I Did Not Do the Assignment Professor Petr is very angry over some of his students now-a-days for not doing assignment. He wants... |
N-th Prime In this problem, you will have to print the n-th prime number. The first few prime numbers are given... |
For Loop FTW You are given an integer N which can be represnted as the product of two positive integers. $ N = a_... |
Easy Prime! There are N numbers in an array. You will have Q queries. In each query, you can make 2 operations. ... |
Correct the Sieve Sieve of Eratosthenes is a fast algorithm for finding prime numbers in larger ranges. According to W... |
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 ... |
Left Prime Prime numbers are the ones which can only be divided by 1 and the number itself. 2, 3, 5, 7, 11, 13 ... |
Largest Prime A positive integer number n is called a prime number, if it is only divisible by 1 and n itself, whe... |
Life of Phi The Great Khami is learning Number Theory. He is very excited to know that Euler's Totient Function ... |
Challenging Lover Greetings to all of you. You must have heard about our star programmer Rafat bhai. One day he went o... |
Rivalry Friends Ryo and his girlfriend love to think about challenges. One day his girlfriend gave him a challenge t... |
Magic Number Jack loves to play with numbers. One day, while he was playing with numbers he found something inter... |
Exponential Growth You will be given two integers X and N, you have to calculate XN modulo 1000000007. |
Relatively Prime Given a positive integer N, determine how many of the integers between 1 and N are co-prime with N. ... |
Zacob the Batsman It's known that Zacob is a reliable batsman of LU CSE Cricket Team. Also as long as he is on the cre... |
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. ... |
Ishtiaque and the Rabbit Mr Ishtiaque is in trouble. A few months ago, he bought 2 rabbits. He wanted to have two pet rabbits... |
Prime Team There are n players standing in a line. Each of the players is assigned a unique jersey number. You ... |
Love Letters! Lately Fahim is getting a lot of love letters. A LOT of love letters. Since he is confused about whi... |
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... |
K-Th Root You will be given Q queries. In each query, you will be given two positive integers A and B. You hav... |
Prime Range Prime Numbers are such numbers which are only divided by 1 and the number itself. 2, 3, 5, 7, 11, 13... |
Prime Factors Given an integer N, can you determine its prime factors? |
Arrange the Bricks! You have $N$ bricks two dimensional bricks of the dimension $1 \times 2$. The bricks are rotatable i... |
Fast Co-Prime Two numbers A and B are called co-prime if the only common positive factor of the two numbers is 1. ... |