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I wanted to register at a (reasonably popular!) forum, and in the registration form, I got the following 'Captcha' challenge to solve...
int i = 2;
int h = "ZNC".hashCode() % 3000;
int t = "WMN".hashCode() % 3000;
for (int l = 0; l <= t; l++)
i = (i ^ l) % h;
return i;
What is the retu...