- Added solutions by Lubos Kolouch.

23 files changed, 2452 insertions, 2437 deletions

diff --git a/stats/pwc-current.json b/stats/pwc-current.json
index f8b6b4adf4..3cdc5680d9 100644
--- a/stats/pwc-current.json
+++ b/stats/pwc-current.json
@@ -1,53 +1,51 @@
 {
-   "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" : [
       {
+         "name" : "The Weekly Challenge - 305",
          "data" : [
             {
+               "drilldown" : "Ali Moradi",
                "name" : "Ali Moradi",
-               "y" : 3,
-               "drilldown" : "Ali Moradi"
+               "y" : 3
             },
             {
+               "name" : "Andreas Mahnke",
                "drilldown" : "Andreas Mahnke",
-               "y" : 2,
-               "name" : "Andreas Mahnke"
+               "y" : 2
             },
             {
-               "drilldown" : "David Ferrone",
                "name" : "David Ferrone",
+               "drilldown" : "David Ferrone",
                "y" : 2
             },
             {
-               "drilldown" : "E. Choroba",
                "y" : 2,
-               "name" : "E. Choroba"
+               "name" : "E. Choroba",
+               "drilldown" : "E. Choroba"
             },
             {
-               "drilldown" : "Feng Chang",
                "y" : 2,
+               "drilldown" : "Feng Chang",
                "name" : "Feng Chang"
             },
             {
+               "y" : 2,
+               "name" : "Lubos Kolouch",
+               "drilldown" : "Lubos Kolouch"
+            },
+            {
+               "name" : "Luca Ferrari",
                "drilldown" : "Luca Ferrari",
-               "y" : 12,
-               "name" : "Luca Ferrari"
+               "y" : 12
             },
             {
-               "y" : 2,
+               "drilldown" : "Mark Anderson",
                "name" : "Mark Anderson",
-               "drilldown" : "Mark Anderson"
+               "y" : 2
             },
             {
-               "drilldown" : "Niels van Dijke",
                "y" : 2,
+               "drilldown" : "Niels van Dijke",
                "name" : "Niels van Dijke"
             },
             {
@@ -56,40 +54,48 @@
                "drilldown" : "Peter Campbell Smith"
             },
             {
-               "name" : "Robbie Hatley",
                "y" : 3,
+               "name" : "Robbie Hatley",
                "drilldown" : "Robbie Hatley"
             },
             {
                "y" : 4,
-               "name" : "Roger Bell_West",
-               "drilldown" : "Roger Bell_West"
+               "drilldown" : "Roger Bell_West",
+               "name" : "Roger Bell_West"
             },
             {
-               "drilldown" : "Thomas Kohler",
+               "y" : 4,
                "name" : "Thomas Kohler",
-               "y" : 4
+               "drilldown" : "Thomas Kohler"
             },
             {
-               "drilldown" : "Ulrich Rieke",
                "name" : "Ulrich Rieke",
+               "drilldown" : "Ulrich Rieke",
                "y" : 4
             },
             {
-               "drilldown" : "W. Luis Mochan",
                "y" : 3,
+               "drilldown" : "W. Luis Mochan",
                "name" : "W. Luis Mochan"
             }
          ],
-         "name" : "The Weekly Challenge - 305",
          "colorByPoint" : 1
       }
    ],
+   "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/>"
+   },
+   "yAxis" : {
+      "title" : {
+         "text" : "Total Solutions"
+      }
+   },
    "drilldown" : {
       "series" : [
          {
             "name" : "Ali Moradi",
-            "id" : "Ali Moradi",
             "data" : [
                [
                   "Perl",
@@ -99,27 +105,28 @@
                   "Blog",
                   1
                ]
-            ]
+            ],
+            "id" : "Ali Moradi"
          },
          {
+            "id" : "Andreas Mahnke",
             "data" : [
                [
                   "Perl",
                   2
                ]
             ],
-            "name" : "Andreas Mahnke",
-            "id" : "Andreas Mahnke"
+            "name" : "Andreas Mahnke"
          },
          {
-            "id" : "David Ferrone",
-            "name" : "David Ferrone",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ]
+            ],
+            "id" : "David Ferrone",
+            "name" : "David Ferrone"
          },
          {
             "data" : [
@@ -132,16 +139,27 @@
             "name" : "E. Choroba"
          },
          {
+            "name" : "Feng Chang",
             "data" : [
                [
                   "Raku",
                   2
                ]
             ],
-            "name" : "Feng Chang",
             "id" : "Feng Chang"
          },
          {
