- Added solutions by David Ferrone.

23 files changed, 2003 insertions, 1984 deletions

diff --git a/challenge-286/zapwai/javascript/286-1.html b/challenge-286/zapwai/javascript/ch-1.html
index 0dde34add5..0dde34add5 100644
--- a/challenge-286/zapwai/javascript/286-1.html
+++ b/challenge-286/zapwai/javascript/ch-1.html
diff --git a/stats/pwc-current.json b/stats/pwc-current.json
index e337f0a7c6..af831312fa 100644
--- a/stats/pwc-current.json
+++ b/stats/pwc-current.json
@@ -1,131 +1,42 @@
 {
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-         "dataLabels" : {
-            "format" : "{point.y}",
-            "enabled" : 1
-         },
-         "borderWidth" : 0
-      }
-   },
-   "series" : [
-      {
-         "name" : "The Weekly Challenge - 286",
-         "colorByPoint" : 1,
-         "data" : [
-            {
-               "drilldown" : "Alexander Karelas",
-               "y" : 1,
-               "name" : "Alexander Karelas"
-            },
-            {
-               "drilldown" : "Cheok-Yin Fung",
-               "y" : 1,
-               "name" : "Cheok-Yin Fung"
-            },
-            {
-               "y" : 2,
-               "name" : "E. Choroba",
-               "drilldown" : "E. Choroba"
-            },
-            {
-               "name" : "Feng Chang",
-               "y" : 2,
-               "drilldown" : "Feng Chang"
-            },
-            {
-               "name" : "Kjetil Skotheim",
-               "y" : 2,
-               "drilldown" : "Kjetil Skotheim"
-            },
-            {
-               "y" : 6,
-               "name" : "Laurent Rosenfeld",
-               "drilldown" : "Laurent Rosenfeld"
-            },
-            {
-               "drilldown" : "Niels van Dijke",
-               "name" : "Niels van Dijke",
-               "y" : 2
-            },
-            {
-               "drilldown" : "Packy Anderson",
-               "y" : 5,
-               "name" : "Packy Anderson"
-            },
-            {
-               "drilldown" : "Peter Campbell Smith",
-               "y" : 3,
-               "name" : "Peter Campbell Smith"
-            },
-            {
-               "drilldown" : "Peter Meszaros",
-               "name" : "Peter Meszaros",
-               "y" : 2
-            },
-            {
-               "name" : "Peter Pentchev",
-               "y" : 2,
-               "drilldown" : "Peter Pentchev"
-            },
-            {
-               "name" : "Roger Bell_West",
-               "y" : 2,
-               "drilldown" : "Roger Bell_West"
-            },
-            {
-               "y" : 4,
-               "name" : "Thomas Kohler",
-               "drilldown" : "Thomas Kohler"
-            },
-            {
-               "y" : 3,
-               "name" : "Torgny Lyon",
-               "drilldown" : "Torgny Lyon"
-            },
-            {
-               "drilldown" : "W. Luis Mochan",
-               "y" : 3,
-               "name" : "W. Luis Mochan"
-            }
-         ]
-      }
-   ],
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-      "headerFormat" : "<span style='font-size:11px'>{series.name}</span><br/>"
-   },
-   "title" : {
-      "text" : "The Weekly Challenge - 286"
-   },
-   "legend" : {
-      "enabled" : 0
-   },
-   "chart" : {
-      "type" : "column"
+   "subtitle" : {
+      "text" : "[Champions: 16] Last updated at 2024-09-10 16:03:49 GMT"
    },
    "drilldown" : {
       "series" : [
          {
+            "id" : "Alexander Karelas",
+            "name" : "Alexander Karelas",
             "data" : [
                [
                   "Perl",
                   1
                ]
-            ],
-            "id" : "Alexander Karelas",
-            "name" : "Alexander Karelas"
+            ]
          },
          {
             "name" : "Cheok-Yin Fung",
+            "id" : "Cheok-Yin Fung",
             "data" : [
                [
                   "Perl",
                   1
                ]
+            ]
+         },
+         {
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Blog",
+                  1
+               ]
             ],
-            "id" : "Cheok-Yin Fung"
+            "id" : "David Ferrone",
+            "name" : "David Ferrone"
          },
          {
             "data" : [
@@ -138,28 +49,26 @@
             "name" : "E. Choroba"
          },
          {
-            "name" : "Feng Chang",
             "data" : [
                [
                   "Raku",
                   2
                ]
             ],
-            "id" : "Feng Chang"
+            "id" : "Feng Chang",
+            "name" : "Feng Chang"
          },
          {
+            "id" : "Kjetil Skotheim",
             "name" : "Kjetil Skotheim",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ],
-            "id" : "Kjetil Skotheim"
+            ]
          },
          {
-            "name" : "Laurent Rosenfeld",
-            "id" : "Laurent Rosenfeld",
