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-rwxr-xr-xchallenge-198/perlboy1967/perl/ch-1.pl2
1 files changed, 1 insertions, 1 deletions
diff --git a/challenge-198/perlboy1967/perl/ch-1.pl b/challenge-198/perlboy1967/perl/ch-1.pl
index 0751c226c2..16fb46d579 100755
--- a/challenge-198/perlboy1967/perl/ch-1.pl
+++ b/challenge-198/perlboy1967/perl/ch-1.pl
@@ -35,7 +35,7 @@ sub maxGap {
my $maxGap = max slide { $b - $a } @l;
# Find and return maxGap pairs
- scalar grep { defined } slide { $b - $a == $maxGap ? [$a,$b] : undef } @l;
+ scalar grep { $_ } slide { $b - $a == $maxGap } @l;
}