Cracking The Coding Interview Unique String Problem

It is time to apply the data structure & algorithm knowledge to some problem-solving. The best way to start with problem-solving is by Cracking the Coding Interview problem set. This question is from the chapter Arrays and Strings and this is one of the most widely asked interview questions in top tech companies. Let's get to it. Code is available in the Github repository https://github.com/vslala/code-with-v... #programming #problemsolving