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Codechef K Fibonacci

I am getting WA for 2 subtasks in this question : https://www.codechef.com/problems/KFIB 

My solution : https://www.codechef.com/viewsolution/18321444

Could someone please point out my mistake ?

maths

Asked by: Shivam_Singhal on April 7, 2019, 6:34 p.m. Last updated on April 7, 2019, 6:34 p.m.

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1 Answer(s)

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The formula you are using to find the next term (i.e 2*a[i-1] -1) isn't correct .

Try this test case:

6 2

Your output: 9

Correct output: 8

Hope it helps :)

Shubham_Kumar_Gupta last updated on April 7, 2019, 6:34 p.m. 0    Reply    Upvote   

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