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Discussion on: Write a program or script to find Lucky Numbers

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Heiko Dudzus Author • Edited on

1.6 on my Laptop. I could speed this one up to 1.2 by counting every element you set to n+1. Then:

k := len(lucky) - counter

No need for the second inner loop (counting up k), then.

Nice. My best Go attempt on an array was 6.5s. I have to think about, why this is faster.