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-rw-r--r--challenge-113/cheok-yin-fung/perl/ch-2.pl2
1 files changed, 1 insertions, 1 deletions
diff --git a/challenge-113/cheok-yin-fung/perl/ch-2.pl b/challenge-113/cheok-yin-fung/perl/ch-2.pl
index 57ddee363b..786996c7d2 100644
--- a/challenge-113/cheok-yin-fung/perl/ch-2.pl
+++ b/challenge-113/cheok-yin-fung/perl/ch-2.pl
@@ -84,5 +84,5 @@ sub tree_build { # use for print_pretty_tree
my %leaf = ( "v" => $t[$ind] );
$leaf{"l"} = tree_build(\@t, $ind*2+1) if defined($t[$ind*2+1]);
$leaf{"r"} = tree_build(\@t, $ind*2+2) if defined($t[$ind*2+2]);
- return \@t, $ind, \%leaf;
+ return \%leaf;
}