- Added Perl solutions to the "Find Numbers" task.

13 files changed, 928 insertions, 873 deletions

diff --git a/challenge-060/mohammad-anwar/perl/ch-2.pl b/challenge-060/mohammad-anwar/perl/ch-2.pl
new file mode 100644
index 0000000000..562bcca909
--- /dev/null
+++ b/challenge-060/mohammad-anwar/perl/ch-2.pl
@@ -0,0 +1,26 @@
+#!/usr/bin/perl
+
+use strict;
+use warnings;
+
+use Algorithm::Combinatorics qw(variations_with_repetition);
+
+my @n = (0, 1, 2, 5);
+my $x = 2;
+my $y = 21;
+
+my @numbers = find_numbers(\@n, $x, $y);
+print join(", ", @numbers), "\n";
+
+sub find_numbers {
+    my ($n, $x, $y) = @_;
+
+    my @numbers = ();
+    foreach my $number (variations_with_repetition(\@n, $x)) {
+        $number = join("", @$number) + 0;
+        next unless ((length($number) == $x) && ($number < $y));
+        push @numbers, $number;
+    }
+
+    return @numbers;
+}
diff --git a/challenge-060/mohammad-anwar/perl/ch-2a.pl b/challenge-060/mohammad-anwar/perl/ch-2a.pl
new file mode 100644
index 0000000000..2d1eeb261e
--- /dev/null
+++ b/challenge-060/mohammad-anwar/perl/ch-2a.pl
@@ -0,0 +1,29 @@
+#!/usr/bin/perl
+
+use strict;
+use warnings;
+
+use Test::More;
+use Algorithm::Combinatorics qw(variations_with_repetition);
+
+my @n = (0, 1, 2, 5);
+my $x = 2;
+my $y = 21;
+
+my @numbers = find_numbers(\@n, $x, $y);
+is (join(", ", @numbers), "10, 11, 12, 15, 20");
+
+done_testing;
+
+sub find_numbers {
+    my ($n, $x, $y) = @_;
+
+    my @numbers = ();
+    foreach my $number (variations_with_repetition(\@n, $x)) {
+        $number = join("", @$number) + 0;
+        next unless ((length($number) == $x) && ($number < $y));
+        push @numbers, $number;
+    }
+
+    return @numbers;
+}
diff --git a/stats/pwc-current.json b/stats/pwc-current.json
index c18c1f55cf..912c25e732 100644
--- a/stats/pwc-current.json
+++ b/stats/pwc-current.json
@@ -1,17 +1,14 @@
 {
+   "subtitle" : {
+      "text" : "[Champions: 8] Last updated at 2020-05-11 21:05:09 GMT"
+   },
    "xAxis" : {
       "type" : "category"
    },
-   "chart" : {
-      "type" : "column"
-   },
-   "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/>"
-   },
    "series" : [
       {
+         "colorByPoint" : 1,
+         "name" : "Perl Weekly Challenge - 060",
          "data" : [
             {
                "name" : "Javier Luque",
@@ -19,47 +16,64 @@
                "y" : 5
             },
             {
-               "name" : "Luca Ferrari",
                "drilldown" : "Luca Ferrari",
-               "y" : 4
+               "y" : 4,
+               "name" : "Luca Ferrari"
             },
             {
-               "y" : 2,
+               "name" : "Markus Holzer",
                "drilldown" : "Markus Holzer",
-               "name" : "Markus Holzer"
+               "y" : 2
             },
             {
-               "drilldown" : "Mohammad S Anwar",
-               "y" : 1,
-               "name" : "Mohammad S Anwar"
+               "name" : "Mohammad S Anwar",
+               "y" : 2,
+               "drilldown" : "Mohammad S Anwar"
             },
             {
+               "name" : "Roger Bell_West",
                "y" : 4,
-               "drilldown" : "Roger Bell_West",
-               "name" : "Roger Bell_West"
+               "drilldown" : "Roger Bell_West"
             },
             {
                "name" : "Sangeet Kar",
-               "drilldown" : "Sangeet Kar",
-               "y" : 2
+               "y" : 2,
+               "drilldown" : "Sangeet Kar"
             },
             {
                "name" : "Wanderdoc",
-               "drilldown" : "Wanderdoc",
-               "y" : 2
+               "y" : 2,
+               "drilldown" : "Wanderdoc"
             },
             {
                "name" : "Yet Ebreo",
                "drilldown" : "Yet Ebreo",
                "y" : 2
             }
-         ],
-         "name" : "Perl Weekly Challenge - 060",
-         "colorByPoint" : 1
+         ]
       }
    ],
-   "subtitle" : {
-      "text" : "[Champions: 8] Last updated at 2020-05-11 19:07:41 GMT"
+   "title" : {
+      "text" : "Perl Weekly Challenge - 060"
+   },
+   "yAxis" : {
+      "title" : {
+         "text" : "Total Solutions"
+      }
+   },
+   "tooltip" : {
+      "pointFormat" : "<span style='color:{point.color}'>{point.name}</span>: <b>{point.y:f}</b><br/>",
+      "followPointer" : 1,
