- Added solutions by Lubos Kolouch.

13 files changed, 1560 insertions, 1342 deletions

diff --git a/challenge-019/lubos-kolouch/perl5/ch-1.pl b/challenge-019/lubos-kolouch/perl5/ch-1.pl
new file mode 100644
index 0000000000..282033d7ee
--- /dev/null
+++ b/challenge-019/lubos-kolouch/perl5/ch-1.pl
@@ -0,0 +1,68 @@
+#!/usr/bin/perl 
+#===============================================================================
+#
+#         FILE: ch-1.pl
+#
+#        USAGE: ./ch-1.pl
+#
+#  DESCRIPTION: Task #1
+#
+#  Task #1
+#  Write a script to display months from the year 1900 to 2019 where you find 5 weekends i.e. 5 Friday, 5 Saturday and 5 Sunday.
+#
+#
+#      OPTIONS: ---
+# REQUIREMENTS: ---
+#         BUGS: ---
+#        NOTES: ---
+#       AUTHOR: Lubos Kolouch,
+# ORGANIZATION:
+#      VERSION: 1.0
+#      CREATED: 07/29/2019 08:48:27 PM
+#     REVISION: ---
+#===============================================================================
+
+use strict;
+use warnings;
+use feature qw{ say };
+use Data::Dumper;
+use Date::Calc qw/check_date Day_of_Week Days_in_Month/;
+
+sub has_5_weekends {
+    my ( $year, $month ) = @_;
+
+    my $days = Days_in_Month( $year, $month );
+
+    my %wdays;
+
+    for my $day ( 1 .. $days ) {
+        $wdays{ Day_of_Week( $year, $month, $day ) }++;
+    }
+
+    return 1 if ( $wdays{5} == 5 ) and ( $wdays{6} == 5 ) and ( $wdays{7} == 5 );
+
+    return 0;
+}
+
+###### MAIN ######
+
+my $count;
+
+for my $year ( 1900 .. 2019 ) {
+    for my $month ( 1 .. 12 ) {
+        $count++ if has_5_weekends( $year, $month );
+    }
+
+}
+
+say "There are $count months";
+###### TESTS ######
+
+use Test::More;
+
+say 'TESTS:';
+
+is( has_5_weekends( 2019, 7 ), 0, 'Test 2019/07' );
+is( has_5_weekends( 2019, 3 ), 1, 'Test 2019/03' );
+
+done_testing;
diff --git a/challenge-019/lubos-kolouch/perl5/ch-2.pl b/challenge-019/lubos-kolouch/perl5/ch-2.pl
new file mode 100644
index 0000000000..eab51b40b1
--- /dev/null
+++ b/challenge-019/lubos-kolouch/perl5/ch-2.pl
@@ -0,0 +1,60 @@
+#!/usr/bin/perl 
+#===============================================================================
+#
+#         FILE: ch-2.pl
+#
+#        USAGE: ./ch-2.pl
+#
+#  DESCRIPTION: Task #2
+#
+#  Task #2
+#  Write a script that can wrap the given paragraph at a specified column using the [greedy
+#  algorithm](https://en.wikipedia.org/wiki/Line_wrap_and_word_wrap#Minimum_number_of_lines).
