Poltu and Minimum Spanning Tree

Boltu gave a simple task to his best friend Poltu. You are a good programmer. So, Poltu hired you to...

Do You Know Tree ?

“Stay at least one metre distance from others.” Corona has affected the World as well as Bangladesh....

Scary Tree

Recently Alex has been learning about the tree data structure. And, he has been struggling to write ...

The Archipelago of Mirpur

The archipelago of Mirpur consists of N islands. The famous architect PogPog was hired to connect al...

Plant Trees, Save Life

There are n students in a school. Some of them are friends with each other. You want to make the sch...

Sofdor Ali's Black and White Tree

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

Wakanda Forever

We all know that Thanos has erased half of the population of the universe. Earth’s population was al...

Identify The Level

Amin and Belal are two friends. Both have good knowledge about graph and tree in data structure part...

Traveling Policy of Ajobdesh

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

Road Minister Techboy

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

Chow, Mo

Mo, the jumper has found an extraordinary tree in the woods. He absolutely loves it. He already has ...

Bad XOR 2 (Hard)

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

Ghosh vs Datta

About two hundred years ago, a serious dispute evoked between the two neighboring colonies of Khulna...

Flow on Tree

Mr. Kaboom has recently learned about maximum flow. Now his friend Mr. Taboom gave him this problem....

Kingdom of Code

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

Prime Avoider

Mr. X is a friend of Hafiz bhai. Mr. X loves to play with numbers in his leisure but he hates prime ...

War in the Wizarding World

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

Act of Random Kindness (Hard)

Sammy and Meera liked adventures a lot. Once in a while they used to set out adventures. This time t...

Fortis Fortuna Adiuvat

Your very close friend, John, also known as the Baba Yaga, is often on various missions to complete ...

Keep Moving

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