Problem 52769. Easy Sequences 22: Sum of Proper Fractions
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Problem Comments
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2 Comments
David Hill
on 23 Sep 2021
Could not figure out how to speed up my code. Ended up having to use a lookup table to speed it up sufficiently.
Ramon Villamangca
on 28 Sep 2021
Hi,
There is a shortcut using Mobius Inversion...
Solution Comments
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2 Comments
Are Mjaavatten
on 28 Sep 2021
I too had problems with the time limit for large arguments and had to resort to a few tricks. But my solution is still general.
Ramon Villamangca
on 28 Sep 2021
There is a shortcut using Mobius Inversion...
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