Problem D: Power Strings

Problem D: Power Strings

时间： 1ms        内存：128M

描述：

Problem D: Power Strings

Given two strings a and b we define a*b to be their concatenation. For example, if a = "abc" and b = "def" then a*b = "abcdef". If we think of concatenation as multiplication, exponentiation by a non-negative integer is defined in the normal way: a^0 = "" (the empty string) and a^(n+1) = a*(a^n).

Each test case is a line of input representing s, a string of printable characters. For each s you should print the largest n such that s = a^n for some string a. The length of s will be at least 1 and will not exceed 1 million characters. A line containing a period follows the last test case.

输入：

输出：

示例输入：

abcd
aaaa
ababab
.

示例输出：

1
4
3

提示：

参考答案：

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