             "data" : [
                [
                   "Perl",
@@ -173,20 +82,21 @@
                   "Blog",
                   2
                ]
-            ]
+            ],
+            "id" : "Laurent Rosenfeld",
+            "name" : "Laurent Rosenfeld"
          },
          {
-            "name" : "Niels van Dijke",
             "data" : [
                [
                   "Perl",
                   2
                ]
             ],
+            "name" : "Niels van Dijke",
             "id" : "Niels van Dijke"
          },
          {
-            "name" : "Packy Anderson",
             "data" : [
                [
                   "Perl",
@@ -201,11 +111,10 @@
                   1
                ]
             ],
+            "name" : "Packy Anderson",
             "id" : "Packy Anderson"
          },
          {
-            "name" : "Peter Campbell Smith",
-            "id" : "Peter Campbell Smith",
             "data" : [
                [
                   "Perl",
@@ -215,29 +124,33 @@
                   "Blog",
                   1
                ]
-            ]
+            ],
+            "name" : "Peter Campbell Smith",
+            "id" : "Peter Campbell Smith"
          },
          {
+            "id" : "Peter Meszaros",
+            "name" : "Peter Meszaros",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ],
-            "id" : "Peter Meszaros",
-            "name" : "Peter Meszaros"
+            ]
          },
          {
-            "name" : "Peter Pentchev",
-            "id" : "Peter Pentchev",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ]
+            ],
+            "id" : "Peter Pentchev",
+            "name" : "Peter Pentchev"
          },
          {
+            "name" : "Roger Bell_West",
+            "id" : "Roger Bell_West",
             "data" : [
                [
                   "Perl",
@@ -247,12 +160,11 @@
                   "Raku",
                   1
                ]
-            ],
-            "id" : "Roger Bell_West",
-            "name" : "Roger Bell_West"
+            ]
          },
          {
             "id" : "Thomas Kohler",
+            "name" : "Thomas Kohler",
             "data" : [
                [
                   "Perl",
@@ -262,10 +174,10 @@
                   "Blog",
                   2
                ]
-            ],
-            "name" : "Thomas Kohler"
+            ]
          },
          {
+            "id" : "Torgny Lyon",
             "name" : "Torgny Lyon",
             "data" : [
                [
@@ -276,8 +188,7 @@
                   "Blog",
                   1
                ]
-            ],
-            "id" : "Torgny Lyon"
+            ]
          },
          {
             "data" : [
@@ -290,20 +201,128 @@
                   1
                ]
             ],
-            "id" : "W. Luis Mochan",
-            "name" : "W. Luis Mochan"
+            "name" : "W. Luis Mochan",
+            "id" : "W. Luis Mochan"
          }
       ]
    },
-   "subtitle" : {
-      "text" : "[Champions: 15] Last updated at 2024-09-10 15:27:16 GMT"
+   "legend" : {
+      "enabled" : 0
    },
-   "xAxis" : {
-      "type" : "category"
+   "plotOptions" : {
+      "series" : {
+         "borderWidth" : 0,
+         "dataLabels" : {
+            "enabled" : 1,
+            "format" : "{point.y}"
+         }
+      }
+   },
+   "title" : {
+      "text" : "The Weekly Challenge - 286"
+   },
+   "chart" : {
+      "type" : "column"
    },
    "yAxis" : {
       "title" : {
          "text" : "Total Solutions"
       }
-   }
+   },
+   "xAxis" : {
+      "type" : "category"
+   },
+   "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
+   },
+   "series" : [
+      {
+         "data" : [
+            {
+               "name" : "Alexander Karelas",
+               "y" : 1,
+               "drilldown" : "Alexander Karelas"
+            },
+            {
+               "drilldown" : "Cheok-Yin Fung",
+               "name" : "Cheok-Yin Fung",
+               "y" : 1
+            },
+            {
+               "y" : 3,
+               "name" : "David Ferrone",
+               "drilldown" : "David Ferrone"
+            },
+            {
+               "drilldown" : "E. Choroba",
+               "y" : 2,
+               "name" : "E. Choroba"
+            },
+            {
+               "drilldown" : "Feng Chang",
+               "y" : 2,
+               "name" : "Feng Chang"
+            },
+            {
+               "name" : "Kjetil Skotheim",
+               "y" : 2,
+               "drilldown" : "Kjetil Skotheim"
+            },
+            {
+               "y" : 6,
+               "name" : "Laurent Rosenfeld",
+               "drilldown" : "Laurent Rosenfeld"
+            },
+            {
+               "drilldown" : "Niels van Dijke",
+               "name" : "Niels van Dijke",
+               "y" : 2
+            },
+            {
+               "y" : 5,
