Find String Roots
In mathematics, the N-th root of a number M, is a number K such that K^N=M, i.e. KKK...K=M where k is multiplied N times.Input Format
Given a string S you have to find the maximum N such that the N-th root of S exists.
For ex :
If S= "sumsumsumsum", for N=2 the string T="sumsum" is the N-th root of S, While for N=4 its N-th root is T= "sum".
The actual answer would be 4, because there is no N-th root of S="sumsumsumsum" for N>4.
Note that for N=1 any string S is the N-th root of itself.
One line containing a non empty string S.Output Format
Output a single line with the greatest integer N such that there exists a string T that concatenated N times is equal to S.Question Video
1<= length of string <= 10^5Sample Input
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