Distinct Permutations You are given two binary strings A and B. Recall that binary string is a non-empty sequence of chara... |
Video Game Shefin is playing a game. In this game there are N buildings numbered from 1 to N. Each building has... |
Alice in Candyland Alice came up with a new game. In this game called "Candy Quest", there is a NxN size 2D grid. In ea... |
Poltu and Digit Product You are given two integer L and R. You have to find the summation of digit product of all number fro... |
Perseus and The New Challenge The life of princess Andromeda, the daughter of King Cepheus and Queen Cassiopeia of Ados, is in dan... |
T5 Racing It is high time for the annual T5 racing and your team is planning to win the race. In T5 racing the... |
Rainy Day You have to complete N tasks tomorrow, where each task can last for any number of minutes. Each task... |
Subway Surfers Jake is a character of a well-known game named Subway Surfers. He is being chased by police because ... |
Shopping is Fun!! Mr. Hikiko passed his Eid without shopping because of ongoing lockdown. Now, Govt. removed the lockd... |
A Giveaway Mr. Tom is the head of ICPC world final organizing committee. For the world final, he comes to Dhaka... |
Poltu and Interesting Number Poltu Loves interesting number. So he wants to find this type of number. The definition of an intere... |
Switchblade of Thanos We all know that Thanos “The Mad Titan“ had two adopted daughters, Gamora and Nebula. But did you kn... |
Chocolate There is a shop named Chocolove in the Codeland. There are many chocolates in the shop. Each chocola... |
Inversions and Goodbye It's time to say goodbye to CSEmpur, at least for today. And so you wanted to give the citizens of C... |
Shrink the Array You have an array of size N which contains positive integers. You can apply the following operation ... |
Sticking Pins You are sticking pins on a 2D board at N given coordinates. However, since you are not very good at ... |
Game of Destruction You are playing the deadly game Game of Destruction. You will be given a list of integers. In each s... |
Complex Tashreef Tashreef finally received the Zuinness Journal of Galactic records recognition for being the most co... |
Birthday Present?! As everyone gifts graphs or strings to people on their birthdays, Oyshee’s friends decided to do som... |
Bikpik Colony Bikpiks are very small aliens. Day by day they are becoming very dangerous for human being. They liv... |
Random Graphs This problem is very easy. There's a graph of $N$ nodes. Each edge $u-v$ ($u >= v ; u = v$ is possib... |
Move It! Few of my friends are working on a game called “Move It!”. It's a tile-based game played on an $n\ti... |
Train Hijack You and your friend Daneliya Tuleshova are planning to hijack a train. Your friend will go inside a... |
Interesting Pile Game Turja and Akash are playing an interesting game. Initially a pile of N stones is given to them. Each... |
Efficient Construction on Mars Elon Musk has constructed N cities numbered from 0 to N−1 on Mars. He initially planned to construct... |