- Added my solution to Task #1 in Perl.

11 files changed, 1280 insertions, 1254 deletions

diff --git a/challenge-049/mohammad-anwar/perl/ch-1.pl b/challenge-049/mohammad-anwar/perl/ch-1.pl
new file mode 100644
index 0000000000..7c2a30215f
--- /dev/null
+++ b/challenge-049/mohammad-anwar/perl/ch-1.pl
@@ -0,0 +1,11 @@
+#!/usr/bin/perl
+
+use strict;
+use warnings;
+
+my $num = $ARGV[0];
+die "Missing number.\n" unless defined $num;
+
+my ($res, $i);
+do { $res = $num * ++$i; } until ($res =~ /^[01]+$/);
+print "$num => $res\n";
diff --git a/stats/pwc-current.json b/stats/pwc-current.json
index 6f8058909f..3244130279 100644
--- a/stats/pwc-current.json
+++ b/stats/pwc-current.json
@@ -1,41 +1,36 @@
 {
-   "series" : [
-      {
-         "data" : [
-            {
-               "y" : 4,
-               "drilldown" : "Luca Ferrari",
-               "name" : "Luca Ferrari"
-            },
-            {
-               "y" : 1,
-               "drilldown" : "Peter Scott",
-               "name" : "Peter Scott"
-            },
-            {
-               "drilldown" : "Roger Bell West",
-               "name" : "Roger Bell West",
-               "y" : 4
-            },
-            {
-               "drilldown" : "Simon Proctor",
-               "name" : "Simon Proctor",
-               "y" : 2
-            },
-            {
-               "y" : 2,
-               "drilldown" : "Wanderdoc",
-               "name" : "Wanderdoc"
-            }
-         ],
-         "name" : "Perl Weekly Challenge - 049",
-         "colorByPoint" : 1
+   "xAxis" : {
+      "type" : "category"
+   },
+   "chart" : {
+      "type" : "column"
+   },
+   "legend" : {
+      "enabled" : 0
+   },
+   "title" : {
+      "text" : "Perl Weekly Challenge - 049"
+   },
+   "yAxis" : {
+      "title" : {
+         "text" : "Total Solutions"
       }
-   ],
+   },
+   "plotOptions" : {
+      "series" : {
+         "dataLabels" : {
+            "format" : "{point.y}",
+            "enabled" : 1
+         },
+         "borderWidth" : 0
+      }
+   },
+   "subtitle" : {
+      "text" : "[Champions: 6] Last updated at 2020-02-24 17:54:38 GMT"
+   },
    "drilldown" : {
       "series" : [
          {
-            "name" : "Luca Ferrari",
             "data" : [
                [
                   "Raku",
@@ -46,20 +41,30 @@
                   2
                ]
             ],
-            "id" : "Luca Ferrari"
+            "id" : "Luca Ferrari",
+            "name" : "Luca Ferrari"
+         },
+         {
+            "data" : [
+               [
+                  "Perl",
+                  1
+               ]
+            ],
+            "id" : "Mohammad S Anwar",
+            "name" : "Mohammad S Anwar"
          },
          {
-            "id" : "Peter Scott",
             "data" : [
                [
                   "Perl",
                   1
                ]
             ],
+            "id" : "Peter Scott",
             "name" : "Peter Scott"
          },
          {
-            "id" : "Roger Bell West",
             "data" : [
                [
                   "Perl",
@@ -70,17 +75,18 @@
                   2
                ]
             ],
-            "name" : "Roger Bell West"
+            "name" : "Roger Bell West",
+            "id" : "Roger Bell West"
          },
          {
-            "name" : "Simon Proctor",
-            "id" : "Simon Proctor",
             "data" : [
                [
                   "Raku",
                   2
                ]
-            ]
+            ],
+            "name" : "Simon Proctor",
+            "id" : "Simon Proctor"
          },
          {
             "data" : [
@@ -89,43 +95,52 @@
                   2
                ]
             ],
-            "id" : "Wanderdoc",
-            "name" : "Wanderdoc"
+            "name" : "Wanderdoc",
+            "id" : "Wanderdoc"
          }
       ]
    },
-   "chart" : {
-      "type" : "column"
-   },
-   "yAxis" : {
-      "title" : {
-         "text" : "Total Solutions"
-      }
-   },
-   "title" : {
-      "text" : "Perl Weekly Challenge - 049"
-   },
-   "plotOptions" : {
-      "series" : {
-         "dataLabels" : {
-            "format" : "{point.y}",
-            "enabled" : 1
-         },
-         "borderWidth" : 0
+   "series" : [
+      {
+         "data" : [
+            {
+               "name" : "Luca Ferrari",
+               "drilldown" : "Luca Ferrari",
+               "y" : 4
+            },
+            {
+               "name" : "Mohammad S Anwar",
+               "drilldown" : "Mohammad S Anwar",