+            "name" : "Lubos Kolouch",
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ]
+            ],
+            "id" : "Lubos Kolouch"
+         },
+         {
+            "name" : "Luca Ferrari",
             "data" : [
                [
                   "Raku",
@@ -152,32 +170,31 @@
                   10
                ]
             ],
-            "name" : "Luca Ferrari",
             "id" : "Luca Ferrari"
          },
          {
+            "id" : "Mark Anderson",
             "data" : [
                [
                   "Raku",
                   2
                ]
             ],
-            "name" : "Mark Anderson",
-            "id" : "Mark Anderson"
+            "name" : "Mark Anderson"
          },
          {
+            "id" : "Niels van Dijke",
             "data" : [
                [
                   "Perl",
                   2
                ]
             ],
-            "id" : "Niels van Dijke",
             "name" : "Niels van Dijke"
          },
          {
-            "id" : "Peter Campbell Smith",
             "name" : "Peter Campbell Smith",
+            "id" : "Peter Campbell Smith",
             "data" : [
                [
                   "Perl",
@@ -204,6 +221,8 @@
             ]
          },
          {
+            "name" : "Roger Bell_West",
+            "id" : "Roger Bell_West",
             "data" : [
                [
                   "Perl",
@@ -213,11 +232,10 @@
                   "Raku",
                   2
                ]
-            ],
-            "name" : "Roger Bell_West",
-            "id" : "Roger Bell_West"
+            ]
          },
          {
+            "id" : "Thomas Kohler",
             "data" : [
                [
                   "Perl",
@@ -228,7 +246,6 @@
                   2
                ]
             ],
-            "id" : "Thomas Kohler",
             "name" : "Thomas Kohler"
          },
          {
@@ -246,7 +263,6 @@
             "name" : "Ulrich Rieke"
          },
          {
-            "name" : "W. Luis Mochan",
             "id" : "W. Luis Mochan",
             "data" : [
                [
@@ -257,34 +273,33 @@
                   "Blog",
                   1
                ]
-            ]
+            ],
+            "name" : "W. Luis Mochan"
          }
       ]
    },
-   "title" : {
-      "text" : "The Weekly Challenge - 305"
-   },
-   "legend" : {
-      "enabled" : 0
-   },
    "xAxis" : {
       "type" : "category"
    },
-   "yAxis" : {
-      "title" : {
-         "text" : "Total Solutions"
-      }
-   },
    "subtitle" : {
-      "text" : "[Champions: 14] Last updated at 2025-01-22 09:46:37 GMT"
+      "text" : "[Champions: 15] Last updated at 2025-01-23 19:32:13 GMT"
+   },
+   "chart" : {
+      "type" : "column"
+   },
+   "legend" : {
+      "enabled" : 0
+   },
+   "title" : {
+      "text" : "The Weekly Challenge - 305"
    },
    "plotOptions" : {
       "series" : {
-         "borderWidth" : 0,
          "dataLabels" : {
             "format" : "{point.y}",
             "enabled" : 1
-         }
+         },
+         "borderWidth" : 0
       }
    }
 }
diff --git a/stats/pwc-language-breakdown-2019.json b/stats/pwc-language-breakdown-2019.json
index c51d8430e3..2bc3270895 100644
--- a/stats/pwc-language-breakdown-2019.json
+++ b/stats/pwc-language-breakdown-2019.json
@@ -1,29 +1,32 @@
 {
-   "subtitle" : {
-      "text" : "Click the columns to drilldown the language breakdown. Last updated at 2025-01-22 09:46:37 GMT"
+   "legend" : {
+      "enabled" : "false"
    },
    "plotOptions" : {
       "series" : {
-         "borderWidth" : 0,
          "dataLabels" : {
             "format" : "{point.y}",
             "enabled" : 1
-         }
+         },
+         "borderWidth" : 0
       }
    },
-   "yAxis" : {
-      "title" : {
-         "text" : "Total Solutions"
-      }
+   "title" : {
+      "text" : "The Weekly Challenge Language"
    },
    "xAxis" : {
       "type" : "category"
    },
-   "legend" : {
-      "enabled" : "false"
+   "subtitle" : {
+      "text" : "Click the columns to drilldown the language breakdown. Last updated at 2025-01-23 19:32:13 GMT"
    },
-   "title" : {
-      "text" : "The Weekly Challenge Language"
+   "chart" : {
+      "type" : "column"
+   },
+   "yAxis" : {
+      "title" : {
+         "text" : "Total Solutions"
+      }
    },
    "drilldown" : {
       "series" : [
@@ -46,7 +49,6 @@
             "name" : "041"
          },
          {
-            "id" : "040",
             "name" : "040",
             "data" : [
                [
@@ -61,11 +63,10 @@
                   "Blog",
                   10
                ]
-            ]
+            ],
+            "id" : "040"
          },
          {
-            "id" : "039",
-            "name" : "039",
             "data" : [
                [
                   "Perl",