+               "name" : "Packy Anderson",
+               "drilldown" : "Packy Anderson"
+            },
+            {
+               "drilldown" : "Peter Campbell Smith",
+               "y" : 3,
+               "name" : "Peter Campbell Smith"
+            },
+            {
+               "drilldown" : "Peter Meszaros",
+               "name" : "Peter Meszaros",
+               "y" : 2
+            },
+            {
+               "y" : 2,
+               "name" : "Peter Pentchev",
+               "drilldown" : "Peter Pentchev"
+            },
+            {
+               "drilldown" : "Roger Bell_West",
+               "name" : "Roger Bell_West",
+               "y" : 2
+            },
+            {
+               "drilldown" : "Thomas Kohler",
+               "y" : 4,
+               "name" : "Thomas Kohler"
+            },
+            {
+               "drilldown" : "Torgny Lyon",
+               "y" : 3,
+               "name" : "Torgny Lyon"
+            },
+            {
+               "drilldown" : "W. Luis Mochan",
+               "name" : "W. Luis Mochan",
+               "y" : 3
+            }
+         ],
+         "colorByPoint" : 1,
+         "name" : "The Weekly Challenge - 286"
+      }
+   ]
 }
diff --git a/stats/pwc-language-breakdown-2019.json b/stats/pwc-language-breakdown-2019.json
index 454f51e351..04aa57e71c 100644
--- a/stats/pwc-language-breakdown-2019.json
+++ b/stats/pwc-language-breakdown-2019.json
@@ -1,18 +1,4 @@
 {
-   "tooltip" : {
-      "pointFormat" : "<span style=\"color:{point.color}\">Challenge {point.name}</span>: <b>{point.y:f}</b><br/>",
-      "headerFormat" : "<span style=\"font-size:11px\"></span>",
-      "followPointer" : "true"
-   },
-   "title" : {
-      "text" : "The Weekly Challenge Language"
-   },
-   "chart" : {
-      "type" : "column"
-   },
-   "legend" : {
-      "enabled" : "false"
-   },
    "plotOptions" : {
       "series" : {
          "dataLabels" : {
@@ -22,30 +8,41 @@
          "borderWidth" : 0
       }
    },
+   "title" : {
+      "text" : "The Weekly Challenge Language"
+   },
+   "chart" : {
+      "type" : "column"
+   },
+   "yAxis" : {
+      "title" : {
+         "text" : "Total Solutions"
+      }
+   },
    "series" : [
       {
          "name" : "The Weekly Challenge Languages",
          "colorByPoint" : "true",
          "data" : [
             {
+               "drilldown" : "041",
                "y" : 80,
-               "name" : "041",
-               "drilldown" : "041"
+               "name" : "041"
             },
             {
+               "drilldown" : "040",
                "y" : 77,
-               "name" : "040",
-               "drilldown" : "040"
+               "name" : "040"
             },
             {
-               "name" : "039",
                "y" : 68,
+               "name" : "039",
                "drilldown" : "039"
             },
             {
                "drilldown" : "038",
-               "y" : 74,
-               "name" : "038"
+               "name" : "038",
+               "y" : 74
             },
             {
                "drilldown" : "037",
@@ -53,14 +50,14 @@
                "y" : 70
             },
             {
+               "drilldown" : "036",
                "y" : 70,
-               "name" : "036",
-               "drilldown" : "036"
+               "name" : "036"
             },
             {
-               "drilldown" : "035",
                "y" : 68,
-               "name" : "035"
+               "name" : "035",
+               "drilldown" : "035"
             },
             {
                "name" : "034",
@@ -78,49 +75,49 @@
                "drilldown" : "032"
             },
             {
-               "y" : 93,
+               "drilldown" : "031",
                "name" : "031",
-               "drilldown" : "031"
+               "y" : 93
             },
             {
+               "drilldown" : "030",
                "name" : "030",
-               "y" : 120,
-               "drilldown" : "030"
+               "y" : 120
             },
             {
-               "y" : 83,
+               "drilldown" : "029",
                "name" : "029",
-               "drilldown" : "029"
+               "y" : 83
             },
             {
-               "name" : "028",
                "y" : 82,
+               "name" : "028",
                "drilldown" : "028"
             },
             {
-               "name" : "027",
+               "drilldown" : "027",
                "y" : 64,
-               "drilldown" : "027"
+               "name" : "027"
             },
             {
-               "drilldown" : "026",
                "name" : "026",
-               "y" : 75
+               "y" : 75,
+               "drilldown" : "026"
             },
             {
-               "y" : 62,
                "name" : "025",
+               "y" : 62,
                "drilldown" : "025"
             },
             {
