Power Strings
Time Limit: 3000MS | Memory Limit: 65536K | |
Total Submissions: 33273 | Accepted: 13825 |
Description
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).
Input
Each test case is a line of input representing s, a string of printable characters. 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.
Output
For each s you should print the largest n such that s = a^n for some string a.
Sample Input
abcdaaaaababab.
Sample Output
143
Hint
This problem has huge input, use scanf instead of cin to avoid time limit exceed.
Source
1 #include2 #include 3 #include 4 #include 5 using namespace std; 6 7 int next[1000010],m; 8 char s[1000010]; 9 10 void get_next()11 {12 int i=0,j=-1;13 next[0]=-1;14 while(i