- Added Perl solution to the task "Dot Product" of week 145.

16 files changed, 1867 insertions, 1743 deletions

diff --git a/challenge-145/mohammad-anwar/perl/ch-1.pl b/challenge-145/mohammad-anwar/perl/ch-1.pl
new file mode 100644
index 0000000000..be0a9c8298
--- /dev/null
+++ b/challenge-145/mohammad-anwar/perl/ch-1.pl
@@ -0,0 +1,38 @@
+#!/usr/bin/perl
+
+=head1
+
+Week 145:
+
+    https://theweeklychallenge.org/blog/perl-weekly-challenge-145
+
+Task #1: Dot Product
+
+    You are given 2 arrays of same size, @a and @b.
+
+    Write a script to implement Dot Product.
+
+=cut
+
+use strict;
+use warnings;
+use Test::More;
+
+eval { dot_product([1,2,3], [5,6]); };
+like($@, qr/ERROR/, 'Validate');
+is(dot_product([1,2,3], [4,5,6]), 32, 'Example');
+
+done_testing;
+
+sub dot_product {
+    my ($a, $b) = @_;
+
+    die "ERROR: Arrays are not same size.\n" unless (@$a == @$b);
+
+    my $dot_product = 0;
+    foreach my $i (0 .. $#$a) {
+        $dot_product += $a->[$i] * $b->[$i];
+    }
+
+    return $dot_product;
+}
diff --git a/stats/pwc-challenge-144.json b/stats/pwc-challenge-144.json
new file mode 100644
index 0000000000..1549b62160
--- /dev/null
+++ b/stats/pwc-challenge-144.json
@@ -0,0 +1,574 @@
+{
+   "title" : {
+      "text" : "The Weekly Challenge - 144"
+   },
+   "drilldown" : {
+      "series" : [
+         {
+            "name" : "Abigail",
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ]
+            ],
+            "id" : "Abigail"
+         },
+         {
+            "id" : "Adam Russell",
+            "name" : "Adam Russell",
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Blog",
+                  1
+               ]
+            ]
+         },
+         {
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ]
+            ],
+            "name" : "Alexander Pankoff",
+            "id" : "Alexander Pankoff"
+         },
+         {
+            "data" : [
+               [
+                  "Perl",
+                  1
+               ],
+               [
+                  "Raku",
+                  2
+               ],
+               [
+                  "Blog",
+                  1
+               ]
+            ],
+            "name" : "Arne Sommer",
+            "id" : "Arne Sommer"
+         },
+         {
+            "id" : "Athanasius",
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Raku",
+                  2
+               ]
+            ],
+            "name" : "Athanasius"
+         },
+         {
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ]
+            ],
+            "name" : "Colin Crain",
+            "id" : "Colin Crain"
+         },
+         {
+            "id" : "Cristina Heredia",
+            "data" : [
+               [
+                  "Perl",
+                  1
+               ]
+            ],
+            "name" : "Cristina Heredia"
+         },
+         {
+            "id" : "Dave Jacoby",
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Blog",
+                  1
+               ]
+            ],
+            "name" : "Dave Jacoby"
+         },
+         {
+            "id" : "David Santiago",
+            "data" : [
+               [
+                  "Raku",
+                  1
+               ]
+            ],
+            "name" : "David Santiago"
+         },
+         {
+            "id" : "Duncan C. White",
+            "name" : "Duncan C. White",
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ]
+            ]
+         },
+         {
+            "id" : "E. Choroba",
+            "name" : "E. Choroba",
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ]
+            ]
+         },
+         {
+            "id" : "Flavio Poletti",
+            "name" : "Flavio Poletti",
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Raku",
+                  2
+               ],
+               [
+                  "Blog",
+                  2
+               ]
+            ]
+         },
+         {
+            "id" : "Jaldhar H. Vyas",
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Raku",
+                  2
+               ],
+               [
+                  "Blog",
+                  1
+               ]
+            ],
+            "name" : "Jaldhar H. Vyas"
+         },
+         {
+            "id" : "James Smith",