+#
+#
+#      OPTIONS: ---
+# REQUIREMENTS: ---
+#         BUGS: ---
+#        NOTES: ---
+#       AUTHOR: Lubos Kolouch,
+# ORGANIZATION:
+#      VERSION: 1.0
+#      CREATED: 07/29/2019 08:48:27 PM
+#     REVISION: ---
+#===============================================================================
+
+use strict;
+use warnings;
+use feature qw{ say };
+
+###### MAIN ######
+my ( $width, @words ) = @ARGV;
+
+$width or die 'Usage: script width text';
+@words or die 'Usage: script width text';
+
+die 'Usage: script width(numeric!) text' unless $width =~ /\d+/msx;
+
+my $space_left = $width;
+
+for my $word (@words) {
+    my $len = length($word);
+
+    if ( $len + 1 > $space_left ) {
+        print "\n";
+        $space_left = $width - $len;
+    }
+    else {
+        $space_left -= $len;
+    }
+
+    print "$word ";
+}
+
+say qq//;
+###### TESTS ######
+
+use Test::More;
+
+say 'NO TESTS THIS TIME';
+done_testing;
diff --git a/stats/pwc-challenge-018.json b/stats/pwc-challenge-018.json
new file mode 100644
index 0000000000..be54eddd72
--- /dev/null
+++ b/stats/pwc-challenge-018.json
@@ -0,0 +1,531 @@
+{
+   "plotOptions" : {
+      "series" : {
+         "borderWidth" : 0,
+         "dataLabels" : {
+            "enabled" : 1,
+            "format" : "{point.y}"
+         }
+      }
+   },
+   "yAxis" : {
+      "title" : {
+         "text" : "Total Solutions"
+      }
+   },
+   "legend" : {
+      "enabled" : 0
+   },
+   "drilldown" : {
+      "series" : [
+         {
+            "name" : "Adam Russell",
+            "id" : "Adam Russell",
+            "data" : [
+               [
+                  "Perl 5",
+                  2
+               ],
+               [
+                  "Blog",
+                  1
+               ]
+            ]
+         },
+         {
+            "name" : "Andrezgz",
+            "data" : [
+               [
+                  "Perl 5",
+                  2
+               ]
+            ],
+            "id" : "Andrezgz"
+         },
+         {
+            "id" : "Arne Sommer",
+            "data" : [
+               [
+                  "Perl 6",
+                  2
+               ],
+               [
+                  "Blog",
+                  1
+               ]
+            ],
+            "name" : "Arne Sommer"
+         },
+         {
+            "data" : [
+               [
+                  "Perl 5",
+                  2
+               ],
+               [
+                  "Perl 6",
+                  2
+               ]
+            ],
+            "id" : "Athanasius",
+            "name" : "Athanasius"
+         },
+         {
+            "data" : [
+               [
+                  "Perl 5",
+                  2
+               ]
+            ],
+            "id" : "Daniel Mantovani",
+            "name" : "Daniel Mantovani"
+         },
+         {
+            "name" : "Duane Powell",
+            "data" : [
+               [
+                  "Perl 5",
+                  2
+               ]
+            ],
+            "id" : "Duane Powell"
+         },
+         {
+            "id" : "Duncan C. White",
+            "data" : [
+               [
+                  "Perl 5",
+                  2
+               ]
+            ],
+            "name" : "Duncan C. White"
+         },
+         {
+            "name" : "E. Choroba",
+            "id" : "E. Choroba",
+            "data" : [
+               [
+                  "Perl 5",
+                  2
+               ],
+               [
+                  "Blog",
+                  2
+               ]
+            ]
+         },
+         {
+            "data" : [
+               [
+                  "Perl 6",
+                  2
+               ]
+            ],
+            "id" : "Feng Chang",
+            "name" : "Feng Chang"
+         },
+         {
+            "name" : "Francis Whittle",
+            "data" : [
+               [
+                  "Perl 6",
+                  2
+               ]
+            ],
+            "id" : "Francis Whittle"
+         },
+         {
+            "name" : "Jaime Corchado",
+            "id" : "Jaime Corchado",
+            "data" : [
+               [
+                  "Perl 5",
+                  2
+               ]
+            ]
+         },
+         {
+            "data" : [
+               [
+                  "Perl 5",
+                  1
+               ],
+               [
+                  "Perl 6",
+                  1
+               ]
+            ],
+            "id" : "Jaldhar H. Vyas",
+            "name" : "Jaldhar H. Vyas"
+         },
+         {
+            "name" : "Joelle Maslak",
+            "id" : "Joelle Maslak",
+            "data" : [
+               [
+                  "Perl 5",
+                  3
+               ],
+               [
+                  "Perl 6",
+                  3
+               ]
+            ]
+         },
+         {
+            "data" : [
+               [
+                  "Perl 6",
+                  1
+               ]
+            ],
+            "id" : "Kevin Colyer",
