- Added solutions by Eric Cheung.

- Added solutions by Mark Anderson.
- Added solutions by W. Luis Mochan.
- Added solutions by E.Choroba.

19 files changed, 2345 insertions, 2203 deletions

diff --git a/challenge-260/eric-cheung/python/ch-1.py b/challenge-260/eric-cheung/python/ch-1.py
new file mode 100755
index 0000000000..d324e8781a
--- /dev/null
+++ b/challenge-260/eric-cheung/python/ch-1.py
@@ -0,0 +1,10 @@
+

+## arrInt = [1, 2, 2, 1, 1, 3]  ## Example 1

+## arrInt = [1, 2, 3]  ## Example 2

+arrInt = [-2, 0, 1, -2, 1, 1, 0, 1, -2, 9]  ## Example 3

+

+arrCount = [arrInt.count(elemLoop) for elemLoop in set(arrInt)]

+

+## print (arrCount)

+

+print (1 if len(arrCount) == len(set(arrCount)) else 0)

diff --git a/challenge-260/eric-cheung/python/ch-2.py b/challenge-260/eric-cheung/python/ch-2.py
new file mode 100755
index 0000000000..17f5aa4003
--- /dev/null
+++ b/challenge-260/eric-cheung/python/ch-2.py
@@ -0,0 +1,12 @@
+

+from itertools import permutations

+

+strWord = "CAT"  ## Example 1

+## strWord = "GOOGLE"  ## Example 2

+## strWord = "SECRET"  ## Example 3

+

+arrPermList = permutations(list(strWord))

+

+arrPermStrList = sorted(list(set(["".join(arrLoop) for arrLoop in list(arrPermList)])))

+

+print (arrPermStrList.index(strWord) + 1)

