- Added solutions by Nazareno Delucca.

12 files changed, 890 insertions, 875 deletions

diff --git a/challenge-045/ndelucca/perl5/ch-1.pl b/challenge-045/ndelucca/perl/ch-1.pl
index 2ff5da8876..2ff5da8876 100644
--- a/challenge-045/ndelucca/perl5/ch-1.pl
+++ b/challenge-045/ndelucca/perl/ch-1.pl
diff --git a/challenge-045/ndelucca/perl5/ch-2.pl b/challenge-045/ndelucca/perl/ch-2.pl
index 700805b210..700805b210 100644
--- a/challenge-045/ndelucca/perl5/ch-2.pl
+++ b/challenge-045/ndelucca/perl/ch-2.pl
diff --git a/stats/pwc-current.json b/stats/pwc-current.json
index a79500cb1d..1ad9492a45 100644
--- a/stats/pwc-current.json
+++ b/stats/pwc-current.json
@@ -1,36 +1,72 @@
 {
-   "subtitle" : {
-      "text" : "[Champions: 8] Last updated at 2020-01-30 12:06:18 GMT"
-   },
-   "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
-   },
-   "legend" : {
-      "enabled" : 0
-   },
-   "title" : {
-      "text" : "Perl Weekly Challenge - 045"
-   },
-   "yAxis" : {
-      "title" : {
-         "text" : "Total Solutions"
+   "series" : [
+      {
+         "data" : [
+            {
+               "y" : 2,
+               "drilldown" : "Dave Cross",
+               "name" : "Dave Cross"
+            },
+            {
+               "name" : "Dave Jacoby",
+               "drilldown" : "Dave Jacoby",
+               "y" : 3
+            },
+            {
+               "name" : "Duane Powell",
+               "y" : 2,
+               "drilldown" : "Duane Powell"
+            },
+            {
+               "name" : "E. Choroba",
+               "drilldown" : "E. Choroba",
+               "y" : 2
+            },
+            {
+               "drilldown" : "Luca Ferrari",
+               "y" : 3,
+               "name" : "Luca Ferrari"
+            },
+            {
+               "name" : "Markus Holzer",
+               "y" : 2,
+               "drilldown" : "Markus Holzer"
+            },
+            {
+               "y" : 2,
+               "drilldown" : "Nazareno Delucca",
+               "name" : "Nazareno Delucca"
+            },
+            {
+               "name" : "Peter Scott",
+               "drilldown" : "Peter Scott",
+               "y" : 1
+            },
+            {
+               "y" : 2,
+               "drilldown" : "Simon Proctor",
+               "name" : "Simon Proctor"
+            }
+         ],
+         "colorByPoint" : 1,
+         "name" : "Perl Weekly Challenge - 045"
       }
-   },
+   ],
    "drilldown" : {
       "series" : [
          {
-            "name" : "Dave Cross",
-            "id" : "Dave Cross",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ]
+            ],
+            "id" : "Dave Cross",
+            "name" : "Dave Cross"
          },
          {
+            "id" : "Dave Jacoby",
+            "name" : "Dave Jacoby",
             "data" : [
                [
                   "Perl",
@@ -40,29 +76,27 @@
                   "Blog",
                   1
                ]
-            ],
-            "id" : "Dave Jacoby",
-            "name" : "Dave Jacoby"
+            ]
          },
          {
+            "name" : "Duane Powell",
+            "id" : "Duane Powell",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ],
-            "name" : "Duane Powell",
-            "id" : "Duane Powell"
+            ]
          },
          {
+            "id" : "E. Choroba",
+            "name" : "E. Choroba",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ],
-            "id" : "E. Choroba",
-            "name" : "E. Choroba"
+            ]
          },
          {
             "id" : "Luca Ferrari",
@@ -79,8 +113,8 @@
             ]
          },
          {
-            "name" : "Markus Holzer",
             "id" : "Markus Holzer",
+            "name" : "Markus Holzer",
             "data" : [
                [
                   "Raku",
@@ -89,88 +123,69 @@
             ]
          },
          {
-            "id" : "Peter Scott",
-            "name" : "Peter Scott",
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ]
+            ],
+            "name" : "Nazareno Delucca",
+            "id" : "Nazareno Delucca"
+         },
+         {
             "data" : [
                [
                   "Perl",
                   1
                ]
-            ]
+            ],
+            "name" : "Peter Scott",
+            "id" : "Peter Scott"
          },
          {
+            "id" : "Simon Proctor",
