Problem1363--计算n的阶乘 初级版

1363: 计算n的阶乘 初级版

Time Limit: 1 Sec  Memory Limit: 128 MB
Submit: 7  Solved: 7
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Description

输入自然数n (n<12),计算n的阶乘 n!

n! = 1 x 2 .... x n 

如4的阶乘 4! = 1 x2 x 3 x 4 = 24

Sample Input

4

Sample Output

24

Source/Category