"be consistent" | |
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Re^3: Puzzle Timeby LanX (Saint) |
on Dec 23, 2012 at 15:25 UTC ( [id://1010106]=note: print w/replies, xml ) | Need Help?? |
> Allow me one nit-pick: Yeah I noticed this, but was too tired to correct it. =) Anyway my guess was wrong (9!+8!+7!+...) you got it right. > (way faster than my brute force approach). If it's about speed you can limit the $maxlevel, because the longest number can't have more than 7 digits:
Even your approach with a brute force loop could compete when only considering 7 digits, cause you don't have the overhead of 1 million function calls.
Cheers Rolf ¹) and therefor a 7 digit number excludes 4 to be divisible by 9.
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