@@ -79,7 +80,9 @@
                   "Blog",
                   12
                ]
-            ]
+            ],
+            "id" : "039",
+            "name" : "039"
          },
          {
             "name" : "038",
@@ -118,6 +121,7 @@
             "name" : "037"
          },
          {
+            "name" : "036",
             "data" : [
                [
                   "Perl",
@@ -132,7 +136,6 @@
                   11
                ]
             ],
-            "name" : "036",
             "id" : "036"
          },
          {
@@ -154,7 +157,6 @@
             ]
          },
          {
-            "id" : "034",
             "name" : "034",
             "data" : [
                [
@@ -169,11 +171,11 @@
                   "Blog",
                   11
                ]
-            ]
+            ],
+            "id" : "034"
          },
          {
             "id" : "033",
-            "name" : "033",
             "data" : [
                [
                   "Perl",
@@ -187,9 +189,11 @@
                   "Blog",
                   10
                ]
-            ]
+            ],
+            "name" : "033"
          },
          {
+            "id" : "032",
             "data" : [
                [
                   "Perl",
@@ -204,10 +208,10 @@
                   10
                ]
             ],
-            "name" : "032",
-            "id" : "032"
+            "name" : "032"
          },
          {
+            "id" : "031",
             "data" : [
                [
                   "Perl",
@@ -222,11 +226,9 @@
                   9
                ]
             ],
-            "name" : "031",
-            "id" : "031"
+            "name" : "031"
          },
          {
-            "name" : "030",
             "id" : "030",
             "data" : [
                [
@@ -241,11 +243,10 @@
                   "Blog",
                   10
                ]
-            ]
+            ],
+            "name" : "030"
          },
          {
-            "name" : "029",
-            "id" : "029",
             "data" : [
                [
                   "Perl",
@@ -259,9 +260,12 @@
                   "Blog",
                   12
                ]
-            ]
+            ],
+            "id" : "029",
+            "name" : "029"
          },
          {
+            "id" : "028",
             "data" : [
                [
                   "Perl",
@@ -276,10 +280,10 @@
                   9
                ]
             ],
-            "name" : "028",
-            "id" : "028"
+            "name" : "028"
          },
          {
+            "name" : "027",
             "data" : [
                [
                   "Perl",
@@ -294,8 +298,7 @@
                   9
                ]
             ],
-            "id" : "027",
-            "name" : "027"
+            "id" : "027"
          },
          {
             "name" : "026",
@@ -316,6 +319,7 @@
             ]
          },
          {
+            "id" : "025",
             "data" : [
                [
                   "Perl",
@@ -330,12 +334,10 @@
                   12
                ]
             ],
-            "id" : "025",
             "name" : "025"
          },
          {
             "name" : "024",
-            "id" : "024",
             "data" : [
                [
                   "Perl",
@@ -349,11 +351,12 @@
                   "Blog",
                   11
                ]
-            ]
+            ],
+            "id" : "024"
          },
          {
-            "id" : "023",
             "name" : "023",
+            "id" : "023",
             "data" : [
                [
                   "Perl",
@@ -406,8 +409,8 @@
             ]
          },
          {
-            "id" : "020",
             "name" : "020",
+            "id" : "020",
             "data" : [
                [
                   "Perl",
@@ -438,10 +441,11 @@
                   13
                ]
             ],
-            "name" : "019",
-            "id" : "019"
+            "id" : "019",
+            "name" : "019"
          },
          {
+            "id" : "018",
             "data" : [
                [
                   "Perl",
@@ -456,10 +460,10 @@
                   14
                ]
             ],
-            "name" : "018",
-            "id" : "018"
+            "name" : "018"
          },
          {
+            "id" : "017",
             "data" : [
                [
                   "Perl",
@@ -474,10 +478,10 @@
                   12
                ]
             ],
-            "name" : "017",
-            "id" : "017"
+            "name" : "017"
          },
          {
+            "id" : "016",
             "data" : [
                [
                   "Perl",
@@ -492,12 +496,10 @@
                   13
                ]
             ],
