Prime RangePrime Numbers are such numbers which are only divided by 1 and t...

N'th PrimeIn this problem, you will have to print the nth prime number. Th... 
Beauty of APSolving problems is fun in competitive programming, right? So le...

Rivalry FriendsRyo and his girlfriend love to think about challenges. One day h... 
Correct the SieveSieve of Eratosthenes is a fast algorithm for finding prime numb... 
Left PrimePrime numbers are the ones which can only be divided by 1 and th...

Is It a Perfect Square?Given some numbers, can you tell, if the product of these number... 
The Game Is Back OnMoriarty is bored again. When he gets bored, the only thing he w...

Admission GiftDuring admission exams in the city of RR (Royal Royal city), the...

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

Magic NumberJack loves to play with numbers. One day, while he was playing w...

Relatively PrimeGiven a positive integer N, determine how many of the integers b... 
Equation Equals HazardsYou are given the equation, GCD(A,M) = 1. You have to determine ...

CoPrime Enemy PairTwo integers A and B are known as coprime or relatively prime i...

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

Love Letters!Lately Fahim is getting a lot of love letters. A LOT of love let... 
A Lack of Common DivisorsGiven a positive integer N, determine how many of the integers b... 
Exponential GrowthYou will be given two integers X and N, you have to calculate XN... 
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 ...

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

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

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)...

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

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

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

Chowdhury Saheb & the NumbersYou like short description of problems? Me too! Let’s go to an e... 
Meena O Dosto SeleDosto sele Dipu and his friends used to disturb Rita Apu everyda...
