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Problem Description Peter is studying in the third grade of elementary school. His teacher of geometry often gives him difficult ... 阅读全文
posted @ 2015-05-16 19:59
Herumw
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Little Petya likes points a lot. Recently his mom has presented him n points lying on the line OX. Now Petya is wondering in how many ... 阅读全文
posted @ 2015-05-16 16:08
Herumw
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Problem DescriptionThere is a sequence of integers. Your task is to find the longest subsequence that satisfies the following conditio... 阅读全文
posted @ 2015-05-16 11:09
Herumw
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