Problem2139--Factorial

2139: Factorial

Time Limit: 1 Sec  Memory Limit: 128 MB
Submit: 57  Solved: 25
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Description

Use the function to find the factorial of n(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

185 
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