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.
Tic Tac Toe FTW
Right and wrong
Eight Queens Solution Checker
Find third Side of a right triangle given hypotenuse and a side. No * - or other functions allowed
Change the sign of even index entries of the reversed vector
Do they touch?
Connect Four - 02
Last non-zero digit
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