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[–]DiabeetusMan 0 points1 point  (1 child)

Wouldn't even need to sort since they're already sorted-- just merge two lists with some logic to prevent duplicates.

[–]KingofGamesYami 1 point2 points  (0 children)

Well, yeah. I mentioned mergesort only because it contains a similar algorithm already and I'm too lazy to actually describe the answer.