+               "y" : 1
+            },
+            {
+               "drilldown" : "Peter Scott",
+               "name" : "Peter Scott",
+               "y" : 1
+            },
+            {
+               "drilldown" : "Roger Bell West",
+               "y" : 4,
+               "name" : "Roger Bell West"
+            },
+            {
+               "drilldown" : "Simon Proctor",
+               "y" : 2,
+               "name" : "Simon Proctor"
+            },
+            {
+               "y" : 2,
+               "drilldown" : "Wanderdoc",
+               "name" : "Wanderdoc"
+            }
+         ],
+         "colorByPoint" : 1,
+         "name" : "Perl Weekly Challenge - 049"
       }
-   },
+   ],
    "tooltip" : {
+      "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/>",
-      "followPointer" : 1,
-      "headerFormat" : "<span style='font-size:11px'>{series.name}</span><br/>"
-   },
-   "xAxis" : {
-      "type" : "category"
-   },
-   "subtitle" : {
-      "text" : "[Champions: 5] Last updated at 2020-02-24 13:16:34 GMT"
-   },
-   "legend" : {
-      "enabled" : 0
+      "followPointer" : 1
    }
 }
diff --git a/stats/pwc-language-breakdown-summary.json b/stats/pwc-language-breakdown-summary.json
index c7f8dbd748..4fc9975559 100644
--- a/stats/pwc-language-breakdown-summary.json
+++ b/stats/pwc-language-breakdown-summary.json
@@ -1,21 +1,10 @@
 {
-   "tooltip" : {
-      "pointFormat" : "<b>{point.y:.0f}</b>"
-   },
-   "title" : {
-      "text" : "Perl Weekly Challenge Contributions [2019 - 2020]"
-   },
-   "yAxis" : {
-      "min" : 0,
-      "title" : {
-         "text" : null
-      }
-   },
-   "chart" : {
-      "type" : "column"
+   "subtitle" : {
+      "text" : "Last updated at 2020-02-24 17:54:38 GMT"
    },
    "series" : [
       {
+         "name" : "Contributions",
          "data" : [
             [
                "Blog",
@@ -23,7 +12,7 @@
             ],
             [
                "Perl",
-               2006
+               2007
             ],
             [
                "Raku",
@@ -31,26 +20,28 @@
             ]
          ],
          "dataLabels" : {
-            "enabled" : "true",
-            "align" : "right",
-            "color" : "#FFFFFF",
             "format" : "{point.y:.0f}",
-            "rotation" : -90,
-            "y" : 10,
             "style" : {
-               "fontSize" : "13px",
-               "fontFamily" : "Verdana, sans-serif"
-            }
-         },
-         "name" : "Contributions"
+               "fontFamily" : "Verdana, sans-serif",
+               "fontSize" : "13px"
+            },
+            "y" : 10,
+            "rotation" : -90,
+            "enabled" : "true",
+            "align" : "right",
+            "color" : "#FFFFFF"
+         }
       }
    ],
-   "subtitle" : {
-      "text" : "Last updated at 2020-02-24 13:16:34 GMT"
+   "tooltip" : {
+      "pointFormat" : "<b>{point.y:.0f}</b>"
    },
    "legend" : {
       "enabled" : "false"
    },
+   "chart" : {
+      "type" : "column"
+   },
    "xAxis" : {
       "type" : "category",
       "labels" : {
@@ -59,5 +50,14 @@
             "fontSize" : "13px"
          }
       }
+   },
+   "yAxis" : {
+      "min" : 0,
+      "title" : {
+         "text" : null
+      }
+   },
+   "title" : {
+      "text" : "Perl Weekly Challenge Contributions [2019 - 2020]"
    }
 }
diff --git a/stats/pwc-language-breakdown.json b/stats/pwc-language-breakdown.json
index f3d96a1c5e..b3191a41f5 100644
--- a/stats/pwc-language-breakdown.json
+++ b/stats/pwc-language-breakdown.json
@@ -1,22 +1,279 @@
 {
-   "subtitle" : {
-      "text" : "Click the columns to drilldown the language breakdown. Last updated at 2020-02-24 13:16:34 GMT"
-   },
-   "legend" : {
-      "enabled" : "false"
-   },
-   "xAxis" : {
-      "type" : "category"
-   },
+   "series" : [
+      {
+         "data" : [
+            {
+               "y" : 140,
+               "drilldown" : "001",
+               "name" : "#001"
+            },
+            {
+               "name" : "#002",
+               "drilldown" : "002",
+               "y" : 109
+            },
+            {
+               "drilldown" : "003",
+               "y" : 71,
+               "name" : "#003"
+            },
+            {
+               "drilldown" : "004",
+               "name" : "#004",
+               "y" : 91
+            },
+            {
+               "name" : "#005",
+               "drilldown" : "005",
+               "y" : 71
+            },
+            {
+               "y" : 48,
