Traveling Policy of Ajobdesh
In Ajobdesh, there are multiple cities and one of them is considered as the capital city. Obviously,...
Identify the Level
Amin and Belal are two friends. Both have good knowledge about graph and tree in data structure part...
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...
Tree Queries
You are given a tree of n vertices. Each vertex contains an integer. Vertex 1 is the root of the tre...
MEXimum
Let’s get straight to the point. You are given a tree. In the tree, each node u has a number au​ ass...
COVID-19 Outbreak
COVID-19 outbreak in Atlantis is so bad that the government is forced to lock down the whole country...
Zoba the Misleader
Zoba has 3 strings, named S1​, S2​ and S3​. He wanted to make a tough problem for Mihaf with these s...
Taofiq the House Prefect
Tomorrow is a very special day for Taofiq. He is participating in an intra school quiz contest. As h...
Concatenation of Perfect Squares
You are given a positive integer number. You have to determine whether this number can be represente...
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. ...
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. ...
Keep Moving
Balurmath is a city which has N interesting tourist spots, which are connected between themselves by...
Set the Meeting
Three colleagues Motu, Biscuit and Ramjan are in Sundarbans now. They are on a mission to protect th...
Scarlet Speedster
The scarlet speedster of Central City, popularly known as the Flash is fighting an epic battle again...
Multiverse Of Courier Service
Dr. Strange finally discovered a safe way to travel between parallel universes. By noticing people’s...
Best Place to Arrange Contest
We are going to arrange the 7th CPU CSE programming contest in our department. But to arrange a cont...
Milad's Lost Tree
Milad likes trees so much. He has a rooted tree with $n$ vertices each of which has some non-negativ...
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...
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...
Village Fair 2
There are N houses in a village far away from here. They are numbered from 1 to N. For this problem ...
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.