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Blog",
+                  1
+               ]
+            ],
+            "name" : "James Smith"
+         },
+         {
+            "id" : "Jan Krnavek",
+            "data" : [
+               [
+                  "Raku",
+                  2
+               ]
+            ],
+            "name" : "Jan Krnavek"
+         },
+         {
+            "name" : "Laurent Rosenfeld",
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Raku",
+                  2
+               ],
+               [
+                  "Blog",
+                  1
+               ]
+            ],
+            "id" : "Laurent Rosenfeld"
+         },
+         {
+            "name" : "Luca Ferrari",
+            "data" : [
+               [
+                  "Raku",
+                  2
+               ],
+               [
+                  "Blog",
+                  4
+               ]
+            ],
+            "id" : "Luca Ferrari"
+         },
+         {
+            "id" : "Mark Anderson",
+            "name" : "Mark Anderson",
+            "data" : [
+               [
+                  "Raku",
+                  1
+               ]
+            ]
+         },
+         {
+            "data" : [
+               [
+                  "Raku",
+                  2
+               ],
+               [
+                  "Blog",
+                  2
+               ]
+            ],
+            "name" : "Mark Senn",
+            "id" : "Mark Senn"
+         },
+         {
+            "data" : [
+               [
+                  "Perl",
+                  1
+               ]
+            ],
+            "name" : "Matthew Neleigh",
+            "id" : "Matthew Neleigh"
+         },
+         {
+            "id" : "Mohammad S Anwar",
+            "data" : [
+               [
+                  "Perl",
+                  1
+               ]
+            ],
+            "name" : "Mohammad S Anwar"
+         },
+         {
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ]
+            ],
+            "name" : "Niels van Dijke",
+            "id" : "Niels van Dijke"
+         },
+         {
+            "name" : "Paulo Custodio",
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ]
+            ],
+            "id" : "Paulo Custodio"
+         },
+         {
+            "name" : "Pete Houston",
+            "data" : [
+               [
+                  "Perl",
+                  1
+               ]
+            ],
+            "id" : "Pete Houston"
+         },
+         {
+            "name" : "Peter Campbell Smith",
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Blog",
+                  1
+               ]
+            ],
+            "id" : "Peter Campbell Smith"
+         },
+         {
+            "name" : "Robert DiCicco",
+            "data" : [
+               [
+                  "Perl",
+                  1
+               ]
+            ],
+            "id" : "Robert DiCicco"
+         },
+         {
+            "id" : "Roger Bell_West",
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Raku",
+                  2
+               ],
+               [
+                  "Blog",
+                  1
+               ]
+            ],
+            "name" : "Roger Bell_West"
+         },
+         {
+            "name" : "Simon Green",
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ]
+            ],
+            "id" : "Simon Green"
+         },
+         {
+            "name" : "Ulrich Rieke",
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Raku",
+                  2
+               ]
+            ],
+            "id" : "Ulrich Rieke"
+         },
+         {
+            "id" : "W. Luis Mochan",
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Blog",
+                  1
+               ]
+            ],
+            "name" : "W. Luis Mochan"
+         }
+      ]
+   },
+   "xAxis" : {
+      "type" : "category"
+   },
+   "subtitle" : {
+      "text" : "[Champions: 30] Last updated at 2021-12-27 10:35:31 GMT"
+   },
+   "plotOptions" : {
+      "series" : {
+         "borderWidth" : 0,
+         "dataLabels" : {
+            "format" : "{point.y}",
+            "enabled" : 1
+         }
+      }
+   },
+   "yAxis" : {
+      "title" : {
+         "text" : "Total Solutions"
+      }
