2429: 【C语言训练】计算一个整数N的阶乘

Memory Limit:128 MB Time Limit:1.000 S
Judge Style:Text Compare Creator:
Submit:56 Solved:37

Description

计算一个整数N的阶乘

Input

一个整数N, (0〈=N〈=12)

Output

整数N的阶乘.

Sample Input Copy

5

Sample Output Copy

120