Finding Nim positions consisting of heap sizes n, 2n and 3n for n ≤ 230 that result in a losing game.
Powers With Trailing Digits
Prove analytically that the sum of the squares of the four sides of a parallelogram is equal to the sum of the squares of the diagonals.
Missing Term in an Arithmetic Progression
Magic Squares While working on an idea for maximizing a return on a financial portfolio using magic squares, we though we would share our Python code in case someone else may have some use for it. import string def make_magic_square(n): if n < 1 or n == 2: return False if n % 2 == […]
Make plurals of English words from the given input
Build a fence to maximize an area enclosed between the fence and a fixed wall
Add two reversed numbers and output their reversed sum
Find the number of trailing zeros in a factorial
Find the largest volume of a cylinder cut and formed from a sheet of paper