+      "headerFormat" : "<span style='font-size:11px'>{series.name}</span><br/>"
+   },
+   "plotOptions" : {
+      "series" : {
+         "borderWidth" : 0,
+         "dataLabels" : {
+            "enabled" : 1,
+            "format" : "{point.y}"
+         }
+      }
    },
    "drilldown" : {
       "series" : [
@@ -82,7 +96,6 @@
             ]
          },
          {
-            "id" : "Luca Ferrari",
             "name" : "Luca Ferrari",
             "data" : [
                [
@@ -93,7 +106,8 @@
                   "Blog",
                   2
                ]
-            ]
+            ],
+            "id" : "Luca Ferrari"
          },
          {
             "name" : "Markus Holzer",
@@ -106,14 +120,14 @@
             "id" : "Markus Holzer"
          },
          {
+            "id" : "Mohammad S Anwar",
             "name" : "Mohammad S Anwar",
             "data" : [
                [
                   "Perl",
-                  1
+                  2
                ]
-            ],
-            "id" : "Mohammad S Anwar"
+            ]
          },
          {
             "data" : [
@@ -131,52 +145,38 @@
          },
          {
             "id" : "Sangeet Kar",
+            "name" : "Sangeet Kar",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ],
-            "name" : "Sangeet Kar"
+            ]
          },
          {
             "id" : "Wanderdoc",
+            "name" : "Wanderdoc",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ],
-            "name" : "Wanderdoc"
+            ]
          },
          {
-            "id" : "Yet Ebreo",
             "data" : [
                [
                   "Perl",
                   2
                ]
             ],
-            "name" : "Yet Ebreo"
+            "name" : "Yet Ebreo",
+            "id" : "Yet Ebreo"
          }
       ]
    },
-   "yAxis" : {
-      "title" : {
-         "text" : "Total Solutions"
-      }
-   },
-   "plotOptions" : {
-      "series" : {
-         "dataLabels" : {
-            "format" : "{point.y}",
-            "enabled" : 1
-         },
-         "borderWidth" : 0
-      }
-   },
-   "title" : {
-      "text" : "Perl Weekly Challenge - 060"
+   "chart" : {
+      "type" : "column"
    },
    "legend" : {
       "enabled" : 0
diff --git a/stats/pwc-language-breakdown-summary.json b/stats/pwc-language-breakdown-summary.json
index 052d7ee165..37fb614774 100644
--- a/stats/pwc-language-breakdown-summary.json
+++ b/stats/pwc-language-breakdown-summary.json
@@ -1,28 +1,31 @@
 {
+   "tooltip" : {
+      "pointFormat" : "<b>{point.y:.0f}</b>"
+   },
+   "yAxis" : {
+      "min" : 0,
+      "title" : {
+         "text" : null
+      }
+   },
+   "legend" : {
+      "enabled" : "false"
+   },
    "chart" : {
       "type" : "column"
    },
+   "subtitle" : {
+      "text" : "Last updated at 2020-05-11 21:05:09 GMT"
+   },
    "xAxis" : {
       "type" : "category",
       "labels" : {
          "style" : {
-            "fontFamily" : "Verdana, sans-serif",
-            "fontSize" : "13px"
+            "fontSize" : "13px",
+            "fontFamily" : "Verdana, sans-serif"
          }
       }
    },
-   "tooltip" : {
-      "pointFormat" : "<b>{point.y:.0f}</b>"
-   },
-   "subtitle" : {
-      "text" : "Last updated at 2020-05-11 19:07:41 GMT"
-   },
-   "yAxis" : {
-      "title" : {
-         "text" : null
-      },
-      "min" : 0
-   },
    "series" : [
       {
          "data" : [
@@ -32,7 +35,7 @@
             ],
             [
                "Perl",
-               2514
+               2515
             ],
             [
                "Raku",
@@ -41,22 +44,19 @@
          ],
          "name" : "Contributions",
          "dataLabels" : {
-            "enabled" : "true",
-            "format" : "{point.y:.0f}",
+            "style" : {
+               "fontFamily" : "Verdana, sans-serif",
+               "fontSize" : "13px"
+            },
             "y" : 10,
-            "align" : "right",
-            "rotation" : -90,
             "color" : "#FFFFFF",
-            "style" : {
-               "fontSize" : "13px",
-               "fontFamily" : "Verdana, sans-serif"
-            }
+            "enabled" : "true",
+            "align" : "right",
+            "format" : "{point.y:.0f}",
+            "rotation" : -90
          }
       }
    ],
-   "legend" : {
-      "enabled" : "false"
-   },
    "title" : {
       "text" : "Perl Weekly Challenge Contributions [2019 - 2020]"