+   },
+   "chart" : {
+      "type" : "column"
+   },
+   "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
+   },
+   "legend" : {
+      "enabled" : 0
+   },
+   "series" : [
+      {
+         "data" : [
+            {
+               "name" : "Abigail",
+               "y" : 2,
+               "drilldown" : "Abigail"
+            },
+            {
+               "y" : 3,
+               "name" : "Adam Russell",
+               "drilldown" : "Adam Russell"
+            },
+            {
+               "name" : "Alexander Pankoff",
+               "y" : 2,
+               "drilldown" : "Alexander Pankoff"
+            },
+            {
+               "drilldown" : "Arne Sommer",
+               "y" : 4,
+               "name" : "Arne Sommer"
+            },
+            {
+               "drilldown" : "Athanasius",
+               "name" : "Athanasius",
+               "y" : 4
+            },
+            {
+               "drilldown" : "Colin Crain",
+               "name" : "Colin Crain",
+               "y" : 2
+            },
+            {
+               "y" : 1,
+               "name" : "Cristina Heredia",
+               "drilldown" : "Cristina Heredia"
+            },
+            {
+               "name" : "Dave Jacoby",
+               "y" : 3,
+               "drilldown" : "Dave Jacoby"
+            },
+            {
+               "name" : "David Santiago",
+               "y" : 1,
+               "drilldown" : "David Santiago"
+            },
+            {
+               "drilldown" : "Duncan C. White",
+               "name" : "Duncan C. White",
+               "y" : 2
+            },
+            {
+               "drilldown" : "E. Choroba",
+               "y" : 2,
+               "name" : "E. Choroba"
+            },
+            {
+               "y" : 6,
+               "name" : "Flavio Poletti",
+               "drilldown" : "Flavio Poletti"
+            },
+            {
+               "drilldown" : "Jaldhar H. Vyas",
+               "name" : "Jaldhar H. Vyas",
+               "y" : 5
+            },
+            {
+               "y" : 3,
+               "name" : "James Smith",
+               "drilldown" : "James Smith"
+            },
+            {
+               "y" : 2,
+               "name" : "Jan Krnavek",
+               "drilldown" : "Jan Krnavek"
+            },
+            {
+               "name" : "Laurent Rosenfeld",
+               "y" : 5,
+               "drilldown" : "Laurent Rosenfeld"
+            },
+            {
+               "drilldown" : "Luca Ferrari",
+               "name" : "Luca Ferrari",
+               "y" : 6
+            },
+            {
+               "drilldown" : "Mark Anderson",
+               "y" : 1,
+               "name" : "Mark Anderson"
+            },
+            {
+               "drilldown" : "Mark Senn",
+               "name" : "Mark Senn",
+               "y" : 4
+            },
+            {
+               "drilldown" : "Matthew Neleigh",
+               "name" : "Matthew Neleigh",
+               "y" : 1
+            },
+            {
+               "name" : "Mohammad S Anwar",
+               "y" : 1,
+               "drilldown" : "Mohammad S Anwar"
+            },
+            {
+               "y" : 2,
+               "name" : "Niels van Dijke",
+               "drilldown" : "Niels van Dijke"
+            },
+            {
+               "name" : "Paulo Custodio",
+               "y" : 2,
+               "drilldown" : "Paulo Custodio"
+            },
+            {
+               "y" : 1,
+               "name" : "Pete Houston",
+               "drilldown" : "Pete Houston"
+            },
+            {
+               "drilldown" : "Peter Campbell Smith",
+               "y" : 3,
+               "name" : "Peter Campbell Smith"
+            },
+            {
+               "name" : "Robert DiCicco",
+               "y" : 1,
+               "drilldown" : "Robert DiCicco"
+            },
+            {
+               "drilldown" : "Roger Bell_West",
+               "name" : "Roger Bell_West",
+               "y" : 5
+            },
+            {
+               "drilldown" : "Simon Green",
+               "name" : "Simon Green",
+               "y" : 2
+            },
+            {
+               "name" : "Ulrich Rieke",
+               "y" : 4,
