Wizard Duel Wizard Duel is approaching soon in Hogwarts and the students of the Dueling Club are absolutely thri... |
On My Way One fine morning you discovered yourself standing in a maze. The maze can be considered a connected ... |
Efficient Construction on Mars Elon Musk has constructed N cities numbered from 0 to N−1 on Mars. He initially planned to construct... |
Spreadsheet v1 Are you trying to find a problem that is easy to solve? Even if it involves writing a lot of code? T... |
Best Place to Arrange Contest We are going to arrange the 7th CPU CSE programming contest in our department. But to arrange a cont... |
MEXimum Let’s get straight to the point. You are given a tree. In the tree, each node u has a number au ass... |
Multiverse Of Courier Service Dr. Strange finally discovered a safe way to travel between parallel universes. By noticing people’s... |
Marbles Per Second You have a rooted tree of n nodes. If we traverse the tree from the root, let’s say the traversing o... |
MangoSmash Your friend has come to visit the RUET campus. As the Mango season goes on ⋯, he/she said “Mama Aam ... |
Set the Meeting Three colleagues Motu, Biscuit and Ramjan are in Sundarbans now. They are on a mission to protect th... |
Many Paths, Many Costs Alice and Bob are visiting Byteland. They are observing the map of this country. Surprisingly, the m... |
Birthday Present?! As everyone gifts graphs or strings to people on their birthdays, Oyshee’s friends decided to do som... |
Nilkhet You’re planning to start a library for the next n days, where you will rent books to students. Each ... |
Counting Friends Johnny uses a social network called Supernova. Unlike the other social networks, Supernova does not ... |
Adam Young “It's hard to say that I'd rather stay awake when I'm asleep 'Cause everything is never as it seems ... |
A Game of Bots You were idly scrolling through your Phesbook feed one morning when you discovered an ongoing event ... |
Cheap Tourist The country of Byteland is divided into N provinces numbered from 1 to N. The provinces are connecte... |
Hidden Graph There is an unweighted, undirected hidden graph. You are given an integer range from L to R. There a... |
Pretty Diabolical TRAOMBINNAA is going to be Billy Butcher's base for the next season of the boys. He is going to buil... |
Change Queries Today is a very special day for Rubel. Recently he got a job in a software company. Now today is the... |
XOR Tree You are given a tree with N vertices. A tree is a connected undirected graph without cycles. The tre... |
Shortest Path? Given an unweighted, undirected and connected graph consists of $N$ nodes numbered from $1$ to $N$. ... |
Taofiq the House Prefect Tomorrow is a very special day for Taofiq. He is participating in an intra school quiz contest. As h... |
I Hate Long Description There are N cities in the country AjobDesh and M one way roads connecting the cities. There lives ex... |
Sayadpur City Bob wants to visit a new country called sayadpur. There are N cities (1,2,3,…,N) in sayadpur, and th... |