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 ...

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...

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 ...

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...

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...

Haunting of Herobrine

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

Bad XOR 2 (Hard)

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

Explosion

There is a house named Larcana. It is a very weird house .There are exactly N rooms in total and bet...

Kingdom of Code

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

Stephen, Bob, and Tomato's Canvas

If Stephen Hawking was right, then there is a universe where Bob Ross is a student of Tomato Yoshi. ...

Prime Avoider

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

Unfair Robot Race

Two teams of robots, Team A and Team B, are racing in a 2D grid. There will be a total of 6 rounds. ...

Keep Moving

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

MonoMono

You have probably heard of the famous board game, Monopoly. According to Wikipedia, in this game, pl...

Village Fair 2

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

Scarlet Speedster

The scarlet speedster of Central City, popularly known as the Flash is fighting an epic battle again...