摘要：
Misha hacked the Codeforces site. Then he decided to let all the users change their handles. A user can now change his handle any number of times. But 阅读全文
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Ignatius is so lucky that he met a Martian yesterday. But he didn't know the language the Martians use. The Martian gives him a history book of Mars a 阅读全文
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Contest time again! How excited it is to see balloons floating around. But to tell you a secret, the judges' favorite time is guessing the most popula 阅读全文
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A - Ignatius and the Princess II Now our hero finds the door to the BEelzebub feng5166. He opens the door and finds feng5166 is about to kill our pret 阅读全文