C++ Algorithm to Check Ugly Number
Write a program to check whether a given number is an ugly number. Ugly numbers are positive numbers whose prime factors only include 2, 3, 5. For example, 6, …
Category: math
C++ Coding Exercise – Add Digit – Digit Root
Given a non-negative integer number, repeatedly add all its digits until the result has only one digit. For example: Given num = 38, the process is like: 3 + …
How to Convert Arabic Numerals (Integers) to English Words (C/C++ Solution)?
September 6, 2015
c / c++, code, code library, coding exercise, leetcode online judge, math
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Convert a non-negative integer to its English words representation. Given input is guaranteed to be less than 231 – 1. For example, 123 – “One Hundred Twenty Three” 12345 …
Area of the Shadow? – The Monte Carlo Solution in VBScript
July 20, 2015
algorithms, math, monte carlo, Monte Carlo Simulation, Monte Carlo Simulation Algorithm, vbscript
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If you want to solve the following puzzle then it may be not so easy/intuitive at a glance. It is a square and 20 is the area with e.g. …
Calculate the Number of Boundary Cubes and Boundary Squares of a NxN Rubik Cube
We all know what rubik cubes. For example, here is a 2×2 rubik cubes and here is a 3×3 rubik cubes. The number of squares of a side for …