### Problems by ridowan007

 ChikonguniaChikongunia is an epidemic in Dhaka right now. Many people are affected by this. But the problem is,... Hashing Moderate 141/209/2k Divide Candy AgainThere are N boxes with candies numbered from 1 to N. The number of candies in the boxes numbered 1 t...  18/23/124 Easy Sequence 1Let’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...  Very Easy 283/331/546 Easy Sequence 2Let’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 HaJoker has finally created a master plan to defeat Batman. He has given Batman a geometric problem. A... Geometry 742/771/1k 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 TellYou 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 SequencesYou will be given a set of sequences. Each sequence is a list of numbers. Two sequences are K-simila...  Moderate 21/29/319 Third DimensionMr. J wants to learn about combinatorics. He started reading a book on combinatorics and came across...  Moderate 114/142/237 