- Added solutions by Eric Cheung.

- Added solutions by Ulrich Rieke.
- Added solutions by Feng Chang.
- Added solutions by PokGoPun.
- Added solutions by Bob Lied.
- Added solutions by Niels van Dijke.
- Added solutions by Conor Hoekstra.
- Added solutions by David Ferrone.
- Added solutions by W. Luis Mochan.
- Added solutions by Jan Krnavek.
- Added solutions by Wanderdoc.
- Added solutions by Mark Anderson.
- Added solutions by Peter Campbell Smith.
- Added solutions by E. Choroba.
- Added solutions by Vinod Kumar K.
- Added solutions by Steven Wilson.
- Added solutions by Roger Bell_West.

24 files changed, 3400 insertions, 3103 deletions

diff --git a/stats/pwc-challenge-317.json b/stats/pwc-challenge-317.json
new file mode 100644
index 0000000000..e7504adde8
--- /dev/null
+++ b/stats/pwc-challenge-317.json
@@ -0,0 +1,600 @@
+{
+   "xAxis" : {
+      "type" : "category"
+   },
+   "drilldown" : {
+      "series" : [
+         {
+            "name" : "Adam Russell",
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Blog",
+                  2
+               ]
+            ],
+            "id" : "Adam Russell"
+         },
+         {
+            "name" : "Ali Moradi",
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Blog",
+                  1
+               ]
+            ],
+            "id" : "Ali Moradi"
+         },
+         {
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ]
+            ],
+            "name" : "Andreas Mahnke",
+            "id" : "Andreas Mahnke"
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+            "data" : [
+               [
+                  "Raku",
+                  2
+               ],
+               [
+                  "Blog",
+                  1
+               ]
+            ],
+            "id" : "Arne Sommer"
+         },
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+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
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+                  2
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+                  1
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+            "id" : "BarrOff"
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+                  "Perl",
+                  2
+               ]
+            ],
+            "id" : "Bob Lied"
+         },
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+               [
+                  "Blog",
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+         },
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+            "data" : [
+               [
+                  "Perl",
+                  2
+               ]
+            ],
+            "name" : "David Ferrone"
+         },
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+            "id" : "Jaldhar H. Vyas"
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+                  "Raku",
+                  2
+               ]
+            ],
+            "name" : "Jan Krnavek",
+            "id" : "Jan Krnavek"
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+         {
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+                  "Perl",
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+                  "Perl",
+                  2
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+            "id" : "Kjetil Skotheim"
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+            "data" : [
+               [
+                  "Perl",
+                  2
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+                  "Raku",
+                  2
+               ],
+               [
+                  "Blog",
+                  2
+               ]
+            ],
+            "id" : "Luca Ferrari"
+         },
+         {
+            "id" : "Mark Anderson",
+            "data" : [
+               [
+                  "Raku",
+                  2
+               ]
+            ],
+            "name" : "Mark Anderson"
+         },
+         {
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Blog",
+                  1
+               ]
+            ],
+            "name" : "Matthias Muth",
+            "id" : "Matthias Muth"
+         },
+         {
+            "id" : "Niels van Dijke",
+            "name" : "Niels van Dijke",
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ]
+            ]
+         },
+         {
+            "id" : "Peter Campbell Smith",
+            "name" : "Peter Campbell Smith",
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Blog",
+                  1
+               ]
+            ]
+         },
+         {
+            "id" : "Peter Meszaros",
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ]
+            ],
+            "name" : "Peter Meszaros"
+         },
+         {
+            "id" : "Robbie Hatley",
+            "name" : "Robbie Hatley",
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Blog",
+                  1
+               ]
+            ]
+         },
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+            "name" : "Robert Ransbottom",
+            "data" : [
+               [
+                  "Raku",
+                  2
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+            ]
+         },
+         {
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+            "data" : [
+               [
+                  "Perl",
+                  2
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+               [
