The 8th test case is correct and can be solved within Cody's time limit. Why is it not being used? Up to 200.000, there are 20 amicable pairs.
For instance 176272,180848 is the 20th pair. For 3e5 my code can't go fast enough for Cody (45s), but I've found just 2 additional pairs 196724, 202444 and 185368, 203432.
Is my wife right?
Maintain shape of logical-index mask
Back to basics 12 - Input Arguments
Wind outward from the center ...
Set a diagonal
How many ways?
Sieve of Eratosthenes - 02
An n-sided regular polygon is drawn within a circle whose radius is 'r', what will be the area of the polygon?
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