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Description For the given sequence with n different elements find the number of increasing subsequences with k + 1 elements. It is guaranteed that the 阅读全文
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Description Pashmak's homework is a problem about graphs. Although he always tries to do his homework completely, he can't solve this problem. As you 阅读全文
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Description Parmida is a clever girl and she wants to participate in Olympiads this year. Of course she wants her partner to be clever too (although h 阅读全文
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Description Recently Pashmak has been employed in a transportation company. The company has kbuses and has a contract with a school which has n studen 阅读全文
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Description Pashmak decided to give Parmida a pair of flowers from the garden. There are n flowers in the garden and the i-th of them has a beauty num 阅读全文
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Description Pashmak has fallen in love with an attractive girl called Parmida since one year ago... Today, Pashmak set up a meeting with his partner i 阅读全文