diff --git a/stats/pwc-challenge-259.json b/stats/pwc-challenge-259.json
new file mode 100644
index 0000000000..f9ae9b5bae
--- /dev/null
+++ b/stats/pwc-challenge-259.json
@@ -0,0 +1,555 @@
+{
+   "series" : [
+      {
+         "name" : "The Weekly Challenge - 259",
+         "data" : [
+            {
+               "y" : 3,
+               "drilldown" : "Adam Russell",
+               "name" : "Adam Russell"
+            },
+            {
+               "y" : 3,
+               "drilldown" : "Arne Sommer",
+               "name" : "Arne Sommer"
+            },
+            {
+               "name" : "Athanasius",
+               "drilldown" : "Athanasius",
+               "y" : 3
+            },
+            {
+               "name" : "BarrOff",
+               "drilldown" : "BarrOff",
+               "y" : 1
+            },
+            {
+               "y" : 3,
+               "drilldown" : "Bob Lied",
+               "name" : "Bob Lied"
+            },
+            {
+               "name" : "Bruce Gray",
+               "drilldown" : "Bruce Gray",
+               "y" : 2
+            },
+            {
+               "y" : 2,
+               "name" : "Cheok-Yin Fung",
+               "drilldown" : "Cheok-Yin Fung"
+            },
+            {
+               "y" : 3,
+               "drilldown" : "Dave Jacoby",
+               "name" : "Dave Jacoby"
+            },
+            {
+               "name" : "David Ferrone",
+               "drilldown" : "David Ferrone",
+               "y" : 2
+            },
+            {
+               "name" : "E. Choroba",
+               "drilldown" : "E. Choroba",
+               "y" : 2
+            },
+            {
+               "drilldown" : "Feng Chang",
+               "name" : "Feng Chang",
+               "y" : 2
+            },
+            {
+               "name" : "Jan Krnavek",
+               "drilldown" : "Jan Krnavek",
+               "y" : 2
+            },
+            {
+               "drilldown" : "Jorg Sommrey",
+               "name" : "Jorg Sommrey",
+               "y" : 3
+            },
+            {
+               "name" : "Lubos Kolouch",
+               "drilldown" : "Lubos Kolouch",
+               "y" : 4
+            },
+            {
+               "name" : "Luca Ferrari",
+               "drilldown" : "Luca Ferrari",
+               "y" : 11
+            },
+            {
+               "drilldown" : "Mariano Spadaccini",
+               "name" : "Mariano Spadaccini",
+               "y" : 1
+            },
+            {
+               "drilldown" : "Mark Anderson",
+               "name" : "Mark Anderson",
+               "y" : 1
+            },
+            {
+               "drilldown" : "Matthew Neleigh",
+               "name" : "Matthew Neleigh",
+               "y" : 1
+            },
+            {
+               "y" : 3,
+               "drilldown" : "Matthias Muth",
+               "name" : "Matthias Muth"
+            },
+            {
+               "name" : "Nelo Tovar",
+               "drilldown" : "Nelo Tovar",
+               "y" : 2
+            },
+            {
+               "y" : 5,
+               "name" : "Packy Anderson",
+               "drilldown" : "Packy Anderson"
+            },
+            {
+               "y" : 3,
+               "drilldown" : "Peter Campbell Smith",
+               "name" : "Peter Campbell Smith"
+            },
+            {
+               "y" : 2,
+               "drilldown" : "Peter Meszaros",
+               "name" : "Peter Meszaros"
+            },
+            {
+               "y" : 3,
+               "name" : "Roger Bell_West",
+               "drilldown" : "Roger Bell_West"
+            },
+            {
+               "drilldown" : "Ryan Thompson",
+               "name" : "Ryan Thompson",
+               "y" : 3
+            },
+            {
+               "name" : "Thomas Kohler",
+               "drilldown" : "Thomas Kohler",
+               "y" : 4
+            },
+            {
+               "y" : 3,
+               "drilldown" : "Ulrich Rieke",
+               "name" : "Ulrich Rieke"
+            },
+            {
+               "name" : "W. Luis Mochan",
+               "drilldown" : "W. Luis Mochan",
+               "y" : 3
+            },
+            {
+               "name" : "Wanderdoc",
+               "drilldown" : "Wanderdoc",
+               "y" : 2
+            }
+         ],
+         "colorByPoint" : 1
+      }
+   ],
+   "tooltip" : {
+      "followPointer" : 1,
+      "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/>"
+   },
+   "chart" : {
+      "type" : "column"
+   },
+   "legend" : {
+      "enabled" : 0
+   },
+   "subtitle" : {
+      "text" : "[Champions: 29] Last updated at 2024-03-11 11:13:14 GMT"
+   },
+   "title" : {
+      "text" : "The Weekly Challenge - 259"
+   },
+   "plotOptions" : {
+      "series" : {
+         "borderWidth" : 0,
+         "dataLabels" : {
+            "format" : "{point.y}",
+            "enabled" : 1
+         }
+      }
+   },
+   "drilldown" : {
+      "series" : [
+         {
+            "name" : "Adam Russell",
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Blog",
+                  1
+               ]
+            ],
+            "id" : "Adam Russell"
+         },
+         {
+            "name" : "Arne Sommer",
+            "data" : [
+               [
+                  "Raku",
+                  2
+               ],
+               [
+                  "Blog",
+                  1
+               ]
+            ],
+            "id" : "Arne Sommer"
+         },
+         {
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Raku",
+                  1
+               ]
+            ],
+            "id" : "Athanasius",
