Find first missing positive: Difference between revisions
Added Sidef
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(Added Sidef) |
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{{out}}
<pre>3, 2, 1</pre>
=={{header|Sidef}}==
<syntaxhighlight lang="ruby">[[1,2,0], [3,4,1,1], [7,8,9,11,12],[1,2,3,4,5],
[-6,-5,-2,-1], [5,-5], [-2], [1], []].each {|arr|
var s = Set(arr...)
say (arr, " ==> ", 1..Inf -> first {|k| !s.has(k) })
}</syntaxhighlight>
{{out}}
<pre>[1, 2, 0] ==> 3
[3, 4, 1, 1] ==> 2
[7, 8, 9, 11, 12] ==> 1
[1, 2, 3, 4, 5] ==> 6
[-6, -5, -2, -1] ==> 1
[5, -5] ==> 1
[-2] ==> 1
[1] ==> 2
[] ==> 1</pre>
=={{header|True BASIC}}==
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