Data Structure and Algorithm can be scary, let’s look into this problem together and go through various solutions. The more problems you solve; the less scary it is. Problem: Given an array of ...

Recently, I had a few discussions about how to get started with data analytics tools, and to address those questions, I’ve created this comprehensive tutorial for beginners. This guide covers the ...

Because of Leetcode's special design for test cases, if you want to test your code locally, you need to write some boilerplate code to read the test cases from the file and parse them into the format ...

Note: Some of the code here is old and was written when I was learning C++. It might be possible that code is not safe or making wrong assumptions. Please use with caution. Pull requests are always ...