+               "drilldown" : "Ulrich Rieke"
+            },
+            {
+               "drilldown" : "W. Luis Mochan",
+               "y" : 3,
+               "name" : "W. Luis Mochan"
+            }
+         ],
+         "name" : "The Weekly Challenge - 144",
+         "colorByPoint" : 1
+      }
+   ]
+}
diff --git a/stats/pwc-current.json b/stats/pwc-current.json
index f4a4f469eb..c6f97abcab 100644
--- a/stats/pwc-current.json
+++ b/stats/pwc-current.json
@@ -1,570 +1,59 @@
 {
-   "yAxis" : {
-      "title" : {
-         "text" : "Total Solutions"
-      }
+   "title" : {
+      "text" : "The Weekly Challenge - 145"
    },
    "xAxis" : {
       "type" : "category"
    },
-   "tooltip" : {
-      "followPointer" : 1,
-      "headerFormat" : "<span style='font-size:11px'>{series.name}</span><br/>",
-      "pointFormat" : "<span style='color:{point.color}'>{point.name}</span>: <b>{point.y:f}</b><br/>"
-   },
-   "subtitle" : {
-      "text" : "[Champions: 30] Last updated at 2021-12-27 07:56:39 GMT"
-   },
    "plotOptions" : {
       "series" : {
          "dataLabels" : {
-            "format" : "{point.y}",
-            "enabled" : 1
+            "enabled" : 1,
+            "format" : "{point.y}"
          },
          "borderWidth" : 0
       }
    },
+   "yAxis" : {
+      "title" : {
+         "text" : "Total Solutions"
+      }
+   },
+   "tooltip" : {
+      "headerFormat" : "<span style='font-size:11px'>{series.name}</span><br/>",
+      "followPointer" : 1,
+      "pointFormat" : "<span style='color:{point.color}'>{point.name}</span>: <b>{point.y:f}</b><br/>"
+   },
    "chart" : {
       "type" : "column"
    },
-   "title" : {
-      "text" : "The Weekly Challenge - 144"
+   "subtitle" : {
+      "text" : "[Champions: 1] Last updated at 2021-12-27 10:37:44 GMT"
    },
    "series" : [
       {
-         "colorByPoint" : 1,
          "data" : [
             {
-               "name" : "Abigail",
-               "y" : 2,
-               "drilldown" : "Abigail"
-            },
-            {
-               "y" : 3,
-               "drilldown" : "Adam Russell",
-               "name" : "Adam Russell"
-            },
-            {
-               "y" : 2,
-               "drilldown" : "Alexander Pankoff",
-               "name" : "Alexander Pankoff"
-            },
-            {
-               "name" : "Arne Sommer",
-               "drilldown" : "Arne Sommer",
-               "y" : 4
-            },
-            {
-               "drilldown" : "Athanasius",
-               "y" : 4,
-               "name" : "Athanasius"
-            },
-            {
-               "drilldown" : "Colin Crain",
-               "y" : 2,
-               "name" : "Colin Crain"
-            },
-            {
-               "name" : "Cristina Heredia",
-               "y" : 1,
-               "drilldown" : "Cristina Heredia"
-            },
-            {
-               "name" : "Dave Jacoby",
-               "drilldown" : "Dave Jacoby",
-               "y" : 3
-            },
-            {
-               "name" : "David Santiago",
-               "y" : 1,
-               "drilldown" : "David Santiago"
-            },
-            {
-               "y" : 2,
-               "drilldown" : "Duncan C. White",
-               "name" : "Duncan C. White"
-            },
-            {
-               "y" : 2,
-               "drilldown" : "E. Choroba",
-               "name" : "E. Choroba"
-            },
-            {
-               "name" : "Flavio Poletti",
-               "y" : 6,
-               "drilldown" : "Flavio Poletti"
-            },
-            {
-               "name" : "Jaldhar H. Vyas",
-               "drilldown" : "Jaldhar H. Vyas",
-               "y" : 5
-            },
-            {
-               "name" : "James Smith",
-               "drilldown" : "James Smith",
-               "y" : 3
-            },
-            {
-               "drilldown" : "Jan Krnavek",
-               "y" : 2,
-               "name" : "Jan Krnavek"
-            },
-            {
-               "drilldown" : "Laurent Rosenfeld",
-               "y" : 5,
-               "name" : "Laurent Rosenfeld"
-            },
-            {
-               "name" : "Luca Ferrari",
-               "y" : 6,
-               "drilldown" : "Luca Ferrari"
-            },
