Personal website of Baihu Qian
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Han Zhu's Study Notes
Han Zhu's Study Notes. Mind nodes, path-finding algorithms, and random garbage collections of a computer science student.
Buttercola
Sunday, February 21, 2021 Lintcode 676. Decode Ways II A message containing letters from A-Z is being encoded to numbers using the following mapping way: 'A' -> 1 'B' -> 2 ... 'Z' -> 26 Beyond that, now the encoded string can also contain the character *, which can be treated...
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The Code Sniper
A blog about coding practice. Solving problems of Leetcode. No more hiding! Algorithm. Data structure.
解开的都是套路
Thursday, December 21, 2017 Facebook脸家 - Lexicographical path Lexicographical path 5 / \ 3 2 / \ \ 2 4 4 \ 1 FB 面经,自底向上的 path 有【1,4,2,5】,【4,3,5】,【2,3,5】,要求按自底向上的 lexicographical order 返回排序的 path,比如在这里是 【1,4,2,5】, 【2,3,5】,【4,3,5】 Analysis: Post order, for each node keep left & right paths, merge 2 into one single path....
Yu's Coding Garden
Internship Recruiting I currently have several intern openings for deep learning and computer vision. This is an internship for both research and development. You will have opportunities to publish high level papers in computer vision and deep learning, or develop cool real world AI application if you prefer more for...
Lisa Tech Blog | My security road
Post navigation ← Older posts [Leetcode C++] Roman to Integer Posted on June 25, 2017 by admin Reply Problem Given a roman numeral, convert it to an integer. Input is guaranteed to be within the range from 1 to 3999. Analysis We traverse the string and add up each char...
LintCode 炼码
Powerful coding training system. LintCode has the most interview problems covering Google, Facebook, Linkedin, Amazon, Microsoft and so on. We provide Chinese and English versions for coders around the world.
Leetcode
Uber 面经 https://www.1point3acres.com/bbs/thread-490045-1-1.html 第一轮: 面经题, 给起始和终点时间,按月输出中间的时间段,比如给定范围 [2019-01-10, 2019-03-15], 输出 -> [2019-01-10, 2019-01-31], [2019-02-01, 2019-02-28], [2019-03-01, 2019-03-15] 要考虑不同年月份的,个人觉得有时间还是提前写写吧,各种cases挺多的 先算出头跟尾,中间的就好解决了 第二轮: 韩国大叔,给一个un sorted array,里面数unique,找出所有两两和相等的pairs, 比如[9, 4, 3, 1, 7, 12] 返回:[1, 12] & [4, 9], [3, 7]. & [1, 9], [4, 12] & [7, 9] 卡住了,最后只好暴力解,卒 暴力找出n^2, 然后map存 sum -> pairs 第三轮:...
The way to Algorithm
2016年3月15日星期二 Basic LinkedList/ Array/ String (1) Sort List (leetcode 148) (2) Reverse List in K group (leetcode 25) try both recursive and iterative (3) Merge K sorted List (leetcode 23) (4) Insertion Sort List (leetcode 147) also try merge sort, quick sort (5) Summary Ranges (leetcode 228) (6) Merge Intervals...
成吉思(刷)
Monday, May 16, 2016 LeetCode Q335: Self Crossing (hard) You are given an array x of n positive numbers. You start at point (0,0) and moves x[0] metres to the north, then x[1] metres to the west, x[2] metres to the south,x[3] metres to the east and so on. In other words, after each move your direction changes counter-clockwise. Write a one-pass algorithm...
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Tiger's leetcode solution
Tuesday, November 3, 2020 1492. The kth Factor of n -------M Given two positive integers n and k. A factor of an integer n is defined as an integer i where n % i == 0. Consider a list of all factors of n sorted in ascending order, return the kth factor in this list or return -1 if n has less than k factors. Example 1: Input: n =...
Weihan's Coding Blog
Climbing Stairs 21 Aug 2017 Algorithm DP Leetcode Easy Java Python Paint Fence 21 Aug 2017 Algorithm DP Leetcode Easy Java Sentence Screen Fitting 19 Aug 2017 Algorithm DP Leetcode Medium Java Encode and Decode Strings 18 Aug 2017 Algorithm String Leetcode Medium Java Missing Ranges 17 Aug 2017 Algorithm...
Tech Interview
LeetCode 1 – Two Sum – Easy (5/20/2016) LeetCode 2 – Add Two Numbers – Medium (5/20/2016) LeetCode 3 – Longest Substring Without Repeating Characters – Medium (5/20/2016) LeetCode 4 – Median of Two Sorted Arrays – Hard (8/29/2017) LeetCode 5 – Longest Palindromic Substring – Medium (8/29/2017) LeetCode 6...
北美最优秀的程序员模拟面试 - 包子IT面试培训
包子培训提供最真实的北美计算机1对1模拟面试服务, 面试官均为北美Top公司的面试官(e.g., Google,Facebook, Amazon, Microsoft, Oracle, Uber, Snap, Airbnb) 助你找到理想的工作! Providing the best 1 on 1 mock interview for top IT companies in the US.
Massive Algorithms: Archives
Archives at 8:33 PM Email ThisBlogThis!Share to TwitterShare to FacebookShare to Pinterest Newer Post Older Post Slider(Newer 20)    Home (Archives)    Random Post    Slider(Random 20)    Slider(Older 20) Home Labels LeetCode (1433) GeeksforGeeks (1122) LeetCode - Review (1068) Review (883) Algorithm (668) to-do (609) Classic Algorithm (270) Google...
力扣(LeetCode)
亲爱的力扣用户 力扣 LeetCode 中国主域名由 leetcode-cn.com 全面升级为 leetcode.cn 欢迎使用新域名访问力扣 LeetCode 力扣 LeetCode 中国 主域名由 leetcode-cn.com 全面升级为 leetcode.cn 欢迎使用新域名访问力扣 LeetCode