+                  "Raku",
+                  2
+               ],
+               [
+                  "Blog",
+                  1
+               ]
+            ],
+            "id" : "Roger Bell_West"
+         },
+         {
+            "id" : "Simon Green",
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Blog",
+                  1
+               ]
+            ],
+            "name" : "Simon Green"
+         },
+         {
+            "id" : "Steve Hart",
+            "name" : "Steve Hart",
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ]
+            ]
+         },
+         {
+            "name" : "Steven Wilson",
+            "data" : [
+               [
+                  "Perl",
+                  1
+               ]
+            ],
+            "id" : "Steven Wilson"
+         },
+         {
+            "id" : "Thomas Kohler",
+            "name" : "Thomas Kohler",
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Blog",
+                  2
+               ]
+            ]
+         },
+         {
+            "name" : "Ulrich Rieke",
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Raku",
+                  2
+               ]
+            ],
+            "id" : "Ulrich Rieke"
+         },
+         {
+            "id" : "W. Luis Mochan",
+            "name" : "W. Luis Mochan",
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Blog",
+                  1
+               ]
+            ]
+         },
+         {
+            "name" : "Wanderdoc",
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ]
+            ],
+            "id" : "Wanderdoc"
+         }
+      ]
+   },
+   "yAxis" : {
+      "title" : {
+         "text" : "Total Solutions"
+      }
+   },
+   "plotOptions" : {
+      "series" : {
+         "borderWidth" : 0,
+         "dataLabels" : {
+            "enabled" : 1,
+            "format" : "{point.y}"
+         }
+      }
+   },
+   "chart" : {
+      "type" : "column"
+   },
+   "title" : {
+      "text" : "The Weekly Challenge - 317"
+   },
+   "tooltip" : {
+      "pointFormat" : "<span style='color:{point.color}'>{point.name}</span>: <b>{point.y:f}</b><br/>",
+      "headerFormat" : "<span style='font-size:11px'>{series.name}</span><br/>",
+      "followPointer" : 1
+   },
+   "subtitle" : {
+      "text" : "[Champions: 32] Last updated at 2025-04-22 15:52:00 GMT"
+   },
+   "legend" : {
+      "enabled" : 0
+   },
+   "series" : [
+      {
+         "name" : "The Weekly Challenge - 317",
+         "data" : [
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+               "drilldown" : "Adam Russell",
+               "name" : "Adam Russell"
+            },
+            {
+               "y" : 3,
+               "drilldown" : "Ali Moradi",
+               "name" : "Ali Moradi"
+            },
+            {
+               "drilldown" : "Andreas Mahnke",
+               "y" : 2,
+               "name" : "Andreas Mahnke"
+            },
+            {
+               "name" : "Arne Sommer",
+               "drilldown" : "Arne Sommer",
+               "y" : 3
+            },
+            {
+               "name" : "Athanasius",
+               "drilldown" : "Athanasius",
+               "y" : 4
+            },
+            {
+               "name" : "BarrOff",
+               "drilldown" : "BarrOff",
+               "y" : 1
+            },
+            {
+               "name" : "Bob Lied",
+               "y" : 2,
+               "drilldown" : "Bob Lied"
+            },
+            {
+               "drilldown" : "Dave Jacoby",
+               "y" : 3,
+               "name" : "Dave Jacoby"
+            },
+            {
+               "drilldown" : "David Ferrone",
+               "y" : 2,
+               "name" : "David Ferrone"
+            },
+            {
+               "name" : "E. Choroba",
+               "y" : 2,
+               "drilldown" : "E. Choroba"
+            },
+            {
+               "name" : "Feng Chang",
+               "y" : 2,
+               "drilldown" : "Feng Chang"
+            },
+            {
+               "name" : "Jaldhar H. Vyas",
+               "drilldown" : "Jaldhar H. Vyas",
+               "y" : 5
+            },
+            {
+               "name" : "Jan Krnavek",
+               "drilldown" : "Jan Krnavek",
+               "y" : 2
+            },
+            {
+               "y" : 3,
+               "drilldown" : "Jorg Sommrey",
+               "name" : "Jorg Sommrey"
+            },
+            {
+               "name" : "Kjetil Skotheim",
+               "drilldown" : "Kjetil Skotheim",
+               "y" : 2
+            },
+            {
+               "drilldown" : "Lubos Kolouch",
+               "y" : 2,
+               "name" : "Lubos Kolouch"
+            },
+            {
+               "name" : "Luca Ferrari",
+               "drilldown" : "Luca Ferrari",
+               "y" : 4
+            },
+            {
+               "name" : "Mark Anderson",
+               "y" : 2,
+               "drilldown" : "Mark Anderson"
+            },
+            {
+               "name" : "Matthias Muth",
+               "drilldown" : "Matthias Muth",
+               "y" : 3
+            },
+            {
+               "y" : 2,
+               "drilldown" : "Niels van Dijke",
+               "name" : "Niels van Dijke"
+            },
+            {
+               "name" : "Peter Campbell Smith",
+               "drilldown" : "Peter Campbell Smith",