+               "drilldown" : "006",
+               "name" : "#006"
+            },
+            {
+               "name" : "#007",
+               "drilldown" : "007",
+               "y" : 56
+            },
+            {
+               "drilldown" : "008",
+               "name" : "#008",
+               "y" : 70
+            },
+            {
+               "drilldown" : "009",
+               "name" : "#009",
+               "y" : 68
+            },
+            {
+               "drilldown" : "010",
+               "y" : 60,
+               "name" : "#010"
+            },
+            {
+               "y" : 79,
+               "drilldown" : "011",
+               "name" : "#011"
+            },
+            {
+               "name" : "#012",
+               "drilldown" : "012",
+               "y" : 83
+            },
+            {
+               "drilldown" : "013",
+               "y" : 76,
+               "name" : "#013"
+            },
+            {
+               "drilldown" : "014",
+               "name" : "#014",
+               "y" : 96
+            },
+            {
+               "y" : 93,
+               "drilldown" : "015",
+               "name" : "#015"
+            },
+            {
+               "drilldown" : "016",
+               "y" : 66,
+               "name" : "#016"
+            },
+            {
+               "name" : "#017",
+               "drilldown" : "017",
+               "y" : 79
+            },
+            {
+               "drilldown" : "018",
+               "y" : 76,
+               "name" : "#018"
+            },
+            {
+               "name" : "#019",
+               "drilldown" : "019",
+               "y" : 95
+            },
+            {
+               "drilldown" : "020",
+               "name" : "#020",
+               "y" : 95
+            },
+            {
+               "name" : "#021",
+               "drilldown" : "021",
+               "y" : 67
+            },
+            {
+               "drilldown" : "022",
+               "y" : 63,
+               "name" : "#022"
+            },
+            {
+               "drilldown" : "023",
+               "name" : "#023",
+               "y" : 91
+            },
+            {
+               "y" : 70,
+               "drilldown" : "024",
+               "name" : "#024"
+            },
+            {
+               "y" : 55,
+               "drilldown" : "025",
+               "name" : "#025"
+            },
+            {
+               "drilldown" : "026",
+               "y" : 70,
+               "name" : "#026"
+            },
+            {
+               "drilldown" : "027",
+               "y" : 58,
+               "name" : "#027"
+            },
+            {
+               "name" : "#028",
+               "drilldown" : "028",
+               "y" : 78
+            },
+            {
+               "drilldown" : "029",
+               "y" : 77,
+               "name" : "#029"
+            },
+            {
+               "drilldown" : "030",
+               "name" : "#030",
+               "y" : 115
+            },
+            {
+               "name" : "#031",
+               "drilldown" : "031",
+               "y" : 87
+            },
+            {
+               "y" : 92,
+               "drilldown" : "032",
+               "name" : "#032"
+            },
+            {
+               "y" : 108,
+               "drilldown" : "033",
+               "name" : "#033"
+            },
+            {
+               "name" : "#034",
+               "drilldown" : "034",
+               "y" : 60
+            },
+            {
+               "drilldown" : "035",
+               "y" : 60,
+               "name" : "#035"
+            },
+            {
+               "drilldown" : "036",
+               "name" : "#036",
+               "y" : 61
+            },
+            {
+               "name" : "#037",
+               "drilldown" : "037",
+               "y" : 63
+            },
+            {
+               "y" : 60,
+               "drilldown" : "038",
+               "name" : "#038"
+            },
+            {
+               "name" : "#039",
+               "drilldown" : "039",
+               "y" : 60
+            },
+            {
+               "drilldown" : "040",
+               "name" : "#040",
+               "y" : 66
+            },
+            {
+               "drilldown" : "041",
+               "name" : "#041",
+               "y" : 69
+            },
+            {
+               "drilldown" : "042",
+               "y" : 88,
