Digital root is the recursive sum of all the digits in a number. Given n, take the sum of the digits of n. If that value has more than one digit, continue reducing in this way until a single-digit ...

Birds and animals have been speaking to humans for as long as one can remember Theres a story behind every animal or bird behaviour if legends can have it Whether you believe the animal kingdom to be ...

Function for finding the triplets with a given sum in the array using hashing. Given a list of integers, return elements a, b, c such that a + b + c = 0.