Register here to receive your personalized user name and
password for the USACO Training Program and USACO Contests.
Your name and password will also be immediately sent via
return e-mail. Check your spam mailbox if you don't see the
Registrations with invalid email addresses will not receive a password. Registrations with obviously fraudulent names will be deleted without warning.
New alternative captcha (just solve a quadratic) now available; problems to firstname.lastname@example.org .
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