Easy Prime!

There are N numbers in an array. You will have Q queries. In each query, you can make 2 operations. ...

Another Query on String

You are given a string S (of length n) consisting of alphabets only. You need to perform m queries o...

Crayons

Five friends A, B, C, D and E has come to a shop to buy crayons for their art project. They need cra...

Count the Chaos

Imagine, you have an array of integers of size N. At each index of this array is a unique integer fr...

Ajob Commute II

Once again we return to Ajobshohor, the capital city and the heart of Ajobdesh. Ajobshohor’s road sy...