Identify The Level

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

Hidden Graph

There is an unweighted, undirected hidden graph. You are given an integer range from LLL to RRR. The...

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...

Shortest Path?

Given an unweighted, undirected and connected graph consists of NNN nodes numbered from 111 to NNN. ...

Itsy's Magic Cards

Itsy needs your help with her magic cards. Her magic cards grant her special spider-witch powers. Un...

Scary Tree

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

T5 Racing

It is high time for the annual T5 racing and your team is planning to win the race. In T5 racing the...

Bad XOR 2 (Hard)

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

Milad's Lost Tree

Milad likes trees so much. He has a rooted tree with nnn vertices each of which has some non-negativ...

Kingdom of Code

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

Village Fair 2

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

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...

Scarlet Speedster

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

Sofdor Ali's Black and White Tree

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

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. ...

COVID-19 Outbreak

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

Traveling Policy of Ajobdesh

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

Keep Moving

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

Circuit Breaker

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

Haunting of Herobrine

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

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...

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. ...

Taofiq the House Prefect

Tomorrow is a very special day for Taofiq. He is participating in an intra school quiz contest. As h...

Hide and Seek

You know how to play hide-and-seek, right? In a group of kids, one of them is selected to be the see...

Toph uses cookies. By continuing you agree to our Cookie Policy.