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/prog/ Challenge

Name: Anonymous 2007-09-04 15:06 ID:bG0CVxDp

Hey, I've stolen this challenge from some website, it's pretty easy but I know most of you will fuck it up.

A sequence is defined by:

n -> n/2 (n is even)
n -> 3n + 1 (n is odd)

Find the longest sequence, with a starting number under one million.

Bonus points when you find the solution for ten million.

Name: Anonymous 2007-09-05 14:38 ID:N3V2WcCD

>>86
Interesting .. 35% faster to test & 1 rather than % 2.

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