    }
diff --git a/stats/pwc-language-breakdown.json b/stats/pwc-language-breakdown.json
index a57226996d..46b389448b 100644
--- a/stats/pwc-language-breakdown.json
+++ b/stats/pwc-language-breakdown.json
@@ -1,33 +1,16 @@
 {
-   "chart" : {
-      "type" : "column"
-   },
-   "xAxis" : {
-      "type" : "category"
-   },
-   "tooltip" : {
-      "headerFormat" : "<span style=\"font-size:11px\"></span>",
-      "followPointer" : "true",
-      "pointFormat" : "<span style=\"color:{point.color}\">Challenge {point.name}</span>: <b>{point.y:f}</b><br/>"
-   },
    "plotOptions" : {
       "series" : {
          "borderWidth" : 0,
          "dataLabels" : {
-            "format" : "{point.y}",
-            "enabled" : 1
+            "enabled" : 1,
+            "format" : "{point.y}"
          }
       }
    },
-   "yAxis" : {
-      "title" : {
-         "text" : "Total Solutions"
-      }
-   },
    "drilldown" : {
       "series" : [
          {
-            "id" : "001",
             "name" : "001",
             "data" : [
                [
@@ -42,10 +25,10 @@
                   "Blog",
                   11
                ]
-            ]
+            ],
+            "id" : "001"
          },
          {
-            "id" : "002",
             "name" : "002",
             "data" : [
                [
@@ -60,7 +43,8 @@
                   "Blog",
                   10
                ]
-            ]
+            ],
+            "id" : "002"
          },
          {
             "name" : "003",
@@ -81,7 +65,6 @@
             "id" : "003"
          },
          {
-            "id" : "004",
             "data" : [
                [
                   "Perl",
@@ -96,7 +79,8 @@
                   10
                ]
             ],
-            "name" : "004"
+            "name" : "004",
+            "id" : "004"
          },
          {
             "name" : "005",
@@ -135,6 +119,7 @@
             ]
          },
          {
+            "id" : "007",
             "data" : [
                [
                   "Perl",
@@ -149,8 +134,7 @@
                   10
                ]
             ],
-            "name" : "007",
-            "id" : "007"
+            "name" : "007"
          },
          {
             "name" : "008",
@@ -171,8 +155,6 @@
             "id" : "008"
          },
          {
-            "id" : "009",
-            "name" : "009",
             "data" : [
                [
                   "Perl",
@@ -186,10 +168,11 @@
                   "Blog",
                   13
                ]
-            ]
+            ],
+            "name" : "009",
+            "id" : "009"
          },
          {
-            "id" : "010",
             "data" : [
                [
                   "Perl",
@@ -204,10 +187,12 @@
                   11
                ]
             ],
-            "name" : "010"
+            "name" : "010",
+            "id" : "010"
          },
          {
             "id" : "011",
+            "name" : "011",
             "data" : [
                [
                   "Perl",
@@ -221,10 +206,10 @@
                   "Blog",
                   10
                ]
-            ],
-            "name" : "011"
+            ]
          },
          {
+            "name" : "012",
             "data" : [
                [
                   "Perl",
@@ -239,7 +224,6 @@
                   11
                ]
             ],
-            "name" : "012",
             "id" : "012"
          },
          {
@@ -261,6 +245,8 @@
             ]
          },
          {
+            "id" : "014",
+            "name" : "014",
             "data" : [
                [
                   "Perl",
@@ -274,9 +260,7 @@
                   "Blog",
                   15
                ]
-            ],
-            "name" : "014",
-            "id" : "014"
+            ]
          },
          {
             "data" : [
@@ -297,7 +281,6 @@
             "id" : "015"
          },
          {
-            "name" : "016",
             "data" : [
                [
                   "Perl",
@@ -312,9 +295,11 @@
                   12
                ]
             ],
+            "name" : "016",
             "id" : "016"
          },
          {
+            "id" : "017",
             "data" : [
                [
                   "Perl",
@@ -329,8 +314,7 @@
                   12
                ]
             ],
