Arne Sommer

10 files changed, 264 insertions, 0 deletions

diff --git a/challenge-127/arne-sommer/blog.txt b/challenge-127/arne-sommer/blog.txt
new file mode 100644
index 0000000000..308578f848
--- /dev/null
+++ b/challenge-127/arne-sommer/blog.txt
@@ -0,0 +1 @@
+https://raku-musings.com/disjoint-conflict.html
diff --git a/challenge-127/arne-sommer/perl/ch-1.pl b/challenge-127/arne-sommer/perl/ch-1.pl
new file mode 100755
index 0000000000..9fb5d32ffc
--- /dev/null
+++ b/challenge-127/arne-sommer/perl/ch-1.pl
@@ -0,0 +1,21 @@
+#! /usr/bin/env perl
+
+use strict;
+use warnings;
+use feature 'say';
+
+my $S1 = $ARGV[0] // die 'Please specify @S1';
+my $S2 = $ARGV[1] // die 'Please specify @S2';
+
+my @S1 = split(/\s+/, $S1);
+my @S2 = split(/\s+/, $S2);
+
+my %S1 = map { /^\d+$/ ? ($_ => 1) : die 'Non-integer value ' . $_ . ' in @S1' } @S1;
+my %S2 = map { /^\d+$/ ? ($_ => 1) : die 'Non-integer value ' . $_ . ' in @S2' } @S2;
+
+die '@S1 has duplicates' unless keys %S1 == @S1;
+die '@S2 has duplicates' unless keys %S2 == @S2;
+
+my %all = (%S1, %S2);
+
+say 0 + (keys %all == %S1 + %S2);
diff --git a/challenge-127/arne-sommer/perl/ch-2.pl b/challenge-127/arne-sommer/perl/ch-2.pl
new file mode 100755
index 0000000000..1337a5e43c
--- /dev/null
+++ b/challenge-127/arne-sommer/perl/ch-2.pl
@@ -0,0 +1,48 @@
+#! /usr/bin/env perl
+
+use strict;
+use warnings;
+use Getopt::Long;
+use feature 'say';
+use feature 'signatures';
+
+no warnings qw(experimental::signatures);
+
+my $verbose = 0;
+
+GetOptions("verbose"  => \$verbose);
+
+my $interval = $ARGV[0] // die 'Please specify one or more intervals';
+
+my @Intervals = split(/\s+|\s+/, $interval);
+
+sub does_intersect($first, $second)
+{
+  my ($first_from,  $first_to)  = split(",", $first);
+  my ($second_from, $second_to) = split(",", $second);
+
+  return 0 if $first_to  < $second_from;
+  return 0 if $second_to < $first_from;
+  return 1;
+}
+
+my @done;
+my @conflict;
+
+for my $interval (@Intervals)
+{
+  say ": Inspecting interval: $interval" if $verbose;
+  
+  for my $iv (@done)
+  {
+    if (does_intersect($interval, $iv))
+    {
+      push(@conflict, $interval);
+      last;
+    }
+  }
+
+  push(@done, $interval);
+} 
+
+say '[ ', join(", ", map { "($_)" } @conflict), ' ]';
diff --git a/challenge-127/arne-sommer/perl/conflict-intervals-perl b/challenge-127/arne-sommer/perl/conflict-intervals-perl
new file mode 100755
index 0000000000..1337a5e43c
--- /dev/null
+++ b/challenge-127/arne-sommer/perl/conflict-intervals-perl
@@ -0,0 +1,48 @@
+#! /usr/bin/env perl
+
+use strict;
+use warnings;
+use Getopt::Long;
+use feature 'say';
+use feature 'signatures';
+
+no warnings qw(experimental::signatures);
+
+my $verbose = 0;
+
+GetOptions("verbose"  => \$verbose);
+
+my $interval = $ARGV[0] // die 'Please specify one or more intervals';
+
+my @Intervals = split(/\s+|\s+/, $interval);
+
+sub does_intersect($first, $second)
+{
+  my ($first_from,  $first_to)  = split(",", $first);
+  my ($second_from, $second_to) = split(",", $second);
+
+  return 0 if $first_to  < $second_from;
+  return 0 if $second_to < $first_from;
+  return 1;
+}
+
+my @done;
+my @conflict;
+
+for my $interval (@Intervals)
+{
+  say ": Inspecting interval: $interval" if $verbose;
+  
+  for my $iv (@done)
+  {
+    if (does_intersect($interval, $iv))
+    {
+      push(@conflict, $interval);
+      last;
+    }
+  }
+
+  push(@done, $interval);
+} 
+
+say '[ ', join(", ", map { "($_)" } @conflict), ' ]';
diff --git a/challenge-127/arne-sommer/perl/disjoint-set-perl b/challenge-127/arne-sommer/perl/disjoint-set-perl
new file mode 100755
index 0000000000..9fb5d32ffc
--- /dev/null
+++ b/challenge-127/arne-sommer/perl/disjoint-set-perl
@@ -0,0 +1,21 @@
+#! /usr/bin/env perl
+
+use strict;
+use warnings;
+use feature 'say';
+
+my $S1 = $ARGV[0] // die 'Please specify @S1';
+my $S2 = $ARGV[1] // die 'Please specify @S2';
+
+my @S1 = split(/\s+/, $S1);
+my @S2 = split(/\s+/, $S2);
+