+            "name" : "Kevin Colyer"
+         },
+         {
+            "data" : [
+               [
+                  "Perl 5",
+                  1
+               ]
+            ],
+            "id" : "Kian-Meng Ang",
+            "name" : "Kian-Meng Ang"
+         },
+         {
+            "name" : "Laurent Rosenfeld",
+            "id" : "Laurent Rosenfeld",
+            "data" : [
+               [
+                  "Perl 5",
+                  2
+               ],
+               [
+                  "Perl 6",
+                  2
+               ],
+               [
+                  "Blog",
+                  2
+               ]
+            ]
+         },
+         {
+            "data" : [
+               [
+                  "Perl 5",
+                  2
+               ]
+            ],
+            "id" : "Lubos Kolouch",
+            "name" : "Lubos Kolouch"
+         },
+         {
+            "name" : "Mark Anderson",
+            "data" : [
+               [
+                  "Perl 5",
+                  1
+               ]
+            ],
+            "id" : "Mark Anderson"
+         },
+         {
+            "name" : "Mark Senn",
+            "data" : [
+               [
+                  "Perl 6",
+                  2
+               ],
+               [
+                  "Blog",
+                  1
+               ]
+            ],
+            "id" : "Mark Senn"
+         },
+         {
+            "name" : "Martin Barth",
+            "data" : [
+               [
+                  "Perl 6",
+                  1
+               ]
+            ],
+            "id" : "Martin Barth"
+         },
+         {
+            "name" : "Noud",
+            "id" : "Noud",
+            "data" : [
+               [
+                  "Perl 6",
+                  2
+               ]
+            ]
+         },
+         {
+            "name" : "Ozzy",
+            "id" : "Ozzy",
+            "data" : [
+               [
+                  "Perl 6",
+                  1
+               ]
+            ]
+         },
+         {
+            "id" : "Randy Lauen",
+            "data" : [
+               [
+                  "Perl 6",
+                  2
+               ]
+            ],
+            "name" : "Randy Lauen"
+         },
+         {
+            "id" : "Roger Bell West",
+            "data" : [
+               [
+                  "Perl 5",
+                  2
+               ],
+               [
+                  "Blog",
+                  1
+               ]
+            ],
+            "name" : "Roger Bell West"
+         },
+         {
+            "data" : [
+               [
+                  "Perl 5",
+                  2
+               ],
+               [
+                  "Perl 6",
+                  2
+               ]
+            ],
+            "id" : "Ruben Westerberg",
+            "name" : "Ruben Westerberg"
+         },
+         {
+            "name" : "Simon Proctor",
+            "id" : "Simon Proctor",
+            "data" : [
+               [
+                  "Perl 6",
+                  2
+               ]
+            ]
+         },
+         {
+            "name" : "Steven Wilson",
+            "data" : [
+               [
+                  "Perl 5",
+                  1
+               ]
+            ],
+            "id" : "Steven Wilson"
+         },
+         {
+            "data" : [
+               [
+                  "Perl 6",
+                  1
+               ]
+            ],
+            "id" : "Veesh Goldman",
+            "name" : "Veesh Goldman"
+         },
+         {
+            "data" : [
+               [
+                  "Perl 5",
+                  1
+               ],
+               [
+                  "Blog",
+                  2
+               ]
+            ],
+            "id" : "Yozen Hernandez",
+            "name" : "Yozen Hernandez"
+         }
+      ]
+   },
+   "tooltip" : {
+      "pointFormat" : "<span style='color:{point.color}'>{point.name}</span>: <b>{point.y:f}</b><br/>",
+      "headerFormat" : "<span style='font-size:11px'>{series.name}</span><br/>",
+      "followPointer" : 1
+   },
+   "chart" : {
+      "type" : "column"
+   },
+   "title" : {
+      "text" : "Perl Weekly Challenge - 018"
+   },
+   "series" : [
+      {
+         "data" : [
+            {
+               "y" : 3,
+               "name" : "Adam Russell",
+               "drilldown" : "Adam Russell"
+            },
+            {
+               "drilldown" : "Andrezgz",
+               "y" : 2,
+               "name" : "Andrezgz"
+            },
+            {
+               "drilldown" : "Arne Sommer",
+               "name" : "Arne Sommer",
+               "y" : 3
+            },
+            {
+               "name" : "Athanasius",
+               "y" : 4,
+               "drilldown" : "Athanasius"
+            },
+            {
+               "name" : "Daniel Mantovani",
+               "y" : 2,
+               "drilldown" : "Daniel Mantovani"
+            },
+            {
+               "drilldown" : "Duane Powell",
