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
OCD Returns!
This problem author has OCD (obsessive–compulsive disorder). One day his teacher gave him an array o...
Demonic Subset
Lets not waste your time with long tiring problem statement and just go straight to the point. You a...
Maximum Sum
Little Jimmy loves to play with numbers. One day he was playing with a number sequence. In his game,...
Super Mario Bros
Every kid loves to play Super Mario Bros. Mario moveু forward and collects coins in a stage. Stages ...
Sticking Pins
You are sticking pins on a 2D board at N given coordinates. However, since you are not very good at ...
Penguins of Madagaskar
You all heard about the Penguins of Madagaskar. They work for the penguin kind and loves cuteness. O...
Orchid Division
Quido has a square orchard full of various fruit and nut trees. The trees are planted in regular row...
Messy Table
Akib is a very good student but his reading table is very messy. One Friday afternoon, Akib is sitti...
Third Dimension
Mr. J wants to learn about combinatorics. He started reading a book on combinatorics and came across...
Ekupai
Hacker robot Ekupai is trying to hack a supercomputer. He needs a cheat code X to hack this computer...
Happiness
If you have a Tk 100 in your wallet, what would you do? You might have couple of ways to spend that ...
Perseus and The New Challenge
The life of princess Andromeda, the daughter of King Cepheus and Queen Cassiopeia of Ados, is in dan...
My Small Number
You are given two integers N and M. Find another integer X divisible by M that has the same number o...
Paying Bills
Mued is finally home for summer vacation after surviving yet another semester of the mighty CS Under...
Is Bita Happy?
Bita has learned bitwise-operations recently. She is doing some experiments with these operations no...
Happy Sub-Sequence
Recently Alex has participated in a programming contest. He became 1st runner up. He couldn't solve ...
Sofia
Sofia has just arrived in Bangladesh. Rather asking it some dumb questions, lets give it a maze prob...
Naughty Subsequence - V2.0
Mahib loves ‘Naughty Subsequence’-s. He will give you an array of characters ara[0,1,...,n-1] that c...
mashfiqur404 DP, DataStructure Very Easy 38/43/96
Poltu and Interesting Number
Poltu Loves interesting number. So he wants to find this type of number. The definition of an intere...
Easy Sequence 2
Let’s define a easy sequence F. Where $ F(1) = 1 $ $ F(2X) = F(X)^2 + 1 $ $ F(2X+1) = F(X) \times F(...
Dominoes Forever
Once when I was little, my father took me to a tobacco shop! It is surprising, but true. He asked th...
Bikpik Colony
Bikpiks are very small aliens. Day by day they are becoming very dangerous for human being. They liv...
Memes vs. Social Media
In this era of modern technology social media is the most powerful weapon and the viral issue is the...
Train Hijack
You and your friend Daneliya Tuleshova are planning to hijack a train. Your friend will go inside a...
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