去年的Groupon面经 Onsite

原帖地址:一亩三分地

2015年初面到,那时不知到地里,希望有帮助

电面

Given two sorted array, find the median and expected run time lgn
在一个编辑器里写,然后运行,跑一些cases

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onsite

round one
1. Project
2. Number of islands I II

round two
1. Project
2. Longest Palindrom Substring

round three
1. product without self (Leetcode #238)
2. Given a binary tree, find the path which nodes sum to a given value. The path can start from and end with any nodes
好像是一道CC150原题

round four
1. Project
2. LRU Cache
follow up how to test