+my %S1 = map { /^\d+$/ ? ($_ => 1) : die 'Non-integer value ' . $_ . ' in @S1' } @S1;
+my %S2 = map { /^\d+$/ ? ($_ => 1) : die 'Non-integer value ' . $_ . ' in @S2' } @S2;
+
+die '@S1 has duplicates' unless keys %S1 == @S1;
+die '@S2 has duplicates' unless keys %S2 == @S2;
+
+my %all = (%S1, %S2);
+
+say 0 + (keys %all == %S1 + %S2);
diff --git a/challenge-127/arne-sommer/raku/ch-1.raku b/challenge-127/arne-sommer/raku/ch-1.raku
new file mode 100755
index 0000000000..89b84c1556
--- /dev/null
+++ b/challenge-127/arne-sommer/raku/ch-1.raku
@@ -0,0 +1,11 @@
+#! /usr/bin/env raku
+
+unit sub MAIN (Str $S1, Str $S2);
+
+my Int @S1 = $S1.words>>.Numeric;
+my Int @S2 = $S2.words>>.Numeric;
+
+die "@S1 has duplicates" unless @S1.elems == @S1.Set.elems;
+die "@S2 has duplicates" unless @S2.elems == @S2.Set.elems;
+
+say + ! so @S1 (&) @S2;
diff --git a/challenge-127/arne-sommer/raku/ch-2.raku b/challenge-127/arne-sommer/raku/ch-2.raku
new file mode 100755
index 0000000000..08dbd1798b
--- /dev/null
+++ b/challenge-127/arne-sommer/raku/ch-2.raku
@@ -0,0 +1,46 @@
+#! /usr/bin/env raku
+
+unit sub MAIN (Str $interval = '1 4 | 3 5 | 6 8 | 12 13 | 3 20', :v(:$verbose));
+
+my @Intervals = $interval.split("|")>>.words>>.Int;
+
+class interval
+{
+  has Int $.from;
+  has Int $.to;
+
+  method does-intersect(interval $interval)
+  {
+    return False if $.to < $interval.from;
+    return False if $interval.to < $.from;
+    return True;
+  }
+
+  method Str
+  {
+    return "($.from,$.to)";
+  }
+}
+
+my @done;
+my @conflict;
+
+for @Intervals -> $interval
+{
+  say ": Generating interval: @$interval[0] -> @$interval[1]" if $verbose;
+  
+  my $i = interval.new(from => @$interval[0], to => @$interval[1]);
+
+  for @done -> $iv
+  {
+    if $i.does-intersect($iv)
+    {
+      @conflict.push: $i;
+      last;
+    }
+  }
+
+  @done.push: $i;
+} 
+
+say '[ ', @conflict.join(", "), ' ]';
diff --git a/challenge-127/arne-sommer/raku/conflict-intervals b/challenge-127/arne-sommer/raku/conflict-intervals
new file mode 100755
index 0000000000..08dbd1798b
--- /dev/null
+++ b/challenge-127/arne-sommer/raku/conflict-intervals
@@ -0,0 +1,46 @@
+#! /usr/bin/env raku
+
+unit sub MAIN (Str $interval = '1 4 | 3 5 | 6 8 | 12 13 | 3 20', :v(:$verbose));
+
+my @Intervals = $interval.split("|")>>.words>>.Int;
+
+class interval
+{
+  has Int $.from;
+  has Int $.to;
+
+  method does-intersect(interval $interval)
+  {
+    return False if $.to < $interval.from;
+    return False if $interval.to < $.from;
+    return True;
+  }
+
+  method Str
+  {
+    return "($.from,$.to)";
+  }
+}
+
+my @done;
+my @conflict;
+
+for @Intervals -> $interval
+{
+  say ": Generating interval: @$interval[0] -> @$interval[1]" if $verbose;
+  
+  my $i = interval.new(from => @$interval[0], to => @$interval[1]);
+
+  for @done -> $iv
+  {
+    if $i.does-intersect($iv)
+    {
+      @conflict.push: $i;
+      last;
+    }
+  }
+
+  @done.push: $i;
+} 
+
+say '[ ', @conflict.join(", "), ' ]';
diff --git a/challenge-127/arne-sommer/raku/disjoint-set b/challenge-127/arne-sommer/raku/disjoint-set
new file mode 100755
index 0000000000..89b84c1556
--- /dev/null
+++ b/challenge-127/arne-sommer/raku/disjoint-set
@@ -0,0 +1,11 @@
+#! /usr/bin/env raku
+
+unit sub MAIN (Str $S1, Str $S2);
+
+my Int @S1 = $S1.words>>.Numeric;
+my Int @S2 = $S2.words>>.Numeric;
+
+die "@S1 has duplicates" unless @S1.elems == @S1.Set.elems;
+die "@S2 has duplicates" unless @S2.elems == @S2.Set.elems;
+
+say + ! so @S1 (&) @S2;
diff --git a/challenge-127/arne-sommer/raku/disjoint-set-unique b/challenge-127/arne-sommer/raku/disjoint-set-unique
new file mode 100755
index 0000000000..ef7cea1169
--- /dev/null
+++ b/challenge-127/arne-sommer/raku/disjoint-set-unique
@@ -0,0 +1,11 @@
+#! /usr/bin/env raku
+
+unit sub MAIN (Str $S1, Str $S2);
+
+my Int @S1 = $S1.words>>.Int;
+my Int @S2 = $S2.words>>.Int;
+
+die "@S1 has duplicates" unless @S1.elems == @S1.unique.elems;
+die "@S2 has duplicates" unless @S2.elems == @S2.unique.elems;
+
+say + ! so @S1 (&) @S2;