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1787: [Ahoi2008]Meet 紧急集合DescriptionInputOutputSample Input6 4 1 2 2 3 2 4 4 5 5 6 4 5 6 6 3 1 2 4 4 6 6 6 Sample Output 5 2 2 5 4 1 6 0 HINT题解：求出两两lc... 阅读全文
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B. Pasha and PhonePasha has recently bought a new phonejPagerand started adding his friends' phone numbers there. Each phone number consists of exactl... 阅读全文
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D. Max and BikeFor months Maxim has been coming to work on his favorite bicycle. And quite recently he decided that he is ready to take part in a cycl... 阅读全文