ansaurus

Question

Answer 1

+5 A:

  {⍬⍴(⍳1+⍴⍵)~⍵} 1 8 4 9 0 2

3

2009-09-08 15:51:05

Thanks, but I can't read the presumabley APL font. Can you post it in psuedo code?

2009-09-08 15:59:08

first(iota 1 plus shape arg)without arg

2009-09-08 16:01:12

Thanks! That's genious. No matter what the magnitude of the given integers are, the answer must be less than 1 plus the count. Very nice.

2009-09-08 16:09:19

In APL, how can I compute the lowest unused positive integer from a given set of integers?