From 3f9544c868fc0509aaacafd021663b5db7d3e83d Mon Sep 17 00:00:00 2001
From: Mohammad S Anwar <mohammad.anwar@yahoo.com>
Date: Tue, 14 Jan 2020 12:29:54 +0000
Subject: - Updated solutions by Javier Luque.

---
 challenge-043/javier-luque/perl/ch-1.pl | 47 +++++++++++++++++++++------------
 challenge-043/javier-luque/raku/ch-1.p6 | 44 +++++++++++++++++++-----------
 2 files changed, 58 insertions(+), 33 deletions(-)

diff --git a/challenge-043/javier-luque/perl/ch-1.pl b/challenge-043/javier-luque/perl/ch-1.pl
index b7e90ef3db..43e3bc3f0c 100644
--- a/challenge-043/javier-luque/perl/ch-1.pl
+++ b/challenge-043/javier-luque/perl/ch-1.pl
@@ -1,28 +1,41 @@
 #!/usr/bin/perl
-# Test: ./ch-1.pl
+# Test: ./ch1.pl
 use strict;
 use warnings;
 use feature qw /say/;
+use Algorithm::Combinatorics qw(permutations);
 
 my @numbers = (1, 2, 3, 4, 6);
-my %rings = (
-    blue   => 8,
-    yellow => 7,
-    green  => 5,
-    red    => 9,
-    black  => 0
-);
+my $rings = {
+    blue   => 8,    yellow => 7,
+    green  => 5,    red    => 9,
+};
 
-for my $ring ( keys %rings ) {
-    my $total = $rings{$ring};
-    my @additional_numbers;
-    for my $i (sort { $b <=> $a } @numbers) {
-        if ($total + $i <= 11) {
-            $total += $i;
-            push @additional_numbers, $i;
+my $iter = permutations(\@numbers);
+while (my $p = $iter->next) {
+    my $slots = {
+        redgreen     => $p->[0],
+        greenblack   => $p->[1],
+        black        => $p->[2],
+        blackyellow  => $p->[3],
+        yellowblue   => $p->[4]
+    };
+
+    if (validate_answer($rings, $slots)) {
+        for my $key (keys %$slots) {
+            say 'Slot: ' . $key .
+                ' value: ' . $slots->{$key};
         }
     }
+}
+
+sub validate_answer {
+    my ($r, $s) = @_; # rings and slots
 
-    say 'Color: ' . $ring . ' - ' .
-         join ', ', @additional_numbers;
+    return
+    ( $s->{redgreen} + $r->{red} == 11 &&
+      $s->{redgreen} + $r->{green} + $s->{greenblack} == 11 &&
+      $s->{greenblack} + $s->{black} + $s->{blackyellow} == 11 &&
+      $s->{blackyellow} + $r->{yellow} + $s->{yellowblue} == 11 &&
+      $r->{blue} + $s->{yellowblue} == 11 );
 }
diff --git a/challenge-043/javier-luque/raku/ch-1.p6 b/challenge-043/javier-luque/raku/ch-1.p6
index c4e3c27fb1..9b80bf5090 100644
--- a/challenge-043/javier-luque/raku/ch-1.p6
+++ b/challenge-043/javier-luque/raku/ch-1.p6
@@ -1,28 +1,40 @@
-# Test: perl6 ch-1.p6
+# Test: perl6 ch1.p6
 use v6.d;
 
 my @numbers = (1, 2, 3, 4, 6);
 my %rings = (
-    blue   => 8,
-    yellow => 7,
-    green  => 5,
-    red    => 9,
-    black  => 0
+    blue   => 8, yellow => 7,
+    green  => 5, red    => 9,
 );
 
 sub MAIN() {
-    for ( %rings.keys ) -> $ring {
-        my $total = %rings.{$ring};
-        my @additional_numbers;
+    my @perms = @numbers.permutations;
 
-        for ( @numbers.sort.reverse ) -> $i {
-            if ($total + $i <= 11) {
-                $total += $i;
-                push @additional_numbers, $i;
+    for @perms -> $perm {
+        my %slots = (
+            redgreen     => $perm[0],
+            greenblack   => $perm[1],
+            black        => $perm[2],
+            blackyellow  => $perm[3],
+            yellowblue   => $perm[4]
+        );
+
+        if (validate-answer(%rings, %slots)) {
+            for (%slots.keys) -> $key {
+                say 'Slot: ' ~ $key ~
+                    ' value: ' ~ %slots.{$key};
             }
         }
-
-        say 'Color: ' ~ $ring ~ ' - ' ~
-             @additional_numbers.join(', ');
     }
 }
+
+
+sub validate-answer(%r, %s) { # rings and slots
+
+    return
+    ( %s.<redgreen> + %r.<red> == 11 &&
+      %s.<redgreen> + %r.<green> + %s.<greenblack> == 11 &&
+      %s.<greenblack> + %s.<black> + %s.<blackyellow> == 11 &&
+      %s.<blackyellow> + %r.<yellow> + %s.<yellowblue> == 11 &&
+      %r.<blue> + %s.<yellowblue> == 11 );
+}
-- 
cgit