Factovisors

2020年1月17日 1060点热度 0人点赞 0条评论

Factovisors

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描述:

The factorial function, n! is defined as follows for all non-negative integers n:

0! = 1
n! = n x (n - 1)! (n > 0)

We say that a divides b if there exists an integer k such that

k x a = b

输入:

The input to your program consists of several lines, each containing two non-negative integers, n and m, both less than 231.

输出:

For each input line, output a line stating whether or not m divides n!, in the format shown below.

示例输入:

6 9
6 27
20 10000
20 100000
1000 1009

示例输出:

9 divides 6!
27 does not divide 6!
10000 divides 20!
100000 does not divide 20!
1009 does not divide 1000!

提示:

参考答案:

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