DAJ 269

2 files changed, 74 insertions, 0 deletions

diff --git a/challenge-269/dave-jacoby/perl/ch-1.pl b/challenge-269/dave-jacoby/perl/ch-1.pl
new file mode 100644
index 0000000000..058e9fbe77
--- /dev/null
+++ b/challenge-269/dave-jacoby/perl/ch-1.pl
@@ -0,0 +1,34 @@
+#!/usr/bin/env perl
+
+use strict;
+use warnings;
+use experimental qw{ bitwise fc postderef say signatures state };
+
+my @examples = (
+
+    [ 1, 2, 3, 4, 5, ], 
+    [ 2, 3, 8, 16, ], 
+    [ 1, 2, 5, 7, 9, ],
+);
+for my $example (@examples) {
+    my $output = bitwise_or_fun(@$example);
+    $output = $output ? 'true' : 'false';
+    my $array = join ', ', $example->@*;
+    say <<"END";
+    Input:  \@array = ($array)
+    Output: $output
+END
+}
+
+sub bitwise_or_fun (@array) {
+    my @copy = @array;
+    for my $i ( 0 .. -1 + scalar @array ) {
+        for my $j ( $i + 1 .. -1 + scalar @array ) {
+            my $x = $array[$i];
+            my $y = $array[$j];
+            my $z = $x | $y;
+            return 1 if $z % 2 == 0;
+        }
+    }
+    return 0;
+}
diff --git a/challenge-269/dave-jacoby/perl/ch-2.pl b/challenge-269/dave-jacoby/perl/ch-2.pl
new file mode 100644
index 0000000000..53fdabc8a2
--- /dev/null
+++ b/challenge-269/dave-jacoby/perl/ch-2.pl
@@ -0,0 +1,40 @@
+#!/usr/bin/env perl
+
+use strict;
+use warnings;
+use experimental qw{ fc say postderef signatures state };
+
+my @examples = (
+
+    [ 2, 1, 3, 4, 5 ],
+    [ 3, 2, 4 ],
+    [ 5, 4, 3, 8 ],
+);
+
+for my $example (@examples) {
+    my @output = distribute_elements( $example->@* );
+    my $output = join ', ', @output;
+    my $ints   = join ', ', $example->@*;
+
+    say <<"END";
+        Input:  \@ints = ($ints)
+        Output: ($output)
+END
+}
+
+sub distribute_elements (@ints) {
+    my @arr1;
+    my @arr2;
+    push @arr1, shift @ints;
+    push @arr2, shift @ints;
+
+    while ( @ints ) {
+        my $i = shift @ints;
+        if ( $arr1[-1] > $arr2[-1]) {
+            push @arr1, $i;
+        } else {
+            push @arr2, $i;
+        }
+    }
+    return @arr1,@arr2;
+}