+            "name" : "Simon Proctor",
             "data" : [
                [
                   "Raku",
                   2
                ]
-            ],
-            "id" : "Simon Proctor",
-            "name" : "Simon Proctor"
+            ]
          }
       ]
    },
+   "yAxis" : {
+      "title" : {
+         "text" : "Total Solutions"
+      }
+   },
    "plotOptions" : {
       "series" : {
-         "borderWidth" : 0,
          "dataLabels" : {
-            "format" : "{point.y}",
-            "enabled" : 1
-         }
+            "enabled" : 1,
+            "format" : "{point.y}"
+         },
+         "borderWidth" : 0
       }
    },
-   "xAxis" : {
-      "type" : "category"
+   "title" : {
+      "text" : "Perl Weekly Challenge - 045"
    },
-   "series" : [
-      {
-         "colorByPoint" : 1,
-         "data" : [
-            {
-               "drilldown" : "Dave Cross",
-               "y" : 2,
-               "name" : "Dave Cross"
-            },
-            {
-               "drilldown" : "Dave Jacoby",
-               "y" : 3,
-               "name" : "Dave Jacoby"
-            },
-            {
-               "name" : "Duane Powell",
-               "y" : 2,
-               "drilldown" : "Duane Powell"
-            },
-            {
-               "name" : "E. Choroba",
-               "y" : 2,
-               "drilldown" : "E. Choroba"
-            },
-            {
-               "name" : "Luca Ferrari",
-               "y" : 3,
-               "drilldown" : "Luca Ferrari"
-            },
-            {
-               "drilldown" : "Markus Holzer",
-               "name" : "Markus Holzer",
-               "y" : 2
-            },
-            {
-               "drilldown" : "Peter Scott",
-               "y" : 1,
-               "name" : "Peter Scott"
-            },
-            {
-               "name" : "Simon Proctor",
-               "y" : 2,
-               "drilldown" : "Simon Proctor"
-            }
-         ],
-         "name" : "Perl Weekly Challenge - 045"
-      }
-   ],
    "chart" : {
       "type" : "column"
+   },
+   "legend" : {
+      "enabled" : 0
+   },
+   "xAxis" : {
+      "type" : "category"
+   },
+   "subtitle" : {
+      "text" : "[Champions: 9] Last updated at 2020-01-30 12:10:18 GMT"
+   },
+   "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
    }
 }
diff --git a/stats/pwc-language-breakdown-summary.json b/stats/pwc-language-breakdown-summary.json
index c344b03648..28b40c77bb 100644
--- a/stats/pwc-language-breakdown-summary.json
+++ b/stats/pwc-language-breakdown-summary.json
@@ -1,16 +1,10 @@
 {
-   "xAxis" : {
-      "type" : "category",
-      "labels" : {
-         "style" : {
-            "fontSize" : "13px",
-            "fontFamily" : "Verdana, sans-serif"
-         }
-      }
-   },
    "chart" : {
       "type" : "column"
    },
+   "title" : {
+      "text" : "Perl Weekly Challenge Contributions [2019 - 2020]"
+   },
    "series" : [
       {
          "data" : [
@@ -20,44 +14,50 @@
             ],
             [
                "Perl",
-               1816
+               1818
             ],
             [
                "Raku",
                1102
             ]
          ],
-         "name" : "Contributions",
          "dataLabels" : {
-            "y" : 10,
-            "color" : "#FFFFFF",
-            "format" : "{point.y:.0f}",
-            "enabled" : "true",
-            "rotation" : -90,
             "style" : {
-               "fontFamily" : "Verdana, sans-serif",
-               "fontSize" : "13px"
+               "fontSize" : "13px",
+               "fontFamily" : "Verdana, sans-serif"
             },
-            "align" : "right"
-         }
+            "enabled" : "true",
+            "color" : "#FFFFFF",
+            "format" : "{point.y:.0f}",
+            "align" : "right",
+            "y" : 10,
+            "rotation" : -90
+         },
+         "name" : "Contributions"
       }
    ],
    "yAxis" : {
+      "min" : 0,
       "title" : {
          "text" : null
-      },
-      "min" : 0
+      }
    },
-   "title" : {
-      "text" : "Perl Weekly Challenge Contributions [2019 - 2020]"
+   "xAxis" : {
+      "labels" : {
+         "style" : {
+            "fontSize" : "13px",
+            "fontFamily" : "Verdana, sans-serif"
+         }
+      },
+      "type" : "category"
    },
    "tooltip" : {
       "pointFormat" : "<b>{point.y:.0f}</b>"
    },
+   "subtitle" : {
