What is the best way to find the period of a (repeating) list in Mathematica?

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没有蜡笔的小新 2021-01-01 15:12

What is the best way to find the period in a repeating list?

For example:

a = {4, 5, 1, 2, 3, 4, 5, 1, 2, 3, 4, 5, 1, 2}

has repeat

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天命终不由人 (楼主)

2021-01-01 16:11

#include 
#include 
using namespace std;


int period(vector v)
{
    int p=0; // period 0

    for(int i=p+1; i v3{1,2,3,1,2,3,1,2,3};
    cout<<"Period is :\t"< v0{1,2,3,1,2,3,1,9,6};
    cout<<"Period is :\t"< v1{1,2,1,1,7,1,2,1,1,7,1,2,1,1};
    cout<<"Period is :\t"<