FIBEASY Sept Long2019

Please debug this solution : https://www.codechef.com/viewsolution/26301401
Getting WA for 80 point test case.

Make your own log base 2 function. It’ll pass

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Would this approach work in python without defining custom log2 ?

Nope ! many python users tried but it didn’t worked i guess. You need to design your own log2 function

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I see. Appreciate your help. Sad though.

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Use built-in bit_length function instead of log2 and bit shifting for calculating power of 2
Refer to this solution, https://www.codechef.com/viewsolution/26334805

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I just used log2(long double (n)) and it worked
https://www.codechef.com/viewsolution/26625972

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