+            "name" : "Athanasius"
+         },
+         {
+            "data" : [
+               [
+                  "Raku",
+                  1
+               ]
+            ],
+            "id" : "BarrOff",
+            "name" : "BarrOff"
+         },
+         {
+            "name" : "Bob Lied",
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Blog",
+                  1
+               ]
+            ],
+            "id" : "Bob Lied"
+         },
+         {
+            "name" : "Bruce Gray",
+            "data" : [
+               [
+                  "Raku",
+                  2
+               ]
+            ],
+            "id" : "Bruce Gray"
+         },
+         {
+            "id" : "Cheok-Yin Fung",
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ]
+            ],
+            "name" : "Cheok-Yin Fung"
+         },
+         {
+            "name" : "Dave Jacoby",
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Blog",
+                  1
+               ]
+            ],
+            "id" : "Dave Jacoby"
+         },
+         {
+            "name" : "David Ferrone",
+            "id" : "David Ferrone",
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ]
+            ]
+         },
+         {
+            "id" : "E. Choroba",
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ]
+            ],
+            "name" : "E. Choroba"
+         },
+         {
+            "name" : "Feng Chang",
+            "data" : [
+               [
+                  "Raku",
+                  2
+               ]
+            ],
+            "id" : "Feng Chang"
+         },
+         {
+            "id" : "Jan Krnavek",
+            "data" : [
+               [
+                  "Raku",
+                  2
+               ]
+            ],
+            "name" : "Jan Krnavek"
+         },
+         {
+            "id" : "Jorg Sommrey",
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Blog",
+                  1
+               ]
+            ],
+            "name" : "Jorg Sommrey"
+         },
+         {
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Raku",
+                  2
+               ]
+            ],
+            "id" : "Lubos Kolouch",
+            "name" : "Lubos Kolouch"
+         },
+         {
+            "id" : "Luca Ferrari",
+            "data" : [
+               [
+                  "Raku",
+                  2
+               ],
+               [
+                  "Blog",
+                  9
+               ]
+            ],
+            "name" : "Luca Ferrari"
+         },
+         {
+            "id" : "Mariano Spadaccini",
+            "data" : [
+               [
+                  "Perl",
+                  1
+               ]
+            ],
+            "name" : "Mariano Spadaccini"
+         },
+         {
+            "data" : [
+               [
+                  "Raku",
+                  1
+               ]
+            ],
+            "id" : "Mark Anderson",
+            "name" : "Mark Anderson"
+         },
+         {
+            "data" : [
+               [
+                  "Perl",
+                  1
+               ]
+            ],
+            "id" : "Matthew Neleigh",
+            "name" : "Matthew Neleigh"
+         },
+         {
+            "id" : "Matthias Muth",
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Blog",
+                  1
+               ]
+            ],
+            "name" : "Matthias Muth"
+         },
+         {
+            "id" : "Nelo Tovar",
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ]
+            ],
+            "name" : "Nelo Tovar"
+         },
+         {
+            "name" : "Packy Anderson",
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Raku",
+                  2
+               ],
+               [
+                  "Blog",
+                  1
+               ]
+            ],
+            "id" : "Packy Anderson"
+         },
+         {
+            "id" : "Peter Campbell Smith",
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Blog",
+                  1
+               ]
+            ],
+            "name" : "Peter Campbell Smith"
+         },
+         {
+            "name" : "Peter Meszaros",
+            "id" : "Peter Meszaros",
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ]
+            ]
+         },
+         {
+            "data" : [
+               [
+                  "Perl",
+                  1
+               ],
+               [
+                  "Raku",
+                  1
+               ],
+               [
+                  "Blog",
+                  1
+               ]
+            ],
+            "id" : "Roger Bell_West",
+            "name" : "Roger Bell_West"
+         },
+         {
+            "id" : "Ryan Thompson",
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Blog",
+                  1
+               ]
+            ],
+            "name" : "Ryan Thompson"
+         },
+         {
+            "name" : "Thomas Kohler",
+            "id" : "Thomas Kohler",
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Blog",
+                  2
+               ]
+            ]
+         },
+         {
+            "name" : "Ulrich Rieke",
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Raku",
+                  1
+               ]
+            ],
+            "id" : "Ulrich Rieke"
+         },
+         {
+            "id" : "W. Luis Mochan",
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Blog",
+                  1
+               ]
+            ],
+            "name" : "W. Luis Mochan"
+         },
+         {
+            "name" : "Wanderdoc",
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ]
+            ],
+            "id" : "Wanderdoc"
