Ishtiaque and the Rabbit
Mr Ishtiaque is in trouble. A few months ago, he bought 2 rabbits. He wanted to have two pet rabbits...
Switches
Technology is going ahead very fast. How can we know what will we get in future? One day you met a g...
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...
N-th Prime
In this problem, you will have to print the $n$-th prime number. The first few prime numbers are giv...
Challenging Lover
Greetings to all of you. You must have heard about our star programmer Rafat bhai. One day he went o...
Birthday Surprise
Adnan bhai, Priyom dada and Shuvo bhai are the members of MU_Kheloars. They recently got graduated a...
Magic Number
Jack loves to play with numbers. One day, while he was playing with numbers he found something inter...
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 ...
Unique Relief
Thanos has now figured out how to visit all the houses in the flood-affected area. However, now he h...
Phi Numbers in Range!
In number theory, Euler’s phi function, denoted as ϕ(n), is an arithmetic function which counts the ...
A GRE Themed Contest Problem
Sadman and Najkin were solving a GRE math problem, Rejbah another friend of theirs listened to that ...
Relatively Prime
Given a positive integer N, determine how many of the integers between 1 and N are co-prime with N. ...
A Lack of Common Divisors
Given a positive integer N, determine how many of the integers between 1 and N are co-prime with N. ...
Life of Phi
The Great Khami is learning Number Theory. He is very excited to know that Euler's Totient Function ...
Exponential Growth
You will be given two integers X and N, you have to calculate XN modulo 1000000007.
Mystery of Fibonacci
Fibonacci sequence is a recursive sequence that depends on the following definition: Fib(N) = Fib(N-...
Life of Phi II
You will be given two integers n and m where GCD(n,m)=1. You have to tell that how many numbers are ...
Tree Business
To become economically stable, Saturn has come up with a new kind of business, tree business. At fir...
Hange and Her Gear
Hange has developed a special gear to attack the Cart Titan. The gear is a round, disc-like object. ...
Omae Wa Mou Shindeiru
Itachi and Sasuke are trying to beat Kabuto, the caster of an awesome magical spell (or you can say ...
Modulo
Let's get straight into the problem. In ths problem, here will be multiple test cases. In each test ...
Day-Month-Year
Meena is a talented girl in her class. She likes to brainstorm in her leisure times. One day, she wa...
Admission Gift
During admission exams in the city of RR (Royal Royal city), the students of RR University of Engine...
Rivalry Friends
Ryo and his girlfriend love to think about challenges. One day his girlfriend gave him a challenge t...
Is Bita Happy?
Bita has learned bitwise-operations recently. She is doing some experiments with these operations no...
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