-            "id" : "016",
             "name" : "016"
          },
          {
             "id" : "015",
-            "name" : "015",
             "data" : [
                [
                   "Perl",
@@ -511,9 +513,11 @@
                   "Blog",
                   15
                ]
-            ]
+            ],
+            "name" : "015"
          },
          {
+            "name" : "014",
             "data" : [
                [
                   "Perl",
@@ -528,12 +532,10 @@
                   15
                ]
             ],
-            "id" : "014",
-            "name" : "014"
+            "id" : "014"
          },
          {
             "name" : "013",
-            "id" : "013",
             "data" : [
                [
                   "Perl",
@@ -547,9 +549,11 @@
                   "Blog",
                   13
                ]
-            ]
+            ],
+            "id" : "013"
          },
          {
+            "name" : "012",
             "data" : [
                [
                   "Perl",
@@ -564,11 +568,9 @@
                   11
                ]
             ],
-            "name" : "012",
             "id" : "012"
          },
          {
-            "id" : "011",
             "name" : "011",
             "data" : [
                [
@@ -583,7 +585,8 @@
                   "Blog",
                   10
                ]
-            ]
+            ],
+            "id" : "011"
          },
          {
             "data" : [
@@ -605,7 +608,6 @@
          },
          {
             "name" : "009",
-            "id" : "009",
             "data" : [
                [
                   "Perl",
@@ -619,9 +621,11 @@
                   "Blog",
                   13
                ]
-            ]
+            ],
+            "id" : "009"
          },
          {
+            "id" : "008",
             "data" : [
                [
                   "Perl",
@@ -636,7 +640,6 @@
                   12
                ]
             ],
-            "id" : "008",
             "name" : "008"
          },
          {
@@ -654,12 +657,11 @@
                   10
                ]
             ],
-            "name" : "007",
-            "id" : "007"
+            "id" : "007",
+            "name" : "007"
          },
          {
             "id" : "006",
-            "name" : "006",
             "data" : [
                [
                   "Perl",
@@ -673,11 +675,11 @@
                   "Blog",
                   7
                ]
-            ]
+            ],
+            "name" : "006"
          },
          {
             "id" : "005",
-            "name" : "005",
             "data" : [
                [
                   "Perl",
@@ -691,9 +693,12 @@
                   "Blog",
                   12
                ]
-            ]
+            ],
+            "name" : "005"
          },
          {
+            "name" : "004",
+            "id" : "004",
             "data" : [
                [
                   "Perl",
@@ -707,11 +712,11 @@
                   "Blog",
                   10
                ]
-            ],
-            "name" : "004",
-            "id" : "004"
+            ]
          },
          {
+            "name" : "003",
+            "id" : "003",
             "data" : [
                [
                   "Perl",
@@ -725,13 +730,10 @@
                   "Blog",
                   9
                ]
-            ],
-            "name" : "003",
-            "id" : "003"
+            ]
          },
          {
             "name" : "002",
-            "id" : "002",
             "data" : [
                [
                   "Perl",
@@ -745,9 +747,11 @@
                   "Blog",
                   10
                ]
-            ]
+            ],
+            "id" : "002"
          },
          {
+            "name" : "001",
             "data" : [
                [
                   "Perl",
@@ -762,25 +766,29 @@
                   12
                ]
             ],
-            "name" : "001",
             "id" : "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>"
+   },
    "series" : [
       {
-         "name" : "The Weekly Challenge Languages",
          "colorByPoint" : "true",
+         "name" : "The Weekly Challenge Languages",
          "data" : [
             {
-               "drilldown" : "041",
                "y" : 80,
-               "name" : "041"
+               "name" : "041",
+               "drilldown" : "041"
             },
             {
-               "drilldown" : "040",
+               "y" : 77,
                "name" : "040",
-               "y" : 77
+               "drilldown" : "040"
             },
             {
                "y" : 68,
@@ -788,64 +796,64 @@
                "drilldown" : "039"
             },
             {
-               "y" : 74,
+               "drilldown" : "038",