+         }
+      ]
+   },
+   "yAxis" : {
+      "title" : {
+         "text" : "Total Solutions"
+      }
+   },
+   "xAxis" : {
+      "type" : "category"
+   }
+}
diff --git a/stats/pwc-current.json b/stats/pwc-current.json
index 8e93f1b730..01740b6b1f 100644
--- a/stats/pwc-current.json
+++ b/stats/pwc-current.json
@@ -1,373 +1,32 @@
 {
-   "plotOptions" : {
-      "series" : {
-         "dataLabels" : {
-            "enabled" : 1,
-            "format" : "{point.y}"
-         },
-         "borderWidth" : 0
-      }
-   },
-   "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: 29] Last updated at 2024-03-11 02:29:21 GMT"
-   },
-   "title" : {
-      "text" : "The Weekly Challenge - 259"
-   },
-   "xAxis" : {
-      "type" : "category"
-   },
-   "chart" : {
-      "type" : "column"
+      "text" : "[Champions: 3] Last updated at 2024-03-11 11:17:47 GMT"
    },
    "drilldown" : {
       "series" : [
          {
-            "id" : "Adam Russell",
-            "name" : "Adam Russell",
-            "data" : [
-               [
-                  "Perl",
-                  2
-               ],
-               [
-                  "Blog",
-                  1
-               ]
-            ]
-         },
-         {
-            "id" : "Arne Sommer",
-            "name" : "Arne Sommer",
-            "data" : [
-               [
-                  "Raku",
-                  2
-               ],
-               [
-                  "Blog",
-                  1
-               ]
-            ]
-         },
-         {
-            "data" : [
-               [
-                  "Perl",
-                  2
-               ],
-               [
-                  "Raku",
-                  1
-               ]
-            ],
-            "name" : "Athanasius",
-            "id" : "Athanasius"
-         },
-         {
-            "data" : [
-               [
-                  "Raku",
-                  1
-               ]
-            ],
-            "id" : "BarrOff",
-            "name" : "BarrOff"
-         },
-         {
-            "id" : "Bob Lied",
-            "name" : "Bob Lied",
-            "data" : [
-               [
-                  "Perl",
-                  2
-               ],
-               [
-                  "Blog",
-                  1
-               ]
-            ]
-         },
-         {
-            "data" : [
-               [
-                  "Raku",
-                  2
-               ]
-            ],
-            "name" : "Bruce Gray",
-            "id" : "Bruce Gray"
-         },
-         {
             "data" : [
                [
                   "Perl",
                   2
                ]
             ],
-            "name" : "Cheok-Yin Fung",
-            "id" : "Cheok-Yin Fung"
-         },
-         {
-            "name" : "Dave Jacoby",
-            "id" : "Dave Jacoby",
-            "data" : [
-               [
-                  "Perl",
-                  2
-               ],
-               [
-                  "Blog",
-                  1
-               ]
-            ]
-         },
-         {
-            "data" : [
-               [
-                  "Perl",
-                  2
-               ]
-            ],
-            "id" : "David Ferrone",
-            "name" : "David Ferrone"
-         },
-         {
-            "name" : "E. Choroba",
             "id" : "E. Choroba",
-            "data" : [
-               [
-                  "Perl",
-                  2
-               ]
-            ]
-         },
-         {
-            "name" : "Feng Chang",
-            "id" : "Feng Chang",
-            "data" : [
-               [
-                  "Raku",
-                  2
-               ]
-            ]
-         },
-         {
-            "data" : [
-               [
-                  "Raku",
-                  2
-               ]
-            ],
-            "name" : "Jan Krnavek",
-            "id" : "Jan Krnavek"
+            "name" : "E. Choroba"
          },
          {
             "data" : [
                [
-                  "Perl",
-                  2
-               ],
-               [
-                  "Blog",
-                  1
-               ]
-            ],
-            "name" : "Jorg Sommrey",
-            "id" : "Jorg Sommrey"
-         },
-         {
-            "data" : [
-               [
-                  "Perl",
-                  2
-               ],
-               [
                   "Raku",
                   2
                ]
             ],
-            "id" : "Lubos Kolouch",
-            "name" : "Lubos Kolouch"
+            "name" : "Mark Anderson",
+            "id" : "Mark Anderson"
          },
          {
-            "data" : [
-               [
-                  "Raku",
-                  2
-               ],
-               [
-                  "Blog",
-                  9
-               ]
-            ],
-            "id" : "Luca Ferrari",
-            "name" : "Luca Ferrari"
-         },
-         {
-            "data" : [
-               [
-                  "Perl",
-                  1
-               ]
-            ],
-            "name" : "Mariano Spadaccini",
-            "id" : "Mariano Spadaccini"
-         },
-         {
-            "data" : [
-               [
-                  "Raku",
-                  1
-               ]
-            ],
-            "id" : "Mark Anderson",
-            "name" : "Mark Anderson"
-         },
-         {
-            "data" : [
-               [
-                  "Perl",
-                  1
-               ]
-            ],
-            "id" : "Matthew Neleigh",
-            "name" : "Matthew Neleigh"
-         },
-         {
-            "name" : "Matthias Muth",
-            "id" : "Matthias Muth",
