Problems by ridowan007

Chikongunia
Chikongunia is an epidemic in Dhaka right now. Many people are affected by this. But the problem is,...
Divide Candy Again
There are N boxes with candies numbered from 1 to N. The number of candies in the boxes numbered 1 t...
Easy Sequence 1
Let’s define an easy sequence F. Where: F(1)=1 F(2X)=F(X)2+1 F(2X+1)=F(X)×F(X+1)+2 Here X is a posit...
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(...
DP Moderate 133/169/557
Ha Ha Ha
Joker has finally created a master plan to defeat Batman. He has given Batman a geometric problem. A...
Just Primes II (Easy)
Given a positive integer N, calculate the minimum number of distinct primes required such that their...
Moderate 101/116/268
Numbers Tell
You will be given N and M, how many ways we can take two numbers from 1 to N so that their absolute ...
Moderate 27/53/198
Subset of Sequences
You will be given a set of sequences. Each sequence is a list of numbers. Two sequences are K-simila...
Third Dimension
Mr. J wants to learn about combinatorics. He started reading a book on combinatorics and came across...
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