Geometry ForeverFear no more, this is a problem of geometry! When Moyna was lit... 
Compute the CombinationLet P = C(N,0)  C(N,1) + C(N,2)  C(N,3) + … + C(N,N); where C(...

Irregular Is Tough, Regular Is Easy!Dr. Bari is working on some chemical formation. He believes that... 
Harry Potter and the Vault of Gringotts“There was a breakin of Gringotts Wizarding Bank on 1 May, 1998...

Third DimensionMr. J wants to learn about combinatorics. He started reading a b...

String PlayMilo has a string S of length L. Tutu picks a random prefix and ...

Sofdor Ali's RestaurantOne of Sofdor Ali’s greatest accomplishment was his Biriyani res...

Sofdor Ali and RadioactivitySofdor Ali is the craziest and clumsiest scientist in Bangladesh...

Magician's Offer!Rosi Vidmun is a greedy landlord who likes to grab as much land ...

Obligatory IDPC ProblemThere are n people busy with arranging the upcoming Inter Depart...

Mr. Ant and His ProblemMr. Ant has 3 boxes and the infinite number of marbles. Now he w...

Bad NeighborsIn the strange neighborhood of Nocu, a lot of people lives prett...

Meera and Solo ChocolatesMeera bought candies from the store. She is now going to distrib...

How Many Paths?You are at the top left corner[position (1,1)] of a **R X C ** g...

Bad Neighbors 2As some of you already know, Nocu City has a history of having b...

Subset of SequencesYou will be given a set of sequences. Each sequence is a list of...

Secret MeetingThe world is terrified by Pandas! After a miraculous chemical ex...

Counting is Difficult 2East West University Computer Programming Club (EWUCoPC) is arra...

Trivial SummationThe problem statement is so small. Give you four integers r, a, ...

The Game Is Back OnMoriarty is bored again. When he gets bored, the only thing he w...

XOR MasterImam has been participating in online programming contests for y... 
Kth DuoPalindromeAlice likes playing with Palindromes (strings that read the same...

Easy Peasy Subset SumLittle Oishee loves to watch TV. But her mother, who is a math t...

Little T2 and Dead CatsThe planet earth has become peaceful again because all the cats ...

This is Too Hard ☹Many many years ago there was a small country . And all the peop...

Mag the Mighty KaidulThe winter is about to come. Mag the Mighty Kaidul is waiting fo... 
Counting MurgisEver since that wicked thief took away some of her murgis (hens,...

Game of PalindromesIn a popular computer game, Game of Palindromes also known as GO... 
String in a Grid 2Prof. Bari loves to play with string. He is also very skilled in...

Bad CookMr. Meme has recently moved to a foreign country named “Glorylan...

Hange and Her GearHange has developed a special gear to attack the Cart Titan. The...

String FactoryWelcome to the string factory where strings are generated in a p... 
Bignum Arithmetic

Fast Fourier Transform

Number Theory

Probability & Statistics
