Dream of Twilight

ACM ICPC is one of the most prestigious competitions which is he...

Arithmetic Sequence (Easy)

Arithmetic Sequence is a sequence of numbers where the differenc...

Alice and the Chessboard

It’s Sunday afternoon, and Alice is in her room trying to figure...

Old Magic!

You: Guess an integer number, but don’t tell me. Your friend: Ok...

GPA Calculator

Shibli is a very good student. He is very regular and attentive ...

Anita's Experiment

Little Anita is doing an experiment with herself. Everyday, depe...

Byang's Day Out!

Byang and his little brother Kuno loves Cricket. But they never ...

Byang Loves Byangette

Byang Loves Byangette. Byangette Loves Byang. They love each ot...

Sofdor Ali's Magical Blackboard!

Sofdor Ali found interest in mathematics very early in his life....

Be Like Hasib

Hasib, the famous programmer, uses a little game when he teaches...

Mysterious Sum

Sohel vai reads newspaper every morning. The newspaper he reads ...

Event Timing

Bob is making a new application for Android phones. Front-end of...

Oh No! Classes!

You will be given three pairs of integers, which denotes the sta...

Alayna and Vowels

Alayna loves playing. Every night before going to sleep, she pla...

The Titan

The Titan, a giant ship started its journey on the dark sea. It ...

Nusrat Weds Kadzz

Now a days Nusrat is having too much proposals every day! Batch ...

The Boat Filled With Love

You know a large part of our country is under water. The flood a...

Alayna and Strings

Alayna’s father Baba gifted her a nice alphabet book last month....

You Want Chocolate?

Bear Limak is very much fond of chocolate. His mom wants her son...

Stack Overflow

Stack is a basic data structure. Where 3 operations can be done:...

Byang and The Grid Game

Byang has invented a game he wants to play with his soulmate Bya...

Sofdar Ali's Next Day

Sofdor Ali goes to Karwan Bazar every Thursday to eat Jilapi! Bu...

Grasshopper and The Ant

In a field one summer’s day a grasshopper is hopping about and i...

Let's Be an Anagrammatist

Do you know what is an anagram? An anagram is a rearrangement of...

The Universe Loves Minimum Steps!

Given an array A of N integers. Your task is to make all the int...

Version Checker

Java Development Kit (JDK) installer for Mac OS X has a bug: ...

Dilu's Library

Dilu is a young boy who loves mathematics. He recently learned h...

Prisoners of Musabad

In the city of Musabad, criminals are punished heavily. Once an ...

Simple Operation

Mr. X is a school teacher. He teaches C programming to the stude...

Arya’s Counting

Little Arya has learnt to count the highest and the lowest numbe...

Bus Ride in Summer, Hot as Hell

A bus goes from place A to B and returns from B to A. Now there ...

The Best Gift Ever

In the world of computing, giving gifts like arrays are complete...