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...
DP Moderate 39/46/125
Efficient Construction on Mars
Elon Musk has constructed N cities numbered from 0 to N−1 on Mars. He initially planned to construct...
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