2 files changed, 51 insertions, 0 deletions
diff --git a/challenge-260/kjetillll/perl/ch-1.pl b/challenge-260/kjetillll/perl/ch-1.pl
new file mode 100644
index 0000000000..31298d37a9
--- /dev/null
+++ b/challenge-260/kjetillll/perl/ch-1.pl
@@ -0,0 +1,25 @@
+use List::Util uniq; use strict; use warnings;
+
+sub f {
+    my %count;
+    $count{ $_ }++ for @_;
+    0 + ( values %count == uniq values %count )
+}
+
+
+
+#========== Test ========================================
+use Test::More tests=>3;
+is( f( @{ $$_{input} } ), $$_{output} ) for
+    {
+        input  => [1,2,2,1,1,3],
+        output => 1
+    },
+    {
+        input => [1,2,3],
+        output => 0
+    },
+    {
+        input => [-2,0,1,-2,1,1,0,1,-2,9],
+        output => 1
+    };
diff --git a/challenge-260/kjetillll/perl/ch-2.pl b/challenge-260/kjetillll/perl/ch-2.pl
new file mode 100644
index 0000000000..b49f31d969
--- /dev/null
+++ b/challenge-260/kjetillll/perl/ch-2.pl
@@ -0,0 +1,26 @@
+use strict; use warnings;
+sub permute{@_?map{my$i=$_;map[$_[$i],@$_],permute(@_[0..$i-1,$i+1..$#_])}0..$#_:[]}
+
+sub f {
+    my( $word, %n ) = shift;
+    $n{ $_ } //= keys %n for sort map join('',@$_), permute( split //, $word );
+    $n{ $word }
+}
+
+
+
+#========== Test ========================================
+use Test::More tests=>3;
+is( f( $$_{input} ), $$_{output} ) for
+    {
+        input  => 'CAT',
+        output => 3
+    },
+    {
+        input => 'GOOGLE',
+        output => 88
+    },
+    {
+        input => 'SECRET',
+        output => 255
+    };