-            "name" : "017",
-            "id" : "017"
+            "name" : "017"
          },
          {
             "name" : "018",
@@ -352,7 +336,6 @@
          },
          {
             "id" : "019",
-            "name" : "019",
             "data" : [
                [
                   "Perl",
@@ -366,9 +349,11 @@
                   "Blog",
                   13
                ]
-            ]
+            ],
+            "name" : "019"
          },
          {
+            "id" : "020",
             "name" : "020",
             "data" : [
                [
@@ -383,8 +368,7 @@
                   "Blog",
                   13
                ]
-            ],
-            "id" : "020"
+            ]
          },
          {
             "id" : "021",
@@ -405,6 +389,7 @@
             "name" : "021"
          },
          {
+            "name" : "022",
             "data" : [
                [
                   "Perl",
@@ -419,11 +404,10 @@
                   10
                ]
             ],
-            "name" : "022",
             "id" : "022"
          },
          {
-            "name" : "023",
+            "id" : "023",
             "data" : [
                [
                   "Perl",
@@ -438,9 +422,10 @@
                   12
                ]
             ],
-            "id" : "023"
+            "name" : "023"
          },
          {
+            "name" : "024",
             "data" : [
                [
                   "Perl",
@@ -455,12 +440,9 @@
                   11
                ]
             ],
-            "name" : "024",
             "id" : "024"
          },
          {
-            "id" : "025",
-            "name" : "025",
             "data" : [
                [
                   "Perl",
@@ -474,7 +456,9 @@
                   "Blog",
                   12
                ]
-            ]
+            ],
+            "name" : "025",
+            "id" : "025"
          },
          {
             "name" : "026",
@@ -496,6 +480,7 @@
          },
          {
             "id" : "027",
+            "name" : "027",
             "data" : [
                [
                   "Perl",
@@ -509,10 +494,10 @@
                   "Blog",
                   9
                ]
-            ],
-            "name" : "027"
+            ]
          },
          {
+            "id" : "028",
             "data" : [
                [
                   "Perl",
@@ -527,8 +512,7 @@
                   9
                ]
             ],
-            "name" : "028",
-            "id" : "028"
+            "name" : "028"
          },
          {
             "data" : [
@@ -585,7 +569,7 @@
             ]
          },
          {
-            "id" : "032",
+            "name" : "032",
             "data" : [
                [
                   "Perl",
@@ -600,9 +584,10 @@
                   10
                ]
             ],
-            "name" : "032"
+            "id" : "032"
          },
          {
+            "id" : "033",
             "data" : [
                [
                   "Perl",
@@ -617,10 +602,10 @@
                   10
                ]
             ],
-            "name" : "033",
-            "id" : "033"
+            "name" : "033"
          },
          {
+            "id" : "034",
             "name" : "034",
             "data" : [
                [
@@ -635,8 +620,7 @@
                   "Blog",
                   11
                ]
-            ],
-            "id" : "034"
+            ]
          },
          {
             "name" : "035",
@@ -658,7 +642,6 @@
          },
          {
             "id" : "036",
-            "name" : "036",
             "data" : [
                [
                   "Perl",
@@ -672,9 +655,11 @@
                   "Blog",
                   11
                ]
-            ]
+            ],
+            "name" : "036"
          },
          {
+            "id" : "037",
             "data" : [
                [
                   "Perl",
@@ -689,10 +674,10 @@
                   9
                ]
             ],
-            "name" : "037",
-            "id" : "037"
+            "name" : "037"
          },
          {
+            "id" : "038",
             "name" : "038",
             "data" : [
                [
@@ -707,11 +692,11 @@
                   "Blog",
                   12
                ]
-            ],
-            "id" : "038"
+            ]
