Problem2137--Calculation factorial

2137: Calculation factorial

Time Limit: 1 Sec  Memory Limit: 128 MB
Submit: 77  Solved: 31
[Submit] [Status] [Web Board] [Creator:]

Description

Use the function to find the factorial of n(don't use recursion)

Input

Given a positive integer

Output

a positive integer representing the factorial result

Sample Input Copy 

2

Sample Output Copy 

2

Source/Category

184 
[Submit] [Status]