-            "data" : [
-               [
-                  "Perl",
-                  2
-               ],
-               [
-                  "Blog",
-                  1
-               ]
-            ]
-         },
-         {
-            "data" : [
-               [
-                  "Perl",
-                  2
-               ]
-            ],
-            "name" : "Nelo Tovar",
-            "id" : "Nelo Tovar"
-         },
-         {
-            "name" : "Packy Anderson",
-            "id" : "Packy Anderson",
-            "data" : [
-               [
-                  "Perl",
-                  2
-               ],
-               [
-                  "Raku",
-                  2
-               ],
-               [
-                  "Blog",
-                  1
-               ]
-            ]
-         },
-         {
-            "id" : "Peter Campbell Smith",
-            "name" : "Peter Campbell Smith",
-            "data" : [
-               [
-                  "Perl",
-                  2
-               ],
-               [
-                  "Blog",
-                  1
-               ]
-            ]
-         },
-         {
-            "id" : "Peter Meszaros",
-            "name" : "Peter Meszaros",
-            "data" : [
-               [
-                  "Perl",
-                  2
-               ]
-            ]
-         },
-         {
-            "name" : "Roger Bell_West",
-            "id" : "Roger Bell_West",
-            "data" : [
-               [
-                  "Perl",
-                  1
-               ],
-               [
-                  "Raku",
-                  1
-               ],
-               [
-                  "Blog",
-                  1
-               ]
-            ]
-         },
-         {
-            "data" : [
-               [
-                  "Perl",
-                  2
-               ],
-               [
-                  "Blog",
-                  1
-               ]
-            ],
-            "id" : "Ryan Thompson",
-            "name" : "Ryan Thompson"
-         },
-         {
-            "id" : "Thomas Kohler",
-            "name" : "Thomas Kohler",
-            "data" : [
-               [
-                  "Perl",
-                  2
-               ],
-               [
-                  "Blog",
-                  2
-               ]
-            ]
-         },
-         {
-            "data" : [
-               [
-                  "Perl",
-                  2
-               ],
-               [
-                  "Raku",
-                  1
-               ]
-            ],
-            "name" : "Ulrich Rieke",
-            "id" : "Ulrich Rieke"
-         },
-         {
-            "id" : "W. Luis Mochan",
             "name" : "W. Luis Mochan",
+            "id" : "W. Luis Mochan",
             "data" : [
                [
                   "Perl",
@@ -378,19 +37,30 @@
                   1
                ]
             ]
-         },
-         {
-            "id" : "Wanderdoc",
-            "name" : "Wanderdoc",
-            "data" : [
-               [
-                  "Perl",
-                  2
-               ]
-            ]
          }
       ]
    },
+   "title" : {
+      "text" : "The Weekly Challenge - 260"
+   },
+   "plotOptions" : {
+      "series" : {
+         "dataLabels" : {
+            "enabled" : 1,
+            "format" : "{point.y}"
+         },
+         "borderWidth" : 0
+      }
+   },
+   "legend" : {
+      "enabled" : 0
+   },
+   "chart" : {
+      "type" : "column"
+   },
+   "xAxis" : {
+      "type" : "category"
+   },
    "yAxis" : {
       "title" : {
          "text" : "Total Solutions"
@@ -400,156 +70,28 @@
       {
          "data" : [
             {
-               "drilldown" : "Adam Russell",
-               "y" : 3,
-               "name" : "Adam Russell"
-            },
-            {
-               "name" : "Arne Sommer",
-               "y" : 3,
-               "drilldown" : "Arne Sommer"
-            },
-            {
-               "drilldown" : "Athanasius",
-               "name" : "Athanasius",
-               "y" : 3
-            },
-            {
-               "name" : "BarrOff",
-               "y" : 1,
-               "drilldown" : "BarrOff"
-            },
-            {
-               "name" : "Bob Lied",
-               "y" : 3,
-               "drilldown" : "Bob Lied"
-            },
-            {
-               "y" : 2,
-               "name" : "Bruce Gray",
-               "drilldown" : "Bruce Gray"
-            },
-            {
                "y" : 2,
-               "name" : "Cheok-Yin Fung",
-               "drilldown" : "Cheok-Yin Fung"
+               "drilldown" : "E. Choroba",
+               "name" : "E. Choroba"
             },
             {
-               "name" : "Dave Jacoby",
-               "y" : 3,
-               "drilldown" : "Dave Jacoby"
-            },
-            {
-               "drilldown" : "David Ferrone",
-               "y" : 2,
-               "name" : "David Ferrone"
-            },
-            {
-               "y" : 2,
-               "name" : "E. Choroba",
-               "drilldown" : "E. Choroba"
-            },
-            {
-               "drilldown" : "Feng Chang",
-               "name" : "Feng Chang",
-               "y" : 2
-            },
-            {
-               "y" : 2,
-               "name" : "Jan Krnavek",
-               "drilldown" : "Jan Krnavek"
-            },
-            {
-               "y" : 3,
-               "name" : "Jorg Sommrey",
-               "drilldown" : "Jorg Sommrey"
-            },
-            {
-               "y" : 4,
-               "name" : "Lubos Kolouch",
-               "drilldo