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Lucy and Flowers

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  • hacker_am1xh53a + 0 comments

    Nice idea of modReverse! With that a linear (not quadratic) recurrent approach is possible.

  • prmondal + 1 comment

    @sentinel45: Please explain generation of catalan number in editorial solution in depth.

    • shashank21jHackerRank Admin + 2 comments

      Hi you can refer http://en.wikipedia.org/wiki/Catalan_number

      • prmondal + 0 comments
        [deleted]
      • ravindra8 + 0 comments

        The formula in the link that used is Cn+1 = (2*(2n+1)*Cn)/(n+2) and n can be stored in 32 bit integer. Then, why is it necessary to calculate modInverse or generateInverse while we can directly use (n+2) ????? Please explain me...

  • lizajohn0001 + 0 comments

    Lucy's was excellent. I got an organization from my friend at assignment help - assignmentmoz. I was swept away by the variety of flowers in my autumn basket. The flowers were fresh and satisfied for two weeks, I will surely use Lucy's in the near future!

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