Penguins of Madagascar

One day Penguins of Madagascar found a string S …. wait…. wait. Actually the setter of the problem d...

The Game Is On

As we know Mr. Bean is mainly an action movie star. But during this pandemic, he is not able to do a...

N-th Prime

In this problem, you will have to print the n-th prime number. The first few prime numbers are given...

The Depressed Guy

There is a guy named “Lucky” who is depressed now. His friend Jack knows why he is depressed. He has...

Byang's Day Out!

Byang and his little brother Kuno loves Cricket. But they never went to the stadium to watch a match...

United State of Koanhali

Koanhali is a strange country. The govt. of Koanhali maintain the marriages of this country. If you ...

Correct the Sieve

Sieve of Eratosthenes is a fast algorithm for finding prime numbers in larger ranges. According to W...

ASCII Progress Bar

In this problem, you need to write a code that prints an ASCII progress bar. In each test case, you ...

BPL Mubarak!

Bangladesh Premier League is in Sylhet for the first time. Today’s match is Sylhet Sixers vs the Dha...

Make It Big!

You are given a number N (10 ≤ N ≤ 2×109). You have to perform exactly two swap operation. You can c...

Be Like Hasib

Hasib, the famous programmer, uses a little game when he teaches Binary Search to his students. He r...

Array Sorting

Sorting an array is not any easy task. You have to apply so many difficult algorithms to perform the...

Pascal's Triangle

Given an integer N, print the sum of the Nth row of the Pascal’s triangle. In mathematics, Pascal’s ...

Find Prime

A prime number is a positive integer that is divisible only by itself and 1. The first few prime num...

Arya’s Counting

Little Arya has learnt to count the highest and the lowest number recently. She can easily find out ...

Alayna's Adventure Journey

Alayna recently went on her first adventure journey to Dumbulla Safari Park. She enjoyed the bumpy r...

Goat Research

Goats are interesting creatures. They are incredibly durable and can fall from great heights, be str...

Version Checker

Java Development Kit (JDK) installer for Mac OS X has a bug: Can you spot it? Notice how Java is ch...

Caesar Cipher

Byang wants to write a secret message to his friend. He has recently discovered Caesar Cipher. Caesa...

Directed Rectangle

Sami has just finished his assignments, to relax, he wants to play games. Since he’s banned from PUB...