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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:...
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...
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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.
力扣(LeetCode)
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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....
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...
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...
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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.
Andrew's Algorithm Solutions
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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...