-            {
-               "y" : 1,
-               "drilldown" : "Mark Anderson",
-               "name" : "Mark Anderson"
-            },
-            {
-               "y" : 4,
-               "drilldown" : "Mark Senn",
-               "name" : "Mark Senn"
-            },
-            {
-               "y" : 1,
-               "drilldown" : "Matthew Neleigh",
-               "name" : "Matthew Neleigh"
-            },
-            {
-               "y" : 1,
-               "drilldown" : "Mohammad S Anwar",
-               "name" : "Mohammad S Anwar"
-            },
-            {
-               "name" : "Niels van Dijke",
-               "y" : 2,
-               "drilldown" : "Niels van Dijke"
-            },
-            {
-               "drilldown" : "Paulo Custodio",
-               "y" : 2,
-               "name" : "Paulo Custodio"
-            },
-            {
-               "name" : "Pete Houston",
                "y" : 1,
-               "drilldown" : "Pete Houston"
-            },
-            {
-               "name" : "Peter Campbell Smith",
-               "drilldown" : "Peter Campbell Smith",
-               "y" : 3
-            },
-            {
-               "drilldown" : "Robert DiCicco",
-               "y" : 1,
-               "name" : "Robert DiCicco"
-            },
-            {
-               "name" : "Roger Bell_West",
-               "drilldown" : "Roger Bell_West",
-               "y" : 5
-            },
-            {
-               "name" : "Simon Green",
-               "drilldown" : "Simon Green",
-               "y" : 2
-            },
-            {
-               "name" : "Ulrich Rieke",
-               "y" : 4,
-               "drilldown" : "Ulrich Rieke"
-            },
-            {
-               "name" : "W. Luis Mochan",
-               "y" : 3,
-               "drilldown" : "W. Luis Mochan"
+               "name" : "Mohammad S Anwar",
+               "drilldown" : "Mohammad S Anwar"
             }
          ],
-         "name" : "The Weekly Challenge - 144"
+         "name" : "The Weekly Challenge - 145",
+         "colorByPoint" : 1
       }
    ],
    "drilldown" : {
       "series" : [
          {
-            "name" : "Abigail",
-            "id" : "Abigail",
-            "data" : [
-               [
-                  "Perl",
-                  2
-               ]
-            ]
-         },
-         {
-            "id" : "Adam Russell",
-            "data" : [
-               [
-                  "Perl",
-                  2
-               ],
-               [
-                  "Blog",
-                  1
-               ]
-            ],
-            "name" : "Adam Russell"
-         },
-         {
-            "id" : "Alexander Pankoff",
-            "data" : [
-               [
-                  "Perl",
-                  2
-               ]
-            ],
-            "name" : "Alexander Pankoff"
-         },
-         {
-            "id" : "Arne Sommer",
-            "data" : [
-               [
-                  "Perl",
-                  1
-               ],
-               [
-                  "Raku",
-                  2
-               ],
-               [
-                  "Blog",
-                  1
-               ]
-            ],
-            "name" : "Arne Sommer"
-         },
-         {
-            "name" : "Athanasius",
-            "data" : [
-               [
-                  "Perl",
-                  2
-               ],
-               [
-                  "Raku",
-                  2
-               ]
-            ],
-            "id" : "Athanasius"
-         },
-         {
-            "data" : [
-               [
-                  "Perl",
-                  2
-               ]
-            ],
-            "id" : "Colin Crain",
-            "name" : "Colin Crain"
-         },
-         {
-            "id" : "Cristina Heredia",
-            "data" : [
-               [
-                  "Perl",
-                  1
-               ]
-            ],
-            "name" : "Cristina Heredia"
-         },
-         {
-            "name" : "Dave Jacoby",
-            "id" : "Dave Jacoby",
-            "data" : [
-               [
-                  "Perl",
-                  2
-               ],
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