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I found a more efficient implementation here for those performance geeks. (Prime factorization is even better, but probably overkill.)
Note: Linked answer is slightly wrong, looks like they forgot to add the number itself to the sum. But you get the idea.
Day 19: Interfaces
You are viewing a single comment's thread. Return to all comments →
I found a more efficient implementation here for those performance geeks. (Prime factorization is even better, but probably overkill.)
Note: Linked answer is slightly wrong, looks like they forgot to add the number itself to the sum. But you get the idea.