+      "text" : "Last updated at 2020-01-30 12:10:18 GMT"
+   },
    "legend" : {
       "enabled" : "false"
-   },
-   "subtitle" : {
-      "text" : "Last updated at 2020-01-30 12:06:18 GMT"
    }
 }
diff --git a/stats/pwc-language-breakdown.json b/stats/pwc-language-breakdown.json
index eb9b4f37eb..46bd63c886 100644
--- a/stats/pwc-language-breakdown.json
+++ b/stats/pwc-language-breakdown.json
@@ -1,15 +1,4 @@
 {
-   "subtitle" : {
-      "text" : "Click the columns to drilldown the language breakdown. Last updated at 2020-01-30 12:06:18 GMT"
-   },
-   "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"
-   },
-   "legend" : {
-      "enabled" : "false"
-   },
    "title" : {
       "text" : "Perl Weekly Challenge Language"
    },
@@ -30,8 +19,8 @@
                   11
                ]
             ],
-            "id" : "001",
-            "name" : "001"
+            "name" : "001",
+            "id" : "001"
          },
          {
             "data" : [
@@ -48,8 +37,8 @@
                   10
                ]
             ],
-            "name" : "002",
-            "id" : "002"
+            "id" : "002",
+            "name" : "002"
          },
          {
             "data" : [
@@ -70,6 +59,8 @@
             "name" : "003"
          },
          {
+            "id" : "004",
+            "name" : "004",
             "data" : [
                [
                   "Perl",
@@ -83,9 +74,7 @@
                   "Blog",
                   10
                ]
-            ],
-            "name" : "004",
-            "id" : "004"
+            ]
          },
          {
             "id" : "005",
@@ -138,8 +127,8 @@
                   10
                ]
             ],
-            "id" : "007",
-            "name" : "007"
+            "name" : "007",
+            "id" : "007"
          },
          {
             "data" : [
@@ -156,8 +145,8 @@
                   12
                ]
             ],
-            "name" : "008",
-            "id" : "008"
+            "id" : "008",
+            "name" : "008"
          },
          {
             "id" : "009",
@@ -178,8 +167,6 @@
             ]
          },
          {
-            "name" : "010",
-            "id" : "010",
             "data" : [
                [
                   "Perl",
@@ -193,11 +180,11 @@
                   "Blog",
                   11
                ]
-            ]
+            ],
+            "id" : "010",
+            "name" : "010"
          },
          {
-            "id" : "011",
-            "name" : "011",
             "data" : [
                [
                   "Perl",
@@ -211,11 +198,11 @@
                   "Blog",
                   10
                ]
-            ]
+            ],
+            "name" : "011",
+            "id" : "011"
          },
          {
-            "id" : "012",
-            "name" : "012",
             "data" : [
                [
                   "Perl",
@@ -229,7 +216,9 @@
                   "Blog",
                   11
                ]
-            ]
+            ],
+            "name" : "012",
+            "id" : "012"
          },
          {
             "data" : [
@@ -246,8 +235,8 @@
                   13
                ]
             ],
-            "name" : "013",
-            "id" : "013"
+            "id" : "013",
+            "name" : "013"
          },
          {
             "data" : [
@@ -264,10 +253,12 @@
                   15
                ]
             ],
-            "id" : "014",
-            "name" : "014"
+            "name" : "014",
+            "id" : "014"
          },
          {
+            "name" : "015",
+            "id" : "015",
             "data" : [
                [
                   "Perl",
@@ -281,13 +272,11 @@
                   "Blog",
                   15
                ]
-            ],
-            "id" : "015",
-            "name" : "015"
+            ]
          },
          {
-            "id" : "016",
             "name" : "016",
+            "id" : "016",
             "data" : [
                [
                   "Perl",
@@ -304,8 +293,8 @@
             ]
          },
          {
-            "id" : "017",
             "name" : "017",
+            "id" : "017",
             "data" : [
                [
                   "Perl",
@@ -322,6 +311,8 @@
             ]
          },
          {
+            "id" : "018",
+            "name" : "018",
             "data" : [
                [
                   "Perl",
