Envío 2832

Código

import java.util.Scanner;
public class Main {

    public static void main(String[] args) {

        //input dimensiones
        String cadena = leer.nextLine().trim();

        int count = 0;
        int i = 0;
        int k = 1;
        boolean continuar = true;
        //String borde = "";
        boolean finalizar = false;

        while (k < cadena.length()-1 && !finalizar) {
            i=0;
            continuar=true;
            while (i < cadena.length() - k && continuar) {
                if (cadena.charAt(i) == cadena.charAt(i + k)) {
                    count++;
                    //borde += cadena.charAt(i);
                } else {
                    continuar = false;
                    count=0;
                    //borde="";
                }
                i++;
            }
            if (continuar) {
                finalizar = true;
            }
            k++;
        }

        System.out.println(count);
        //System.out.println(borde);

    }
    
     public static Scanner leer = new Scanner(System.in);
}