COVID-19 Outbreak

COVID-19 outbreak in Atlantis is so bad that the government is forced to lock down the whole country...

Kingdom - Great Roads of Destiny

Shin wants to be the “Great General of the Heaven”. It is his dream. But becoming a “Great General o...

Bad XOR 2 (Hard)

So after successfully becoming many people's nightmare, XOR has struck again, this time to haunt...

Sofdor Ali's Black and White Tree

Sofdor Ali loves Computer Science. He prefers hexadecimal number system to decimals, just because it...

Kingdom of Code

Kingdom CODE is the most peaceful place in the universe. King NOVOSH and Queen ALMIDA is ruling this...

Darth Vader and 3PO on a Tree!

Did you watch Star Wars yet? No? You should in your free time. Now back to Darth Vader and 3PO. Dart...

Keep Moving

Balurmath is a city which has N interesting tourist spots, which are connected between themselves by...

Village Fair 2

There are N houses in a village far away from here. They are numbered from 1 to N. For this problem ...

Circuit Breaker

In your free time, you like to design various electrical circuits to give a hard time to your local ...

Traveling Policy of Ajobdesh

In Ajobdesh, there are multiple cities and one of them is considered as the capital city. Obviously,...

War in the Wizarding World

There is a deadly war going on between two countries (Bitland and Byteland) in the wizarding world. ...

A Boring Game

Alice and Bob are playing a game with a tree with n nodes. Alice always plays first, and the two pla...

Gold Mines

The city of gridland is a grid with n rows and m columns. The city can be divided into n*m cells. A ...

Haunting of Herobrine

Herobrine's horror stories are known by many, but only a few dares to speak that name out loud, ...

Road Minister Techboy

Techboy is appointed as the minister of roads and highway in his country Better-Not-Name-It. Now he ...

Big Bang Theory

Dr. Sheldon Cooper is working on a project that works on the 2D concept of the universe. In this pro...

The Spy Cats

After Max and Alexis's initial plan to conquer the world with kitten armies failed, they started...

Life Saving Algorithm

Recently flood has vastly affected some regions of the country. So many people are helpless and suff...

Tahsin and Tree

Tahsin loves graph theory very much. He is specialy fond of trees. For his upcoming birthday his fri...

Tasks

Zico is a fan of Artificial Intelligence(AI). So he is doing a course on AI and even likes the teach...