Factorial Of A Given Number
Think before you code.Compute n! for a small n with a single accumulating loop.
easy
Factorial Of A Given Number
You are given an integer n. Return the value of n! or n factorial.
Factorial of a number is the product of all positive integers less than or equal to that number.
Example 1
Input : n = 2
Output : 2
Explanation :
2! = 1 * 2 = 2.
Example 2
Input : n = 0
Output : 1
Explanation :
0! is defined as 1.
Example 3
Input : 3
Output : 6
Constraints
0 <= n <= 10