Help!! I have WA on 6test, but I don't no where my mistake
program Basn;

[code deleted]

Edited by moderator 06.07.2006 16:28

Hi!!!

For input:
2
ab
ba

Your program outputs "0", but it must be "1";

I reccomend you to use KMP algo to solve this problem.

You can find KMP algo theory at http://www.codenet.ru/progr/alg/kmp.php

Good Luck!!!