http://www.ioi-jp.org/apio2012/ — asian pacific informatics olympiad. People, who participated in it, let's discuss problems, after the second open contest. You still have a chance to take a part in the second contest by the way.
http://www.ioi-jp.org/apio2012/ — asian pacific informatics olympiad. People, who participated in it, let's discuss problems, after the second open contest. You still have a chance to take a part in the second contest by the way.
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Is there a way to solve kunai without using 8 range trees?