2021年7月6日
843. Guess the Word
摘要： his is an interactive problem. You are given an array of unique strings wordlist where wordlist[i] is 6 letters long, and one word in this list is cho 阅读全文
posted @ 2021-07-06 11:37 北叶青藤 阅读(44) 评论(0) 推荐(0) 编辑
551. Student Attendance Record I
摘要： You are given a string s representing an attendance record for a student where each character signifies whether the student was absent, late, or prese 阅读全文
posted @ 2021-07-06 11:04 北叶青藤 阅读(42) 评论(0) 推荐(0) 编辑
2021年7月5日
715. Range Module
摘要： A Range Module is a module that tracks ranges of numbers. Design a data structure to track the ranges represented as half-open intervals and query abo 阅读全文
posted @ 2021-07-05 07:30 北叶青藤 阅读(47) 评论(0) 推荐(0) 编辑
1631. Path With Minimum Effort
摘要： You are a hiker preparing for an upcoming hike. You are given heights, a 2D array of size rows x columns, where heights[row][col] represents the heigh 阅读全文
posted @ 2021-07-05 07:23 北叶青藤 阅读(46) 评论(0) 推荐(0) 编辑
727. Minimum Window Subsequence
摘要： Given strings s1 and s2, return the minimum contiguous substring part of s1, so that s2 is a subsequence of the part. If there is no such window in s1 阅读全文
posted @ 2021-07-05 03:31 北叶青藤 阅读(35) 评论(0) 推荐(0) 编辑
418. Sentence Screen Fitting
摘要： Given a rows x cols screen and a sentence represented as a list of strings, return the number of times the given sentence can be fitted on the screen. 阅读全文
posted @ 2021-07-05 01:28 北叶青藤 阅读(51) 评论(0) 推荐(0) 编辑
2021年6月25日
Find all paths with min weights in an undirected graph
摘要： You are given a list of edges in a graph with weight. Find all the paths between start node and end node with min weights in the path. The edges like 阅读全文
posted @ 2021-06-25 01:58 北叶青藤 阅读(42) 评论(0) 推荐(0) 编辑
2021年6月21日
1472. Design Browser History
摘要： You have a browser of one tab where you start on the homepage and you can visit another url, get back in the history number of steps or move forward i 阅读全文
posted @ 2021-06-21 09:44 北叶青藤 阅读(33) 评论(0) 推荐(0) 编辑
1235. Maximum Profit in Job Scheduling
摘要： We have n jobs, where every job is scheduled to be done from startTime[i] to endTime[i], obtaining a profit of profit[i]. You're given the startTime,  阅读全文
posted @ 2021-06-21 08:58 北叶青藤 阅读(73) 评论(0) 推荐(0) 编辑
1152. Analyze User Website Visit Pattern
摘要： We are given some website visits: the user with name username[i] visited the website website[i] at time timestamp[i]. A 3-sequence is a list of websit 阅读全文
posted @ 2021-06-21 07:40 北叶青藤 阅读(53) 评论(0) 推荐(0) 编辑
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