@@ -335,9 +326,7 @@
                   "Blog",
                   14
                ]
-            ],
-            "id" : "018",
-            "name" : "018"
+            ]
          },
          {
             "data" : [
@@ -358,6 +347,8 @@
             "id" : "019"
          },
          {
+            "id" : "020",
+            "name" : "020",
             "data" : [
                [
                   "Perl",
@@ -371,11 +362,11 @@
                   "Blog",
                   13
                ]
-            ],
-            "name" : "020",
-            "id" : "020"
+            ]
          },
          {
+            "name" : "021",
+            "id" : "021",
             "data" : [
                [
                   "Perl",
@@ -389,13 +380,9 @@
                   "Blog",
                   10
                ]
-            ],
-            "name" : "021",
-            "id" : "021"
+            ]
          },
          {
-            "name" : "022",
-            "id" : "022",
             "data" : [
                [
                   "Perl",
@@ -409,7 +396,9 @@
                   "Blog",
                   10
                ]
-            ]
+            ],
+            "name" : "022",
+            "id" : "022"
          },
          {
             "name" : "023",
@@ -444,12 +433,12 @@
                   11
                ]
             ],
-            "name" : "024",
-            "id" : "024"
+            "id" : "024",
+            "name" : "024"
          },
          {
-            "name" : "025",
             "id" : "025",
+            "name" : "025",
             "data" : [
                [
                   "Perl",
@@ -466,6 +455,8 @@
             ]
          },
          {
+            "id" : "026",
+            "name" : "026",
             "data" : [
                [
                   "Perl",
@@ -479,13 +470,9 @@
                   "Blog",
                   10
                ]
-            ],
-            "name" : "026",
-            "id" : "026"
+            ]
          },
          {
-            "name" : "027",
-            "id" : "027",
             "data" : [
                [
                   "Perl",
@@ -499,7 +486,9 @@
                   "Blog",
                   9
                ]
-            ]
+            ],
+            "name" : "027",
+            "id" : "027"
          },
          {
             "data" : [
@@ -570,12 +559,10 @@
                   9
                ]
             ],
-            "id" : "031",
-            "name" : "031"
+            "name" : "031",
+            "id" : "031"
          },
          {
-            "id" : "032",
-            "name" : "032",
             "data" : [
                [
                   "Perl",
@@ -589,9 +576,13 @@
                   "Blog",
                   10
                ]
-            ]
+            ],
+            "id" : "032",
+            "name" : "032"
          },
          {
+            "name" : "033",
+            "id" : "033",
             "data" : [
                [
                   "Perl",
@@ -605,11 +596,11 @@
                   "Blog",
                   10
                ]
-            ],
-            "id" : "033",
-            "name" : "033"
+            ]
          },
          {
+            "id" : "034",
+            "name" : "034",
             "data" : [
                [
                   "Perl",
@@ -623,13 +614,11 @@
                   "Blog",
                   11
                ]
-            ],
-            "name" : "034",
-            "id" : "034"
+            ]
          },
          {
-            "name" : "035",
             "id" : "035",
+            "name" : "035",
             "data" : [
                [
                   "Perl",
@@ -646,8 +635,8 @@
             ]
          },
          {
-            "id" : "036",
             "name" : "036",
+            "id" : "036",
             "data" : [
                [
                   "Perl",
@@ -664,6 +653,8 @@
             ]
          },
          {
+            "id" : "037",
+            "name" : "037",
             "data" : [
                [
                   "Perl",
@@ -677,11 +668,11 @@
                   "Blog",
                   9
                ]
-            ],
-            "id" : "037",
-            "name" : "037"
+            ]
          },
          {
+            "id" : "038",
+            "name" : "038",
             "data" : [
                [
                   "Perl",
@@ -695,11 +686,11 @@
