A collection of coding interview questions and solutions from
1. Cracking the Coding Interview, 5th Edition
2. LeetCode.com
For almost all solutions, I will have elborations on my approach and time complexity analysis.
There are problems from LeetCode.com that are with pictures to help explain the problems. Since I simply cannot put images in a plain text file, please refer to the their website for the original question.
Many thanks go to Gayle McDowell and smart people like her, we have the CTCI book and wesites like LeetCode.com that help us computer science students keep ourselves sharp!