+               "drilldown" : "024",
                "y" : 77,
-               "name" : "024",
-               "drilldown" : "024"
+               "name" : "024"
             },
             {
-               "drilldown" : "023",
+               "name" : "023",
                "y" : 88,
-               "name" : "023"
+               "drilldown" : "023"
             },
             {
                "drilldown" : "022",
@@ -128,14 +125,14 @@
                "y" : 72
             },
             {
-               "y" : 72,
                "name" : "021",
+               "y" : 72,
                "drilldown" : "021"
             },
             {
+               "drilldown" : "020",
                "y" : 100,
-               "name" : "020",
-               "drilldown" : "020"
+               "name" : "020"
             },
             {
                "y" : 101,
@@ -158,13 +155,13 @@
                "drilldown" : "016"
             },
             {
-               "y" : 95,
                "name" : "015",
+               "y" : 95,
                "drilldown" : "015"
             },
             {
-               "name" : "014",
                "y" : 98,
+               "name" : "014",
                "drilldown" : "014"
             },
             {
@@ -173,14 +170,14 @@
                "name" : "013"
             },
             {
+               "drilldown" : "012",
                "y" : 90,
-               "name" : "012",
-               "drilldown" : "012"
+               "name" : "012"
             },
             {
                "drilldown" : "011",
-               "y" : 86,
-               "name" : "011"
+               "name" : "011",
+               "y" : 86
             },
             {
                "drilldown" : "010",
@@ -188,24 +185,24 @@
                "name" : "010"
             },
             {
-               "drilldown" : "009",
+               "name" : "009",
                "y" : 79,
-               "name" : "009"
+               "drilldown" : "009"
             },
             {
+               "drilldown" : "008",
                "name" : "008",
-               "y" : 82,
-               "drilldown" : "008"
+               "y" : 82
             },
             {
-               "y" : 71,
                "name" : "007",
+               "y" : 71,
                "drilldown" : "007"
             },
             {
-               "name" : "006",
+               "drilldown" : "006",
                "y" : 63,
-               "drilldown" : "006"
+               "name" : "006"
             },
             {
                "drilldown" : "005",
@@ -213,36 +210,36 @@
                "name" : "005"
             },
             {
-               "name" : "004",
                "y" : 106,
+               "name" : "004",
                "drilldown" : "004"
             },
             {
-               "y" : 91,
                "name" : "003",
+               "y" : 91,
                "drilldown" : "003"
             },
             {
-               "drilldown" : "002",
+               "y" : 133,
                "name" : "002",
-               "y" : 133
+               "drilldown" : "002"
             },
             {
-               "drilldown" : "001",
                "name" : "001",
-               "y" : 165
+               "y" : 165,
+               "drilldown" : "001"
             }
          ]
       }
    ],
+   "tooltip" : {
+      "pointFormat" : "<span style=\"color:{point.color}\">Challenge {point.name}</span>: <b>{point.y:f}</b><br/>",
+      "followPointer" : "true",
+      "headerFormat" : "<span style=\"font-size:11px\"></span>"
+   },
    "xAxis" : {
       "type" : "category"
    },
-   "yAxis" : {
-      "title" : {
-         "text" : "Total Solutions"
-      }
-   },
    "drilldown" : {
       "series" : [
          {
@@ -260,10 +257,11 @@
                   9
                ]
             ],
-            "id" : "041",
-            "name" : "041"
+            "name" : "041",
+            "id" : "041"
          },
          {
+            "name" : "040",
             "id" : "040",
             "data" : [
                [
@@ -278,8 +276,7 @@
                   "Blog",
                   10
                ]
-            ],
-            "name" : "040"
+            ]
          },
          {
             "name" : "039",
@@ -314,12 +311,12 @@
                   12
                ]
             ],
-            "id" : "038",
-            "name" : "038"
+            "name" : "038",
+            "id" : "038"
          },
          {
-            "name" : "037",
             "id" : "037",
+            "name" : "037",
             "data" : [
                [
                   "Perl",
@@ -337,6 +334,7 @@
          },
          {
             "id" : "036",
+            "name" : "036",
             "data" : [
                [
                   "Perl",
@@ -350,12 +348,11 @@
                   "Blog",
                   11
                ]
-            ],