                   "Blog",
                   11
                ]
-            ],
-            "name" : "038",
-            "id" : "038"
+            ]
          },
          {
+            "id" : "039",
+            "name" : "039",
             "data" : [
                [
                   "Perl",
@@ -713,13 +704,9 @@
                   "Blog",
                   12
                ]
-            ],
-            "id" : "039",
-            "name" : "039"
+            ]
          },
          {
-            "name" : "040",
-            "id" : "040",
             "data" : [
                [
                   "Perl",
@@ -733,7 +720,9 @@
                   "Blog",
                   9
                ]
-            ]
+            ],
+            "id" : "040",
+            "name" : "040"
          },
          {
             "id" : "041",
@@ -754,8 +743,8 @@
             ]
          },
          {
-            "name" : "042",
             "id" : "042",
+            "name" : "042",
             "data" : [
                [
                   "Perl",
@@ -772,6 +761,8 @@
             ]
          },
          {
+            "id" : "043",
+            "name" : "043",
             "data" : [
                [
                   "Perl",
@@ -785,9 +776,7 @@
                   "Blog",
                   9
                ]
-            ],
-            "id" : "043",
-            "name" : "043"
+            ]
          },
          {
             "name" : "044",
@@ -813,7 +802,7 @@
             "data" : [
                [
                   "Perl",
-                  9
+                  11
                ],
                [
                   "Raku",
@@ -834,69 +823,67 @@
    },
    "plotOptions" : {
       "series" : {
-         "borderWidth" : 0,
          "dataLabels" : {
             "enabled" : 1,
             "format" : "{point.y}"
-         }
+         },
+         "borderWidth" : 0
       }
    },
-   "xAxis" : {
-      "type" : "category"
-   },
    "series" : [
       {
+         "colorByPoint" : "true",
          "name" : "Perl Weekly Challenge Languages",
          "data" : [
             {
+               "name" : "#001",
                "drilldown" : "001",
-               "y" : 140,
-               "name" : "#001"
+               "y" : 140
             },
             {
+               "drilldown" : "002",
                "y" : 109,
-               "name" : "#002",
-               "drilldown" : "002"
+               "name" : "#002"
             },
             {
+               "y" : 71,
                "drilldown" : "003",
-               "name" : "#003",
-               "y" : 71
+               "name" : "#003"
             },
             {
-               "drilldown" : "004",
                "name" : "#004",
-               "y" : 91
+               "y" : 91,
+               "drilldown" : "004"
             },
             {
-               "name" : "#005",
+               "drilldown" : "005",
                "y" : 71,
-               "drilldown" : "005"
+               "name" : "#005"
             },
             {
-               "name" : "#006",
+               "drilldown" : "006",
                "y" : 48,
-               "drilldown" : "006"
+               "name" : "#006"
             },
             {
-               "drilldown" : "007",
                "name" : "#007",
+               "drilldown" : "007",
                "y" : 56
             },
             {
-               "y" : 70,
                "name" : "#008",
+               "y" : 70,
                "drilldown" : "008"
             },
             {
-               "name" : "#009",
                "y" : 68,
-               "drilldown" : "009"
+               "drilldown" : "009",
+               "name" : "#009"
             },
             {
+               "name" : "#010",
                "drilldown" : "010",
-               "y" : 60,
-               "name" : "#010"
+               "y" : 60
             },
             {
                "drilldown" : "011",
@@ -904,23 +891,23 @@
                "name" : "#011"
             },
             {
-               "name" : "#012",
                "y" : 83,
-               "drilldown" : "012"
+               "drilldown" : "012",
+               "name" : "#012"
             },
             {
-               "name" : "#013",
                "y" : 76,
-               "drilldown" : "013"
+               "drilldown" : "013",
+               "name" : "#013"
             },
