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Help needed in Ad Infinitum 17 problem
By karansiwach360, history, 8 years ago, In English

Hi, Can someone please help me out with this problem which appeared in Ad Infinitum 17 on Hackerrank.

Problem Link: https://www.hackerrank.com/contests/infinitum17/challenges/number-of-m-coprime-arrays

Thanks!

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8 years ago, # |
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Consider some prime P in factorization, sequence of powers should not have two consecutive non-zero powers, then you can multiply answers over distinct primes since they are independent. The first part can be done by matrix multiplication. Hint: matrix should have 2x2 size.

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