          },
          {
             "id" : "039",
+            "name" : "039",
             "data" : [
                [
                   "Perl",
@@ -725,11 +710,11 @@
                   "Blog",
                   12
                ]
-            ],
-            "name" : "039"
+            ]
          },
          {
             "id" : "040",
+            "name" : "040",
             "data" : [
                [
                   "Perl",
@@ -743,8 +728,7 @@
                   "Blog",
                   10
                ]
-            ],
-            "name" : "040"
+            ]
          },
          {
             "name" : "041",
@@ -766,7 +750,6 @@
          },
          {
             "id" : "042",
-            "name" : "042",
             "data" : [
                [
                   "Perl",
@@ -780,10 +763,11 @@
                   "Blog",
                   11
                ]
-            ]
+            ],
+            "name" : "042"
          },
          {
-            "name" : "043",
+            "id" : "043",
             "data" : [
                [
                   "Perl",
@@ -798,9 +782,11 @@
                   11
                ]
             ],
-            "id" : "043"
+            "name" : "043"
          },
          {
+            "id" : "044",
+            "name" : "044",
             "data" : [
                [
                   "Perl",
@@ -814,13 +800,10 @@
                   "Blog",
                   11
                ]
-            ],
-            "name" : "044",
-            "id" : "044"
+            ]
          },
          {
             "id" : "045",
-            "name" : "045",
             "data" : [
                [
                   "Perl",
@@ -834,10 +817,11 @@
                   "Blog",
                   11
                ]
-            ]
+            ],
+            "name" : "045"
          },
          {
-            "name" : "046",
+            "id" : "046",
             "data" : [
                [
                   "Perl",
@@ -852,7 +836,7 @@
                   10
                ]
             ],
-            "id" : "046"
+            "name" : "046"
          },
          {
             "id" : "047",
@@ -873,7 +857,6 @@
             ]
          },
          {
-            "id" : "048",
             "name" : "048",
             "data" : [
                [
@@ -888,10 +871,11 @@
                   "Blog",
                   12
                ]
-            ]
+            ],
+            "id" : "048"
          },
          {
-            "id" : "049",
+            "name" : "049",
             "data" : [
                [
                   "Perl",
@@ -906,10 +890,9 @@
                   12
                ]
             ],
-            "name" : "049"
+            "id" : "049"
          },
          {
-            "name" : "050",
             "data" : [
                [
                   "Perl",
@@ -924,9 +907,12 @@
                   12
                ]
             ],
+            "name" : "050",
             "id" : "050"
          },
          {
+            "id" : "051",
+            "name" : "051",
             "data" : [
                [
                   "Perl",
@@ -940,11 +926,10 @@
                   "Blog",
                   11
                ]
-            ],
-            "name" : "051",
-            "id" : "051"
+            ]
          },
          {
+            "id" : "052",
             "data" : [
                [
                   "Perl",
@@ -959,11 +944,10 @@
                   14
                ]
             ],
-            "name" : "052",
-            "id" : "052"
+            "name" : "052"
          },
          {
-            "id" : "053",
+            "name" : "053",
             "data" : [
                [
                   "Perl",
@@ -978,11 +962,10 @@
                   15
                ]
             ],
-            "name" : "053"
+            "id" : "053"
          },
          {
             "id" : "054",
-            "name" : "054",
             "data" : [
                [
                   "Perl",
@@ -996,7 +979,8 @@
                   "Blog",
                   16
                ]
-            ]
+            ],
+            "name" : "054"
          },
          {
             "id" : "055",
@@ -1017,6 +1001,7 @@
             "name" : "055"
          },
          {
+            "id" : "056",
             "name" : "056",
