Introduction If you are a programmer, then while studying data structures and algorithms, you might have come across the following problems: Find the length of the longest subsequence of one string which is a substring of another string. If not, ...

Introduction Suppose you are given an array containing integers and asked to move all the zeros to the end of the array. While doing that, you have to ensure that the non-zero numbers in the array appear in the same ...

Introduction We are at a stage where most of us have been asked to work from our homes. For some, it might seem like a restriction, but for many, this is the opportunity of a lifetime. Not wasting time traveling ...