+               "name" : "#042"
+            },
+            {
+               "y" : 65,
+               "drilldown" : "043",
+               "name" : "#043"
+            },
+            {
+               "name" : "#044",
+               "drilldown" : "044",
+               "y" : 81
+            },
+            {
+               "drilldown" : "045",
+               "y" : 94,
+               "name" : "#045"
+            },
+            {
+               "drilldown" : "046",
+               "name" : "#046",
+               "y" : 82
+            },
+            {
+               "y" : 80,
+               "drilldown" : "047",
+               "name" : "#047"
+            },
+            {
+               "drilldown" : "048",
+               "y" : 101,
+               "name" : "#048"
+            },
+            {
+               "name" : "#049",
+               "drilldown" : "049",
+               "y" : 14
+            }
+         ],
+         "colorByPoint" : "true",
+         "name" : "Perl Weekly Challenge Languages"
+      }
+   ],
    "tooltip" : {
       "headerFormat" : "<span style=\"font-size:11px\"></span>",
       "pointFormat" : "<span style=\"color:{point.color}\">Challenge {point.name}</span>: <b>{point.y:f}</b><br/>",
       "followPointer" : "true"
    },
+   "subtitle" : {
+      "text" : "Click the columns to drilldown the language breakdown. Last updated at 2020-02-24 17:54:38 GMT"
+   },
+   "plotOptions" : {
+      "series" : {
+         "dataLabels" : {
+            "format" : "{point.y}",
+            "enabled" : 1
+         },
+         "borderWidth" : 0
+      }
+   },
    "drilldown" : {
       "series" : [
          {
             "id" : "001",
+            "name" : "001",
             "data" : [
                [
                   "Perl",
@@ -30,11 +287,9 @@
                   "Blog",
                   11
                ]
-            ],
-            "name" : "001"
+            ]
          },
          {
-            "name" : "002",
             "data" : [
                [
                   "Perl",
@@ -49,10 +304,12 @@
                   10
                ]
             ],
-            "id" : "002"
+            "id" : "002",
+            "name" : "002"
          },
          {
             "id" : "003",
+            "name" : "003",
             "data" : [
                [
                   "Perl",
@@ -66,11 +323,9 @@
                   "Blog",
                   9
                ]
-            ],
-            "name" : "003"
+            ]
          },
          {
-            "id" : "004",
             "data" : [
                [
                   "Perl",
@@ -85,9 +340,12 @@
                   10
                ]
             ],
-            "name" : "004"
+            "name" : "004",
+            "id" : "004"
          },
          {
+            "name" : "005",
+            "id" : "005",
             "data" : [
                [
                   "Perl",
@@ -101,12 +359,9 @@
                   "Blog",
                   12
                ]
-            ],
-            "id" : "005",
-            "name" : "005"
+            ]
          },
          {
-            "id" : "006",
             "data" : [
                [
                   "Perl",
@@ -121,10 +376,12 @@
                   7
                ]
             ],
+            "id" : "006",
             "name" : "006"
          },
          {
             "name" : "007",
+            "id" : "007",
             "data" : [
                [
                   "Perl",
@@ -138,11 +395,9 @@
                   "Blog",
                   10
                ]
-            ],
-            "id" : "007"
+            ]
          },
          {
-            "name" : "008",
             "data" : [
                [
                   "Perl",
@@ -157,10 +412,10 @@
                   12
                ]
             ],
-            "id" : "008"
+            "id" : "008",
+            "name" : "008"
          },
          {
-            "name" : "009",
             "data" : [
                [
                   "Perl",
@@ -175,11 +430,12 @@
                   13
                ]
             ],
+            "name" : "009",
             "id" : "009"
          },
          {
-            "name" : "010",
             "id" : "010",
+            "name" : "010",
             "data" : [
                [
                   "Perl",
@@ -197,6 +453,7 @@
          },
          {
             "name" : "011",
+            "id" : "011",
             "data" : [
                [
                   "Perl",
