an array arr. You can choose a set of integers and remove all the occurrences of these integers in the array. Return the minimum size of t 阅读全文

posted @ 2020-02-08 14:16 seyjs 阅读(431) 评论(0) 推荐(0) 编辑

【leetcode】1337. The K Weakest Rows in a Matrix

摘要：题目如下： Given a m * n matrix mat of ones (representing soldiers) and zeros (representing civilians), return the indexes of the k weakest rows in the mat 阅读全文

posted @ 2020-02-08 14:11 seyjs 阅读(355) 评论(0) 推荐(0) 编辑

2020年1月27日

【leetcode】1331. Rank Transform of an Array

摘要：题目如下： Given an array of integers arr, replace each element with its rank. The rank represents how large the element is. The rank has the following rul 阅读全文

posted @ 2020-01-27 17:25 seyjs 阅读(383) 评论(0) 推荐(0) 编辑

【leetcode】1329. Sort the Matrix Diagonally

摘要：题目如下： Given a m * n matrix mat of integers, sort it diagonally in ascending order from the top-left to the bottom-right then return the sorted array. 阅读全文

posted @ 2020-01-27 17:18 seyjs 阅读(485) 评论(0) 推荐(0) 编辑

【leetcode】1328. Break a Palindrome

摘要：题目如下： Given a palindromic string palindrome, replace exactly one character by any lowercase English letter so that the string becomes the lexicographi 阅读全文

posted @ 2020-01-27 17:16 seyjs 阅读(472) 评论(0) 推荐(0) 编辑

公告