+               "y" : 3
+            },
+            {
+               "drilldown" : "Peter Meszaros",
+               "y" : 2,
+               "name" : "Peter Meszaros"
+            },
+            {
+               "drilldown" : "Robbie Hatley",
+               "y" : 3,
+               "name" : "Robbie Hatley"
+            },
+            {
+               "name" : "Robert Ransbottom",
+               "y" : 2,
+               "drilldown" : "Robert Ransbottom"
+            },
+            {
+               "y" : 5,
+               "drilldown" : "Roger Bell_West",
+               "name" : "Roger Bell_West"
+            },
+            {
+               "name" : "Simon Green",
+               "drilldown" : "Simon Green",
+               "y" : 3
+            },
+            {
+               "name" : "Steve Hart",
+               "drilldown" : "Steve Hart",
+               "y" : 2
+            },
+            {
+               "name" : "Steven Wilson",
+               "y" : 1,
+               "drilldown" : "Steven Wilson"
+            },
+            {
+               "drilldown" : "Thomas Kohler",
+               "y" : 4,
+               "name" : "Thomas Kohler"
+            },
+            {
+               "name" : "Ulrich Rieke",
+               "drilldown" : "Ulrich Rieke",
+               "y" : 4
+            },
+            {
+               "drilldown" : "W. Luis Mochan",
+               "y" : 3,
+               "name" : "W. Luis Mochan"
+            },
+            {
+               "drilldown" : "Wanderdoc",
+               "y" : 2,
+               "name" : "Wanderdoc"
+            }
+         ],
+         "colorByPoint" : 1
+      }
+   ]
+}
diff --git a/stats/pwc-current.json b/stats/pwc-current.json
index 3a7ef0950f..3da845f026 100644
--- a/stats/pwc-current.json
+++ b/stats/pwc-current.json
@@ -1,286 +1,51 @@
 {
+   "title" : {
+      "text" : "The Weekly Challenge - 318"
+   },
+   "chart" : {
+      "type" : "column"
+   },
+   "plotOptions" : {
+      "series" : {
+         "dataLabels" : {
+            "enabled" : 1,
+            "format" : "{point.y}"
+         },
+         "borderWidth" : 0
+      }
+   },
+   "legend" : {
+      "enabled" : 0
+   },
    "xAxis" : {
       "type" : "category"
    },
-   "series" : [
-      {
-         "data" : [
-            {
-               "y" : 4,
-               "name" : "Adam Russell",
-               "drilldown" : "Adam Russell"
-            },
-            {
-               "y" : 3,
-               "drilldown" : "Ali Moradi",
-               "name" : "Ali Moradi"
-            },
-            {
-               "y" : 2,
-               "drilldown" : "Andreas Mahnke",
-               "name" : "Andreas Mahnke"
-            },
-            {
-               "drilldown" : "Arne Sommer",
-               "name" : "Arne Sommer",
-               "y" : 3
-            },
-            {
-               "drilldown" : "Athanasius",
-               "name" : "Athanasius",
-               "y" : 4
-            },
-            {
-               "y" : 1,
-               "drilldown" : "BarrOff",
-               "name" : "BarrOff"
-            },
-            {
-               "y" : 2,
-               "name" : "Bob Lied",
-               "drilldown" : "Bob Lied"
-            },
-            {
-               "y" : 3,
-               "drilldown" : "Dave Jacoby",
-               "name" : "Dave Jacoby"
-            },
-            {
-               "y" : 2,
-               "drilldown" : "David Ferrone",
-               "name" : "David Ferrone"
-            },
-            {
-               "y" : 2,
-               "drilldown" : "E. Choroba",
-               "name" : "E. Choroba"
-            },
-            {
-               "y" : 2,
-               "drilldown" : "Feng Chang",
-               "name" : "Feng Chang"
-            },
-            {
-               "drilldown" : "Jaldhar H. Vyas",
-               "name" : "Jaldhar H. Vyas",
-               "y" : 5
-            },
-            {
-               "drilldown" : "Jan Krnavek",
-               "name" : "Jan Krnavek",
-               "y" : 2
-            },
-            {
-               "y" : 3,
-               "name" : "Jorg Sommrey",
-               "drilldown" : "Jorg Sommrey"
-            },
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-               "y" : 2,
-               "name" : "Kjetil Skotheim",
-               "drilldown" : "Kjetil Skotheim"
-            },
-            {
-               "drilldown" : "Lubos Kolouch",
-               "name" : "Lubos Kolouch",
-               "y" : 2
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-               "drilldown" : "Luca Ferrari",
-               "name" : "Luca Ferrari",
-               "y" : 4
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-               "drilldown" : "Mark Anderson",
-               "y" : 2
-            },
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-               "y" : 3,
-               "name" : "Matthias Muth",
-               "drilldown" : "Matthias Muth"
-            },
-            {
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-               "drilldown" : "Niels van Dijke",
-               "name" : "Niels van Dijke"
-            },
-            {
-               "name" : "Peter Campbell Smith",
-               "drilldown" : "Peter Campbell Smith",
-               "y" : 3
-            },
-            {
-               "drilldown" : "Peter Meszaros",
-               "name" : "Peter Meszaros",
