I'm not sure this saves any time. I didn't follow the algorithm, but if I understand the problem correctly, you still need to check $array[0] through $array[$n] regardless, if you're going to declare $n+1 as a first missing number. So why probe anything beyond that?

-- Randal L. Schwartz, Perl hacker

In reply to Re: first missing number by merlyn
in thread first missing number by japhy

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