Factorial
Lesson 15 of 32 in Coddy's Coding Problems course.
Factorial (!), in mathematics is the product of all positive integers less than or equal to a given positive integer.
Create a program that will calculate the factorial of a given positive number.
Challenge
MediumWrite a function named factorial that given a natural number N from input. Output it's factorial to the screen
5! = 1 * 2 * 3 * 4 * 5 = 120
Input
5
Output
120
Input
7
Output
5040
Try it yourself
int factorial(int a1) {
// Write code here
}All lessons in Coding Problems
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