             {
-               "name" : "#014",
+               "drilldown" : "014",
                "y" : 96,
-               "drilldown" : "014"
+               "name" : "#014"
             },
             {
-               "drilldown" : "015",
                "name" : "#015",
+               "drilldown" : "015",
                "y" : 93
             },
             {
@@ -929,8 +916,8 @@
                "drilldown" : "016"
             },
             {
-               "drilldown" : "017",
                "name" : "#017",
+               "drilldown" : "017",
                "y" : 79
             },
             {
@@ -939,29 +926,29 @@
                "name" : "#018"
             },
             {
-               "name" : "#019",
                "y" : 95,
-               "drilldown" : "019"
+               "drilldown" : "019",
+               "name" : "#019"
             },
             {
                "drilldown" : "020",
-               "name" : "#020",
-               "y" : 95
+               "y" : 95,
+               "name" : "#020"
             },
             {
-               "drilldown" : "021",
                "y" : 67,
+               "drilldown" : "021",
                "name" : "#021"
             },
             {
-               "name" : "#022",
                "y" : 63,
-               "drilldown" : "022"
+               "drilldown" : "022",
+               "name" : "#022"
             },
             {
-               "drilldown" : "023",
+               "name" : "#023",
                "y" : 91,
-               "name" : "#023"
+               "drilldown" : "023"
             },
             {
                "name" : "#024",
@@ -969,54 +956,54 @@
                "drilldown" : "024"
             },
             {
-               "drilldown" : "025",
                "name" : "#025",
-               "y" : 55
+               "y" : 55,
+               "drilldown" : "025"
             },
             {
+               "name" : "#026",
                "drilldown" : "026",
-               "y" : 70,
-               "name" : "#026"
+               "y" : 70
             },
             {
+               "y" : 58,
                "drilldown" : "027",
-               "name" : "#027",
-               "y" : 58
+               "name" : "#027"
             },
             {
+               "y" : 78,
                "drilldown" : "028",
-               "name" : "#028",
-               "y" : 78
+               "name" : "#028"
             },
             {
+               "drilldown" : "029",
                "y" : 77,
-               "name" : "#029",
-               "drilldown" : "029"
+               "name" : "#029"
             },
             {
                "y" : 115,
-               "name" : "#030",
-               "drilldown" : "030"
+               "drilldown" : "030",
+               "name" : "#030"
             },
             {
-               "name" : "#031",
+               "drilldown" : "031",
                "y" : 87,
-               "drilldown" : "031"
+               "name" : "#031"
             },
             {
-               "y" : 92,
                "name" : "#032",
-               "drilldown" : "032"
+               "drilldown" : "032",
+               "y" : 92
             },
             {
-               "y" : 108,
                "name" : "#033",
+               "y" : 108,
                "drilldown" : "033"
             },
             {
-               "name" : "#034",
                "y" : 60,
-               "drilldown" : "034"
+               "drilldown" : "034",
+               "name" : "#034"
             },
             {
                "drilldown" : "035",
@@ -1024,23 +1011,23 @@
                "name" : "#035"
             },
             {
-               "name" : "#036",
+               "drilldown" : "036",
                "y" : 61,
-               "drilldown" : "036"
+               "name" : "#036"
             },
             {
+               "name" : "#037",
                "drilldown" : "037",
-               "y" : 63,
-               "name" : "#037"
+               "y" : 63
             },
             {
-               "y" : 60,
                "name" : "#038",
+               "y" : 60,
                "drilldown" : "038"
             },
             {
-               "drilldown" : "039",
                "y" : 60,
+               "drilldown" : "039",
                "name" : "#039"
             },
             {
@@ -1049,19 +1036,19 @@</