+               "y" : 2,
+               "name" : "Duane Powell"
+            },
+            {
+               "y" : 2,
+               "name" : "Duncan C. White",
+               "drilldown" : "Duncan C. White"
+            },
+            {
+               "drilldown" : "E. Choroba",
+               "y" : 4,
+               "name" : "E. Choroba"
+            },
+            {
+               "drilldown" : "Feng Chang",
+               "y" : 2,
+               "name" : "Feng Chang"
+            },
+            {
+               "drilldown" : "Francis Whittle",
+               "name" : "Francis Whittle",
+               "y" : 2
+            },
+            {
+               "name" : "Jaime Corchado",
+               "y" : 2,
+               "drilldown" : "Jaime Corchado"
+            },
+            {
+               "drilldown" : "Jaldhar H. Vyas",
+               "y" : 2,
+               "name" : "Jaldhar H. Vyas"
+            },
+            {
+               "drilldown" : "Joelle Maslak",
+               "y" : 6,
+               "name" : "Joelle Maslak"
+            },
+            {
+               "y" : 1,
+               "name" : "Kevin Colyer",
+               "drilldown" : "Kevin Colyer"
+            },
+            {
+               "drilldown" : "Kian-Meng Ang",
+               "name" : "Kian-Meng Ang",
+               "y" : 1
+            },
+            {
+               "name" : "Laurent Rosenfeld",
+               "y" : 6,
+               "drilldown" : "Laurent Rosenfeld"
+            },
+            {
+               "drilldown" : "Lubos Kolouch",
+               "y" : 2,
+               "name" : "Lubos Kolouch"
+            },
+            {
+               "drilldown" : "Mark Anderson",
+               "y" : 1,
+               "name" : "Mark Anderson"
+            },
+            {
+               "drilldown" : "Mark Senn",
+               "name" : "Mark Senn",
+               "y" : 3
+            },
+            {
+               "y" : 1,
+               "name" : "Martin Barth",
+               "drilldown" : "Martin Barth"
+            },
+            {
+               "drilldown" : "Noud",
+               "y" : 2,
+               "name" : "Noud"
+            },
+            {
+               "y" : 1,
+               "name" : "Ozzy",
+               "drilldown" : "Ozzy"
+            },
+            {
+               "drilldown" : "Randy Lauen",
+               "name" : "Randy Lauen",
+               "y" : 2
+            },
+            {
+               "drilldown" : "Roger Bell West",
+               "name" : "Roger Bell West",
+               "y" : 3
+            },
+            {
+               "name" : "Ruben Westerberg",
+               "y" : 4,
+               "drilldown" : "Ruben Westerberg"
+            },
+            {
+               "drilldown" : "Simon Proctor",
+               "y" : 2,
+               "name" : "Simon Proctor"
+            },
+            {
+               "y" : 1,
+               "name" : "Steven Wilson",
+               "drilldown" : "Steven Wilson"
+            },
+            {
+               "y" : 1,
+               "name" : "Veesh Goldman",
+               "drilldown" : "Veesh Goldman"
+            },
+            {
+               "drilldown" : "Yozen Hernandez",
+               "name" : "Yozen Hernandez",
+               "y" : 3
+            }
+         ],
+         "colorByPoint" : 1,
+         "name" : "Perl Weekly Challenge - 018"
+      }
+   ],
+   "subtitle" : {
+      "text" : "[Champions: 29] Last updated at 2019-07-28 23:47:44 GMT"
+   },
+   "xAxis" : {
+      "type" : "category"
+   }
+}
diff --git a/stats/pwc-current.json b/stats/pwc-current.json
index be54eddd72..f0fd9f7538 100644
--- a/stats/pwc-current.json
+++ b/stats/pwc-current.json
@@ -1,216 +1,51 @@
 {
+   "series" : [
+      {
+         "name" : "Perl Weekly Challenge - 019",
+         "data" : [
+            {
+               "name" : "Lubos Kolouch",
+               "y" : 2,
+               "drilldown" : "Lubos Kolouch"
+            }
+         ],
+         "colorByPoint" : 1
+      }
+   ],
+   "title" : {
+      "text" : "Perl Weekly Challenge - 019"
+   },
+   "yAxis" : {
+      "title" : {
+         "text" : "Total Solutions"
+      }
+   },
+   "tooltip" : {
+      "followPointer" : 1,
+      "pointFormat" : "<span style='color:{point.color}'>{point.name}</span>: <b>{point.y:f}</b><br/>",
+      "headerFormat" : "<span style='font-size:11px'>{series.name}</span><br/>"
+   },
    "plotOptions" : {
       "series" : {
          "borderWidth" : 0,
          "dataLabels" : {
-            "enabled" : 1,
-            "format" : "{point.y}"
+            "format" : "{point.y}",
+            "enabled" : 1
          }
       }
    },
-   "yAxis" : {
-      "title" : {
-         "text" : "Total Solutions"
-      }
+   "xAxis" : {
+      "type" : "category"
    },
-   "legend" : {
-      "enabled" : 0
+   "subtitle" : {
+      "text" : "[Champions: 1] Last updated at 2019-07-29 13:25:54 GMT"
+   },
+   "chart" : {
+      "type" : "column"
    },
    "drilldown" : {
       "series" : [
