In order to make html page interactive, html document has to be represented in a way so that JavaScript can…

The basic workflow of c++ code is: source file-> compiler -> executable binary file. But how do we get to the executable binary file…

The problem asks you to find a number from a sorted array but all the numbers has been shifted by some…

In this post I’m not doing in depth discussion on how these standard libraries works behind the scene. I will just show what they do and how to…

Binary search tree(BST) is a kind of binary tree(tree where each node has at most 2 child…

Edit distance problems is: if we are given two string word1 and word2 what is the minimum number of operation…

What is Breadth First Search(BFS)?

A tree data structure is a way to hold data that looks like a tree when it’s visualized. For…