N'th PrimeIn this problem, you will have to print the nth prime number. Th... 
Exponential GrowthYou will be given two integers X and N, you have to calculate XN... 
Magic NumberJack loves to play with numbers. One day, while he was playing w...

Correct the SieveSieve of Eratosthenes is a fast algorithm for finding prime numb... 
The Game Is Back OnMoriarty is bored again. When he gets bored, the only thing he w...

Easy Prime!There are N numbers in an array. You will have Q queries. In eac...

Ishtiaque and the RabbitMr Ishtiaque is in trouble. A few months ago, he bought 2 rabbit...

Challenging LoverGreetings to all of you. You must have heard about our star prog...

Life of PhiThe Great Khami is learning Number Theory. He is very excited to...

Largest PrimeA positive integer number n is called a prime number, if it is o...

Unique ReliefThanos has now figured out how to visit all the houses in the fl...

Is It A Square?Shikamaru is the most brilliant student of his class. He is ve...

Fast CoPrimeTwo numbers A and B are called coprime if the only common posit...

Left PrimePrime numbers are the ones which can only be divided by 1 and th...

Birthday Gift for SJToday is your best friend SJ’s birthday. You want to buy a birth... 
Sofdor Ali and the Puzzle of WeightsSofdor Ali is one of the most famous scientists of Bangladesh. H... 
Magician's Offer!Rosi Vidmun is a greedy landlord who likes to grab as much land ...

Equation Equals HazardsYou are given the equation, GCD(A,M) = 1. You have to determine ...

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

CoPrime Enemy PairTwo integers A and B are known as coprime or relatively prime i... 
Secret MeetingThe world is terrified by Pandas! After a miraculous chemical ex...

Oh FunctionsLet’s define functions f and g as: f(x) = 2 * ( f(x1) + g(x1)...

Christmas TreeProfessor Rio has an amazing Christmas tree. Unlike other trees,...

Chowdhury Saheb & the NumbersYou like short description of problems? Me too! Let’s go to an e... 
Love Letters!Lately Fahim is getting a lot of love letters. A LOT of love let... 
Zacob The BatsmanIt’s known that Zacob is a reliable batsman of LU CSE Cricket Te... 
Laali Vs BessieOne day Raju discovered USACO and from that day he would spend a...

Meena O Dosto SeleDosto sele Dipu and his friends used to disturb Rita Apu everyda...

Trick or TreesOne day, Raju was out roaming in the woods,when he suddenly stum...

Birthday SurpriseAdnan bhai, Priyom dada and Shuvo bhai are the members of MU_Khe...

A GRE Themed Contest ProblemSadman and Najkin were solving a GRE math problem, Rejbah anothe...

Relatively PrimeGiven a positive integer N, determine how many of the integers b...

Bignum Arithmetic

Combinatorics

Fast Fourier Transform

Probability & Statistics

Sieve of EratosthenesA beginner's number theory tutorial on Sieve of Eratosthenes.

Euler's Totient FunctionIf you are given a number N, you have to determine how many integers between 1 and N have a GCD of 1 with N.
