Two sum: Difference between revisions
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SqrtNegInf (talk | contribs) m (→Functional: tweaks) |
SqrtNegInf (talk | contribs) m (→{{header|Perl}}: tweaks to avoid warnings, show revised output) |
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=={{header|Perl}}== |
=={{header|Perl}}== |
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{{trans|Python}} |
{{trans|Python}} |
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<lang perl> |
<lang perl>use strict; |
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use warnings; |
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use feature 'say'; |
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sub two_sum{ |
sub two_sum{ |
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my |
my($sum,@numbers) = @_; |
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my $num = shift; |
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my $i = 0; |
my $i = 0; |
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my $j = $# |
my $j = $#numbers - 1; |
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my @indices; |
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while ($i < $j) { |
while ($i < $j) { |
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if ($ |
if ($numbers[$i] + $numbers[$j] == $sum) { push @indices, ($i, $j); $i++; } |
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elsif ($numbers[$i] + $numbers[$j] < $sum) { $i++ } |
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else { $j-- } |
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} |
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if ($arr[$i] + $arr[$j] < $num) { |
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$i += 1; |
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} |
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else { |
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$j -= 1; |
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return; |
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} |
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} |
} |
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return @indices |
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} |
} |
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my @numbers = <0 2 11 19 90>; |
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| ⚫ | |||
say join ', ', @indices || 'No match'; |
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@indices = two_sum(25, @numbers); |
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say join ', ', @indices || 'No match';</lang> |
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| ⚫ | |||
{{out}} |
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print "$n1 $n2\n"; |
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<pre>1, 3 |
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($n1, $n2) = two_sum(\@numbers, 25); |
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No match</pre> |
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print "$n1 $n2\n"; |
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</lang> |
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=={{header|Perl 6}}== |
=={{header|Perl 6}}== |
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