                "name" : "038",
-               "drilldown" : "038"
+               "y" : 74
             },
             {
-               "drilldown" : "037",
                "y" : 70,
+               "drilldown" : "037",
                "name" : "037"
             },
             {
                "y" : 70,
-               "name" : "036",
-               "drilldown" : "036"
+               "drilldown" : "036",
+               "name" : "036"
             },
             {
-               "drilldown" : "035",
                "y" : 68,
+               "drilldown" : "035",
                "name" : "035"
             },
             {
-               "y" : 70,
                "name" : "034",
-               "drilldown" : "034"
+               "drilldown" : "034",
+               "y" : 70
             },
             {
-               "drilldown" : "033",
+               "y" : 113,
                "name" : "033",
-               "y" : 113
+               "drilldown" : "033"
             },
             {
-               "name" : "032",
                "y" : 97,
+               "name" : "032",
                "drilldown" : "032"
             },
             {
+               "y" : 93,
                "drilldown" : "031",
-               "name" : "031",
-               "y" : 93
+               "name" : "031"
             },
             {
-               "name" : "030",
                "y" : 120,
+               "name" : "030",
                "drilldown" : "030"
             },
             {
-               "drilldown" : "029",
                "y" : 83,
-               "name" : "029"
+               "name" : "029",
+               "drilldown" : "029"
             },
             {
+               "y" : 82,
                "drilldown" : "028",
-               "name" : "028",
-               "y" : 82
+               "name" : "028"
             },
             {
-               "y" : 64,
+               "drilldown" : "027",
                "name" : "027",
-               "drilldown" : "027"
+               "y" : 64
             },
             {
                "y" : 75,
@@ -853,29 +861,29 @@
                "drilldown" : "026"
             },
             {
-               "y" : 62,
+               "drilldown" : "025",
                "name" : "025",
-               "drilldown" : "025"
+               "y" : 62
             },
             {
-               "drilldown" : "024",
                "y" : 77,
+               "drilldown" : "024",
                "name" : "024"
             },
             {
-               "y" : 88,
                "name" : "023",
-               "drilldown" : "023"
+               "drilldown" : "023",
+               "y" : 88
             },
             {
                "y" : 72,
-               "name" : "022",
-               "drilldown" : "022"
+               "drilldown" : "022",
+               "name" : "022"
             },
             {
-               "name" : "021",
                "y" : 72,
-               "drilldown" : "021"
+               "drilldown" : "021",
+               "name" : "021"
             },
             {
                "y" : 100,
@@ -883,109 +891,101 @@
                "drilldown" : "020"
             },
             {
-               "name" : "019",
                "y" : 101,
-               "drilldown" : "019"
+               "drilldown" : "019",
+               "name" : "019"
             },
             {
-               "drilldown" : "018",
                "y" : 82,
+               "drilldown" : "018",
                "name" : "018"
             },
             {
-               "name" : "017",
                "y" : 83,
+               "name" : "017",
                "drilldown" : "017"
             },
             {
-               "name" : "016",
                "y" : 75,
+               "name" : "016",
                "drilldown" : "016"
             },
             {
                "y" : 95,
-               "name" : "015",
-               "drilldown" : "015"
+               "drilldown" : "015",
+               "name" : "015"
             },
             {
-               "name" : "014",
                "y" : 98,
+               "name" : "014",
                "drilldown" : "014"
             },
             {
-               "name" : "013",
                "y" : 85,
-               "drilldown" : "013"
+               "drilldown" : "013",
+               "name" : "013"
             },
             {
-               "y" : 90,
                "name" : "012",
-               "drilldown" : "012"
+               "drilldown" : "012",
+               "y" : 90
             },
             {
-               "drilldown" : "011",
                "y" : 86,
-               "name" : "011"
+               "name" : "011",
+               "drilldown" : "011"
             },
             {
-               "drilldown