In this HackerEarth Research on Numbers problem solution Bob is studying in a research institute….

In this HackerEarth Range queries problem solution, You are given a permutation of N numbers…

In this HackerEarth Swapping numbers problem solution You are given a permutation p1,p2,…pn of numbers…

In this HackerEarth A sorted string problem solution You are given a string S of length…

In this HackerEarth Operations on an array problem solution, You are given an array of…

In this HackerEarth Retrieve passwords problem solution A password is a number that is exactly…