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.
Calculate the Levenshtein distance between two strings
Check to see if a Sudoku Puzzle is Solved
Project Euler: Problem 3, Largest prime factor
Rotate a Matrix
Set some matrix elements to zero
Tell your secret
Connect Four - 02
Hanging cable - 02
Take it out
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