For Loop FTW You are given an integer N which can be represnted as the product of two positive integers. $ N = a_... |
Beauty of AP Solving problems is fun in competitive programming, right? So let’s solve a fun task today too :P. 1... |
Perfect Points Perfect lines are the lines y=mx+c such that m and c are positive integers. Perfect points are the p... |
Composite Facts Let's define two functions F and S: F(n) = 1 + n! S(n,m) = Sum of first m non-prime integers which ... |
Easy Prime! There are N numbers in an array. You will have Q queries. In each query, you can make 2 operations. ... |
Is It Perfect Bob has an initial array D of length n . Alice is a good friend of Bob. So Bob challenges Alice to f... |
M-Sequence A sequence is called M-sequence if after removing zero or more elements from the sequence the GCD of... |
Welcome to Criterion Rounds The team congratulates you for participating in this contest and for being part of the journey towar... |
Mr Makor And His Friends Mr Makor has a set S of n integers. He calls a sequence of length k special if every element of the ... |
How Many Pairs of LCM? A Common Multiple of two integers a and b is an integer X, such that both a and b divides X. A numbe... |
Left Prime Prime numbers are the ones which can only be divided by 1 and the number itself. 2, 3, 5, 7, 11, 13 ... |
Kitchen Decorate Shira has now decided to decorate her kitchen of height H and width W more precisely, she wants to t... |
Birthday Surprise Adnan bhai, Priyom dada and Shuvo bhai are the members of MU_Kheloars. They recently got graduated a... |
The Greedy Mathematician Once upon a time, there lived a man called Mahi the mathematician. He was banned from his kingdom be... |
Secret Meeting The world is terrified by Pandas! After a miraculous chemical explosion, they became smarter; and ev... |
I Am Good 2.0 I am trying to become a good guy, giving contestants as little pain as possible. So, this problem is... |
GCD Plus LCM In this problem you will be given two integers a, b. You have to answer if GCD(a,b)+LCM(a,b)=a+b is ... |
Crypto-Number Walt and Gus have a great rivalry. Recently Gus has developed a cryptographic system. Walt is trying... |
Is It a Perfect Square? Given some numbers, can you tell, if the product of these numbers are a perfect square or not? A num... |
No Onion, No Cry -Onions make us cry, don't they? They can make us happy too. -How? -Read the statement carefully! I... |
K-Th Root You will be given Q queries. In each query, you will be given two positive integers A and B. You hav... |
Love Letters! Lately Fahim is getting a lot of love letters. A LOT of love letters. Since he is confused about whi... |
Birthday Gift for SJ Today is your best friend SJ’s birthday. You want to buy a birthday present for her. You want to buy... |
Magician's Offer! Rosi Vidmun is a greedy landlord who likes to grab as much land as he can. Currently he has P square... |
Co-Prime Enemy Pair Two integers A and B are known as co-prime or relatively prime if their greatest common divisor GCD ... |