MaxXOR

You are given an array A of n integers (A1, A2 , ... , An) and some queries. In each query, you will...

Rise up

You are given N piles of stones. The piles are numbered 1 to N from left to right. Each pile contain...

No GCD

You are given N integers. Each integer is square free (i.e. it has no divisor which is a square numb...

Gaaner Koli

The protagonists of this problem are two great programmers of a certain institution Omanush and Ordi...

Harry Potter and the Vault of Gringotts

"There was a break-in of Gringotts Wizarding Bank on 1 May, 1998, during the height of the Seco...

Alice in Candyland

Alice came up with a new game. In this game called "Candy Quest", there is a NxN size 2D g...

Bikpik Colony

Bikpiks are very small aliens. Day by day they are becoming very dangerous for human being. They liv...

Subset Multiplication

In mathematics, especially in set theory, set A is a subset of set B, or equivalently B is a superse...

Super Shop

A super shop sells only 26 items, labeled them from ‘A’ to ‘Z’. The shop stores the list of products...

Chocolate

There is a shop named Chocolove in the Codeland. There are many chocolates in the shop. Each chocola...

Easy

This problem is very easy. As my mood is not so good, I will not elaborate the statement unnecessari...

Photo Matching

You’ll be given two matrix M1 and M2 and another integer K. The size of both M1 and M2 are N*N and e...

Ant Query

Scientists from the planet Krypton have figured out a way to grow artificial sugar in space. They ha...

Escape the Planet Earth

As you know earth is affected by corona virus. Situation becomes worse day by day .Almost 80% people...

Shopping is Fun!!

Mr. Hikiko passed his Eid without shopping because of ongoing lockdown. Now, Govt. removed the lockd...

Osim's Maze

Welcome to Osim's maze! Unfortunately, you are in the maze right now and you want to come outside th...

Race in DomKi

There is a kingdom called DomKi. DomKi has N city and N-1 two-way road. Each city is numbered with 1...

Toph uses cookies. By continuing you agree to our Cookie Policy.