@@ -210,11 +467,11 @@
                   "Blog",
                   10
                ]
-            ],
-            "id" : "011"
+            ]
          },
          {
             "id" : "012",
+            "name" : "012",
             "data" : [
                [
                   "Perl",
@@ -228,11 +485,9 @@
                   "Blog",
                   11
                ]
-            ],
-            "name" : "012"
+            ]
          },
          {
-            "id" : "013",
             "data" : [
                [
                   "Perl",
@@ -247,10 +502,12 @@
                   13
                ]
             ],
-            "name" : "013"
+            "name" : "013",
+            "id" : "013"
          },
          {
             "name" : "014",
+            "id" : "014",
             "data" : [
                [
                   "Perl",
@@ -264,12 +521,11 @@
                   "Blog",
                   15
                ]
-            ],
-            "id" : "014"
+            ]
          },
          {
-            "name" : "015",
             "id" : "015",
+            "name" : "015",
             "data" : [
                [
                   "Perl",
@@ -287,6 +543,7 @@
          },
          {
             "id" : "016",
+            "name" : "016",
             "data" : [
                [
                   "Perl",
@@ -300,12 +557,9 @@
                   "Blog",
                   12
                ]
-            ],
-            "name" : "016"
+            ]
          },
          {
-            "name" : "017",
-            "id" : "017",
             "data" : [
                [
                   "Perl",
@@ -319,11 +573,11 @@
                   "Blog",
                   12
                ]
-            ]
+            ],
+            "id" : "017",
+            "name" : "017"
          },
          {
-            "name" : "018",
-            "id" : "018",
             "data" : [
                [
                   "Perl",
@@ -337,10 +591,11 @@
                   "Blog",
                   14
                ]
-            ]
+            ],
+            "name" : "018",
+            "id" : "018"
          },
          {
-            "name" : "019",
             "data" : [
                [
                   "Perl",
@@ -355,11 +610,10 @@
                   13
                ]
             ],
-            "id" : "019"
+            "id" : "019",
+            "name" : "019"
          },
          {
-            "name" : "020",
-            "id" : "020",
             "data" : [
                [
                   "Perl",
@@ -373,11 +627,11 @@
                   "Blog",
                   13
                ]
-            ]
+            ],
+            "name" : "020",
+            "id" : "020"
          },
          {
-            "name" : "021",
-            "id" : "021",
             "data" : [
                [
                   "Perl",
@@ -391,9 +645,12 @@
                   "Blog",
                   10
                ]
-            ]
+            ],
+            "id" : "021",
+            "name" : "021"
          },
          {
+            "name" : "022",
             "id" : "022",
             "data" : [
                [
@@ -408,11 +665,9 @@
                   "Blog",
                   10
                ]
-            ],
-            "name" : "022"
+            ]
          },
          {
-            "id" : "023",
             "data" : [
                [
                   "Perl",
@@ -427,10 +682,10 @@
                   12
                ]
             ],
+            "id" : "023",
             "name" : "023"
          },
          {
-            "name" : "024",
             "data" : [
                [
                   "Perl",
@@ -445,10 +700,12 @@
                   11
                ]
             ],
+            "name" : "024",
             "id" : "024"
          },
          {
             "name" : "025",
+            "id" : "025",
             "data" : [
                [
                   "Perl",
@@ -462,10 +719,10 @@
                   "Blog",
                   12
                ]
-            ],
-            "id" : "025"
+            ]
          },
          {
+            "name" : "026",
             "id" : "026",
             "data" : [
                [
@@ -480,8 +737,7 @@
                   "Blog",
                   10
                ]
-            ],
-            "name" : "026"
+            ]
          },
          {
             "name" : "027",
@@ -502,6 +758,7 @@
             ]
          },
          {
+            "id" : "028",
