Watercolor

Bob is the owner of a shop named “Color Maker”. He has 256 types of watercolor in his shop. The type...

Chikongunia

Chikongunia is an epidemic in Dhaka right now. Many people are affected by this. But the problem is,...

Is It A Square?

Shikamaru is the most brilliant student of his class. He is very good at Mathematics. Mr. Asuma i...

Unique Substrings Query

You will be given a string s of length n. Consider substring s[i, n] (where i is the starting posit...

Palindrome Query I

You are given a string of length L. You have Q queries. In each query, you will be asked to either u...

The Story of Stringland

The king of Stringland is employing an elite force of undercover agents to protect the kingdom from ...

Palindromic Naming Convention

In Strangeland, people name their child in a cute way. I’m sure you already know the way by the prob...