Alex

Mike has a frog and a flower. His frog is named Xaniar and his flower is named Abol. Initially(at time 0), height of Xaniar is h1 and height of Abol is h2. Each second, Mike waters Abol and Xaniar.So,

Problem Description On Mars, there is a huge company called ACM (A huge Company on Mars), and it’s owned by a younger boss.Due to no moons around Mars, the employees can only get the salaries per-year

Mathematically some problems look hard. But with the help of the computer, some problems can be easily solvable.In this problem, you will be given two integers a and b. You have to find the summation o

Description We say that integer x, 0 < x < p, is a primitive root modulo odd prime p if and only if the set { (xi mod p) | 1 <= i <= p-1 } is equal to { 1, …, p-1 }. For example, the consecutive power

Description Given n, a positive integer, how many positive integers less than n are relatively prime to n? Two integers a and b are relatively prime if there are no integers x > 1, y > 0, z > 0 such t