-               "y" : 2
-            },
-            {
-               "drilldown" : "Robbie Hatley",
-               "name" : "Robbie Hatley",
-               "y" : 3
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-            {
-               "y" : 2,
-               "name" : "Robert Ransbottom",
-               "drilldown" : "Robert Ransbottom"
-            },
-            {
-               "y" : 5,
-               "drilldown" : "Roger Bell_West",
-               "name" : "Roger Bell_West"
-            },
-            {
-               "y" : 3,
-               "name" : "Simon Green",
-               "drilldown" : "Simon Green"
-            },
-            {
-               "y" : 2,
-               "drilldown" : "Steve Hart",
-               "name" : "Steve Hart"
-            },
-            {
-               "name" : "Thomas Kohler",
-               "drilldown" : "Thomas Kohler",
-               "y" : 4
-            },
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-               "drilldown" : "Ulrich Rieke",
-               "name" : "Ulrich Rieke",
-               "y" : 4
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-               "drilldown" : "W. Luis Mochan",
-               "y" : 3
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-               "name" : "Wanderdoc",
-               "drilldown" : "Wanderdoc"
-            }
-         ],
-         "colorByPoint" : 1,
-         "name" : "The Weekly Challenge - 317"
-      }
-   ],
    "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/>"
+      "followPointer" : 1
    },
    "drilldown" : {
       "series" : [
          {
+            "name" : "Bob Lied",
             "data" : [
                [
                   "Perl",
                   2
-               ],
-               [
-                  "Blog",
-                  2
                ]
             ],
-            "id" : "Adam Russell",
-            "name" : "Adam Russell"
+            "id" : "Bob Lied"
          },
          {
-            "name" : "Ali Moradi",
-            "id" : "Ali Moradi",
             "data" : [
                [
                   "Perl",
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-            "name" : "Arne Sommer"
-         },
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-            "data" : [
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-               [
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-            "id" : "BarrOff",
-            "name" : "BarrOff"
-         },
-         {
-            "data" : [
-               [
-                  "Perl",
-                  2
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-            ],
-            "id" : "Bob Lied",
-            "name" : "Bob Lied"
-         },
-         {
-            "data" : [
-               [
-                  "Perl",
-                  2
-               ],
-               [
-                  "Blog",
-                  1
-               ]
-            ],
-            "id" : "Dave Jacoby",
-            "name" : "Dave Jacoby"
-         },
-         {
-            "name" : "David Ferrone",
-            "data" : [
-               [
-                  "Perl",
-                  2
-               ]
-            ],
-            "id" : "David Ferrone"
+            "id" : "David Ferrone",
+            "name" : "David Ferrone"
          },
          {
             "data" : [
@@ -294,149 +59,46 @@
          },
          {
             "name" : "Feng Chang",
+            "id" : "Feng Chang",
             "data" : [
                [
                   "Raku",
                   2
                ]
-            ],
-            "id" : "Feng Chang"
-         },
-         {
-            "id" : "Jaldhar H. Vyas",
-            "data" : [
-               [
-                  "Perl",
-                  2
-               ],
-               [
-                  "Raku",
-                  2
-               ],
-               [
-                  "Blog",
-                  1
-               ]
-            ],
-            "name" : "Jaldhar H. Vyas"
+            ]
          },
          {
             "name" : "Jan Krnavek",
+            "id" : "Jan Krnavek",
             "data" : [
                [
                   "Raku",
                   2
                ]
-            ],
-            "id" : "Jan Krnavek"
-         },
-         {
-            "name" : "Jorg Sommrey",
-            "id" : "Jorg Sommrey",
-            "data" : [
-               [
-                  "Perl",
-                  2
-               ],
-               [
-                  "Blog",
-                  1
-               ]
-            ]
-         },
-         {
-            "name" : "Kjetil Skotheim",
-            "id" : "Kjetil Skotheim",
-            "data" : [
-               [
-                  "Perl",
-                  2
-               ]
             ]
          },
          {
-            "name" : "Lubos Kolouch",
-            "id" : "Lubos Kolouch",
-            "data" : [
-               [
-                  "Perl",
-                  2
-               ]
-            ]
-         },
-         {
-            "id" : "Luca Ferrari",
-            "data" : [
-               [
-                  "Raku",
-                  2
-               ],
-               [
-                  "Blog",
-                  2
-               ]
-            ],
-            "name" : "Luca Ferrari"
-         },
-         {
-            "id" : "Mark Anderson",