-            "name" : "036"
+            ]
          },
          {
-            "name" : "035",
             "id" : "035",
+            "name" : "035",
             "data" : [
                [
                   "Perl",
@@ -372,8 +369,6 @@
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-            "name" : "034",
-            "id" : "034",
             "data" : [
                [
                   "Perl",
@@ -387,10 +382,13 @@
                   "Blog",
                   11
                ]
-            ]
+            ],
+            "id" : "034",
+            "name" : "034"
          },
          {
             "name" : "033",
+            "id" : "033",
             "data" : [
                [
                   "Perl",
@@ -404,11 +402,11 @@
                   "Blog",
                   10
                ]
-            ],
-            "id" : "033"
+            ]
          },
          {
             "id" : "032",
+            "name" : "032",
             "data" : [
                [
                   "Perl",
@@ -422,11 +420,11 @@
                   "Blog",
                   10
                ]
-            ],
-            "name" : "032"
+            ]
          },
          {
             "id" : "031",
+            "name" : "031",
             "data" : [
                [
                   "Perl",
@@ -440,8 +438,7 @@
                   "Blog",
                   9
                ]
-            ],
-            "name" : "031"
+            ]
          },
          {
             "name" : "030",
@@ -462,6 +459,7 @@
             ]
          },
          {
+            "name" : "029",
             "id" : "029",
             "data" : [
                [
@@ -476,10 +474,10 @@
                   "Blog",
                   12
                ]
-            ],
-            "name" : "029"
+            ]
          },
          {
+            "name" : "028",
             "id" : "028",
             "data" : [
                [
@@ -494,11 +492,9 @@
                   "Blog",
                   9
                ]
-            ],
-            "name" : "028"
+            ]
          },
          {
-            "id" : "027",
             "data" : [
                [
                   "Perl",
@@ -513,10 +509,12 @@
                   9
                ]
             ],
-            "name" : "027"
+            "name" : "027",
+            "id" : "027"
          },
          {
             "name" : "026",
+            "id" : "026",
             "data" : [
                [
                   "Perl",
@@ -530,10 +528,10 @@
                   "Blog",
                   10
                ]
-            ],
-            "id" : "026"
+            ]
          },
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+            "id" : "025",
             "name" : "025",
             "data" : [
                [
@@ -548,11 +546,11 @@
                   "Blog",
                   12
                ]
-            ],
-            "id" : "025"
+            ]
          },
          {
             "id" : "024",
+            "name" : "024",
             "data" : [
                [
                   "Perl",
@@ -566,12 +564,9 @@
                   "Blog",
                   11
                ]
-            ],
-            "name" : "024"
+            ]
          },
          {
-            "name" : "023",
-            "id" : "023",
             "data" : [
                [
                   "Perl",
@@ -585,9 +580,13 @@
                   "Blog",
                   12
                ]
-            ]
+            ],
+            "name" : "023",
+            "id" : "023"
          },
          {
+            "id" : "022",
+            "name" : "022",
             "data" : [
                [
                   "Perl",
@@ -601,12 +600,9 @@
                   "Blog",
                   10
                ]
-            ],
-            "id" : "022",
-            "name" : "022"
+            ]
          },
          {
-            "name" : "021",
             "data" : [
                [
                   "Perl",
@@ -621,10 +617,12 @@
                   10
                ]
             ],
+            "name" : "021",
             "id" : "021"
          },
          {
             "name" : "020",
+            "id" : "020",
             "data" : [
                [
                   "Perl",
@@ -638,12 +636,9 @@
                   "Blog",
                   13
                ]
-            ],
-            "id" : "020"
+            ]
          },
          {
-            "name" : "019",
-            "id" : "019",
             "data" : [
                [
                   "Perl",
@@ -657,9 +652,13 @@
                   "Blog",
                   13
                ]
-            ]
+            ],
+            "name" : "019",
+            "id" : "019"
          },
          {
+            "name" : "018",
+            "id" : "018",
             "data" : [
                [
                   "Perl",
@@ -673,13 +672,9 @@