          {
-            "name" : "Adam Russell",
-            "id" : "Adam Russell",
-            "data" : [
-               [
-                  "Perl 5",
-                  2
-               ],
-               [
-                  "Blog",
-                  1
-               ]
-            ]
-         },
-         {
-            "name" : "Andrezgz",
-            "data" : [
-               [
-                  "Perl 5",
-                  2
-               ]
-            ],
-            "id" : "Andrezgz"
-         },
-         {
-            "id" : "Arne Sommer",
-            "data" : [
-               [
-                  "Perl 6",
-                  2
-               ],
-               [
-                  "Blog",
-                  1
-               ]
-            ],
-            "name" : "Arne Sommer"
-         },
-         {
-            "data" : [
-               [
-                  "Perl 5",
-                  2
-               ],
-               [
-                  "Perl 6",
-                  2
-               ]
-            ],
-            "id" : "Athanasius",
-            "name" : "Athanasius"
-         },
-         {
-            "data" : [
-               [
-                  "Perl 5",
-                  2
-               ]
-            ],
-            "id" : "Daniel Mantovani",
-            "name" : "Daniel Mantovani"
-         },
-         {
-            "name" : "Duane Powell",
-            "data" : [
-               [
-                  "Perl 5",
-                  2
-               ]
-            ],
-            "id" : "Duane Powell"
-         },
-         {
-            "id" : "Duncan C. White",
-            "data" : [
-               [
-                  "Perl 5",
-                  2
-               ]
-            ],
-            "name" : "Duncan C. White"
-         },
-         {
-            "name" : "E. Choroba",
-            "id" : "E. Choroba",
-            "data" : [
-               [
-                  "Perl 5",
-                  2
-               ],
-               [
-                  "Blog",
-                  2
-               ]
-            ]
-         },
-         {
-            "data" : [
-               [
-                  "Perl 6",
-                  2
-               ]
-            ],
-            "id" : "Feng Chang",
-            "name" : "Feng Chang"
-         },
-         {
-            "name" : "Francis Whittle",
-            "data" : [
-               [
-                  "Perl 6",
-                  2
-               ]
-            ],
-            "id" : "Francis Whittle"
-         },
-         {
-            "name" : "Jaime Corchado",
-            "id" : "Jaime Corchado",
-            "data" : [
-               [
-                  "Perl 5",
-                  2
-               ]
-            ]
-         },
-         {
-            "data" : [
-               [
-                  "Perl 5",
-                  1
-               ],
-               [
-                  "Perl 6",
-                  1
-               ]
-            ],
-            "id" : "Jaldhar H. Vyas",
-            "name" : "Jaldhar H. Vyas"
-         },
-         {
-            "name" : "Joelle Maslak",
-            "id" : "Joelle Maslak",
-            "data" : [
-               [
-                  "Perl 5",
-                  3
-               ],
-               [
-                  "Perl 6",
-                  3
-               ]
-            ]
-         },
-         {
-            "data" : [
-               [
-                  "Perl 6",
-                  1
-               ]
-            ],
-            "id" : "Kevin Colyer",
-            "name" : "Kevin Colyer"
-         },
-         {
-            "data" : [
-               [
-                  "Perl 5",
-                  1
-               ]
-            ],
-            "id" : "Kian-Meng Ang",
-            "name" : "Kian-Meng Ang"
-         },
-         {
-            "name" : "Laurent Rosenfeld",
-            "id" : "Laurent Rosenfeld",
-            "data" : [
-               [
-                  "Perl 5",
-                  2
-               ],
-               [
-                  "Perl 6",
-                  2
-               ],
-               [
-                  "Blog",
-                  2
-               ]
-            ]
-         },
-         {
             "data" : [
                [
                   "Perl 5",
@@ -219,313 +54,10 @@
             ],
             "id" : "Lubos Kolouch",
             "name" : "Lubos Kolouch"
-         },
-         {
-            "name" : "Mark Anderson",
-            "data" : [
-               [
-                  "Perl 5",
-                  1
-               ]
-            ],
-            "id" : "Mark Anderson"
-         },
-         {
-            "name" : "Mark Senn",
-            "data" : [
-               [
-                  "Perl 6",
-                  2
-               ],
-               [
-                  "Blog",
-                  1
-               ]
-            ],
-            "id" : "Mark Senn"
-         },
-         {
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