             "name" : "028",
             "data" : [
                [
@@ -516,12 +773,9 @@
                   "Blog",
                   9
                ]
-            ],
-            "id" : "028"
+            ]
          },
          {
-            "name" : "029",
-            "id" : "029",
             "data" : [
                [
                   "Perl",
@@ -535,10 +789,11 @@
                   "Blog",
                   12
                ]
-            ]
+            ],
+            "id" : "029",
+            "name" : "029"
          },
          {
-            "name" : "030",
             "data" : [
                [
                   "Perl",
@@ -553,9 +808,12 @@
                   10
                ]
             ],
-            "id" : "030"
+            "id" : "030",
+            "name" : "030"
          },
          {
+            "name" : "031",
+            "id" : "031",
             "data" : [
                [
                   "Perl",
@@ -569,9 +827,7 @@
                   "Blog",
                   9
                ]
-            ],
-            "id" : "031",
-            "name" : "031"
+            ]
          },
          {
             "name" : "032",
@@ -592,6 +848,8 @@
             ]
          },
          {
+            "name" : "033",
+            "id" : "033",
             "data" : [
                [
                   "Perl",
@@ -605,12 +863,11 @@
                   "Blog",
                   10
                ]
-            ],
-            "id" : "033",
-            "name" : "033"
+            ]
          },
          {
             "name" : "034",
+            "id" : "034",
             "data" : [
                [
                   "Perl",
@@ -624,11 +881,9 @@
                   "Blog",
                   11
                ]
-            ],
-            "id" : "034"
+            ]
          },
          {
-            "id" : "035",
             "data" : [
                [
                   "Perl",
@@ -643,10 +898,10 @@
                   9
                ]
             ],
-            "name" : "035"
+            "name" : "035",
+            "id" : "035"
          },
          {
-            "name" : "036",
             "data" : [
                [
                   "Perl",
@@ -661,9 +916,11 @@
                   10
                ]
             ],
-            "id" : "036"
+            "id" : "036",
+            "name" : "036"
          },
          {
+            "name" : "037",
             "id" : "037",
             "data" : [
                [
@@ -678,11 +935,11 @@
                   "Blog",
                   9
                ]
-            ],
-            "name" : "037"
+            ]
          },
          {
             "id" : "038",
+            "name" : "038",
             "data" : [
                [
                   "Perl",
@@ -696,10 +953,10 @@
                   "Blog",
                   11
                ]
-            ],
-            "name" : "038"
+            ]
          },
          {
+            "id" : "039",
             "name" : "039",
             "data" : [
                [
@@ -714,8 +971,7 @@
                   "Blog",
                   12
                ]
-            ],
-            "id" : "039"
+            ]
          },
          {
             "data" : [
@@ -732,12 +988,12 @@
                   9
                ]
             ],
-            "id" : "040",
-            "name" : "040"
+            "name" : "040",
+            "id" : "040"
          },
          {
-            "name" : "041",
             "id" : "041",
+            "name" : "041",
             "data" : [
                [
                   "Perl",
@@ -754,7 +1010,6 @@
             ]
          },
          {
-            "name" : "042",
             "data" : [
                [
                   "Perl",
@@ -769,11 +1024,10 @@
                   11
                ]
             ],
+            "name" : "042",
             "id" : "042"
          },
          {
-            "name" : "043",
-            "id" : "043",
             "data" : [
                [
                   "Perl",
@@ -787,10 +1041,11 @@
                   "Blog",
                   10
                ]
-            ]
+            ],
+            "name" : "043",
+            "id" : "043"
          },
          {
-            "id" : "044",
             "data" : [
                [
                   "Perl",
@@ -805,7 +1060,8 @@
                   10
                ]
             ],
-            "name" : "044"
+            "name" : "044",
+            "id" : "