             "data" : [
                [
@@ -1031,11 +1016,9 @@
                   "Blog",
                   16
                ]
-            ],
-            "id" : "056"
+            ]
          },
          {
-            "id" : "057",
             "data" : [
                [
                   "Perl",
@@ -1050,11 +1033,11 @@
                   15
                ]
             ],
-            "name" : "057"
+            "name" : "057",
+            "id" : "057"
          },
          {
             "id" : "058",
-            "name" : "058",
             "data" : [
                [
                   "Perl",
@@ -1068,9 +1051,11 @@
                   "Blog",
                   11
                ]
-            ]
+            ],
+            "name" : "058"
          },
          {
+            "id" : "059",
             "data" : [
                [
                   "Perl",
@@ -1085,14 +1070,14 @@
                   14
                ]
             ],
-            "name" : "059",
-            "id" : "059"
+            "name" : "059"
          },
          {
+            "name" : "060",
             "data" : [
                [
                   "Perl",
-                  11
+                  12
                ],
                [
                   "Raku",
@@ -1103,27 +1088,48 @@
                   3
                ]
             ],
-            "name" : "060",
             "id" : "060"
          }
       ]
    },
+   "tooltip" : {
+      "followPointer" : "true",
+      "headerFormat" : "<span style=\"font-size:11px\"></span>",
+      "pointFormat" : "<span style=\"color:{point.color}\">Challenge {point.name}</span>: <b>{point.y:f}</b><br/>"
+   },
+   "yAxis" : {
+      "title" : {
+         "text" : "Total Solutions"
+      }
+   },
+   "chart" : {
+      "type" : "column"
+   },
+   "legend" : {
+      "enabled" : "false"
+   },
    "subtitle" : {
-      "text" : "Click the columns to drilldown the language breakdown. Last updated at 2020-05-11 19:07:41 GMT"
+      "text" : "Click the columns to drilldown the language breakdown. Last updated at 2020-05-11 21:05:09 GMT"
+   },
+   "xAxis" : {
+      "type" : "category"
+   },
+   "title" : {
+      "text" : "Perl Weekly Challenge Language"
    },
    "series" : [
       {
-         "colorByPoint" : "true",
+         "name" : "Perl Weekly Challenge Languages",
          "data" : [
             {
+               "name" : "#001",
                "y" : 142,
-               "drilldown" : "001",
-               "name" : "#001"
+               "drilldown" : "001"
             },
             {
-               "drilldown" : "002",
+               "name" : "#002",
                "y" : 109,
-               "name" : "#002"
+               "drilldown" : "002"
             },
             {
                "name" : "#003",
@@ -1141,28 +1147,28 @@
                "name" : "#005"
             },
             {
-               "name" : "#006",
+               "drilldown" : "006",
                "y" : 52,
-               "drilldown" : "006"
+               "name" : "#006"
             },
             {
-               "drilldown" : "007",
                "y" : 59,
+               "drilldown" : "007",
                "name" : "#007"
             },
             {
-               "name" : "#008",
+               "drilldown" : "008",
                "y" : 72,
-               "drilldown" : "008"
+               "name" : "#008"
             },
             {
+               "name" : "#009",
                "drilldown" : "009",
-               "y" : 68,
-               "name" : "#009"
+               "y" : 68
             },
             {
-               "drilldown" : "010",
                "y" : 60,
+               "drilldown" : "010",
                "name" : "#010"
             },
             {
@@ -1176,9 +1182,9 @@
                "y" : 83
             },
             {
-               "name" : "#013",
                "drilldown" : "013",
-               "y" : 76
+               "y" : 76,
+               "name" : "#013"
             },
             {
                "y" : 96,
@@ -1191,9 +1197,9 @@
                "drilldown" : "015"
             },
             {
+               "name" : "#016",
                "drilldown" : "016",
-               "y" : 66,
-               "name" : "#016"
+               "y" : 66
             },
             {
                "name" : "#017",
@@ -1201,19 +1207,19