initial commit

3 files changed, 54 insertions, 0 deletions

diff --git a/challenge-258/adam-russell/blog.txt b/challenge-258/adam-russell/blog.txt
new file mode 100644
index 0000000000..f463d23f1e
--- /dev/null
+++ b/challenge-258/adam-russell/blog.txt
@@ -0,0 +1 @@
+http://www.rabbitfarm.com/cgi-bin/blosxom/perl/2024/03/03
\ No newline at end of file
diff --git a/challenge-258/adam-russell/perl/ch-1.pl b/challenge-258/adam-russell/perl/ch-1.pl
new file mode 100644
index 0000000000..b176d1cbbd
--- /dev/null
+++ b/challenge-258/adam-russell/perl/ch-1.pl
@@ -0,0 +1,19 @@
+
+  
+use v5.38;
+
+  
+sub count_even_digits{
+    return 0 + 
+      grep { 
+        my $x = $_; $x =~ tr/[0-9]//d  % 2 == 0 
+      } @_;
+}
+
+  
+MAIN:{
+  say count_even_digits 10, 1, 111, 24, 1000;
+  say count_even_digits 111, 1, 11111;
+  say count_even_digits 2, 8, 1024, 256;
+}
+
diff --git a/challenge-258/adam-russell/perl/ch-2.pl b/challenge-258/adam-russell/perl/ch-2.pl
new file mode 100644
index 0000000000..325cdd8cd4
--- /dev/null
+++ b/challenge-258/adam-russell/perl/ch-2.pl
@@ -0,0 +1,34 @@
+
+  
+use v5.38;
+
+  
+sub count_bits{
+  my($x) = @_;
+  my $total_count_set_bit = 0;
+  while($x){
+    my $b = $x & 1;
+    $total_count_set_bit++ if $b;
+    $x = $x >> 1;
+  }
+  return $total_count_set_bit;
+}
+
+  
+sub sum_of_values{
+    my $k = shift;
+    my(@n) = @_;
+    my $sum;
+    do{
+        $sum += $_[$_] if count_bits($_) == $k;
+    } for 0 .. @n - 1;
+    return $sum;
+}
+
+  
+MAIN:{
+  say sum_of_values 1, 2, 5, 9, 11, 3;
+  say sum_of_values 2, 2, 5, 9, 11, 3;
+  say sum_of_values 0, 2, 5, 9, 11, 3;
+}
+