Problem 52769. Easy Sequences 22: Sum of Proper Fractions
50.0% Correct | 50.0% Incorrect
Last Solution submitted on Apr 06, 2023
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
There is a shortcut using Mobius Inversion...
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