Factorial
The factorial of an integer
n
is defined as the product of all the integers from 1
up to n
.Write a program that given a single integer
n
, would print the result of n!
in the output.Input | Output |
1 | 1 |
5 | 120 |
0 | 1 |
Constraints
Time limit: 2 seconds
Memory limit: 512 MB
Output limit: 1 MB