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-rw-r--r--challenge-117/cheok-yin-fung/perl/ch-2.pl11
1 files changed, 6 insertions, 5 deletions
diff --git a/challenge-117/cheok-yin-fung/perl/ch-2.pl b/challenge-117/cheok-yin-fung/perl/ch-2.pl
index 40909a2072..a9d6a433f5 100644
--- a/challenge-117/cheok-yin-fung/perl/ch-2.pl
+++ b/challenge-117/cheok-yin-fung/perl/ch-2.pl
@@ -25,6 +25,7 @@ while (scalar @newarr <= $N) {
print "Number of Paths: ", $newarr[-1];
print "\n";
+
# * * * * * * *
sub ways {
my $K = $_[0];
@@ -36,17 +37,17 @@ sub ways {
$newstp = [ [ 'L' x $ord ] ];
for my $i (1.. $ord - 1) {
push @{$newstp->[$i]}, $stp->[$i-1]->[$_] . 'R'
- for (0.. scalar $stp->[$i-1]->@* - 1 );
+ for (0.. $stp->[$i-1]->$#*);
push @{$newstp->[$i]}, $stp->[$i]->[$_] . 'L'
- for (0.. scalar $stp->[$i]->@* - 1 );
+ for (0.. $stp->[$i]->$#*);
push @{$newstp->[$i]}, $newstp->[$i-1]->[$_] . 'H'
- for (0.. scalar $newstp->[$i-1]->@* - 1 );
+ for (0.. $newstp->[$i-1]->$#*);
}
push @{$newstp->[$ord]}, $stp->[$ord-1]->[$_] . 'R'
- for (0.. scalar @{$stp->[$ord-1]} - 1 );
+ for (0.. $stp->[$ord-1]->$#*);
push @{$newstp->[$ord]}, $newstp->[$ord-1]->[$_] . 'H'
- for (0.. scalar @{$newstp->[$ord-1]} - 1 );
+ for (0.. $newstp->[$ord-1]->$#*);
}
return $newstp->[-1];