- Added solutions by Eric Cheung.

- Added solutions by Thomas Kohler.
- Added solutions by E. Choroba.
- Added solutions by Niels van Dijke.
- Added solutions by Andrew Shitov.
- Added solutions by Mark Anderson.
- Added solutions by Peter Campbell Smith.
- Added solutions by David Ferrone.
- Added solutions by W. Luis Mochan.
- Added solutions by Robbie Hatley.
- Added solutions by Ali Moradi.
- Added solutions by Feng Chang.
- Added solutions by PokGoPun.
- Added solutions by Andreas Mahnke.
- Added solutions by Peter Meszaros.

28 files changed, 718 insertions, 392 deletions

diff --git a/challenge-325/eric-cheung/python/ch-1.py b/challenge-325/eric-cheung/python/ch-1.py
new file mode 100755
index 0000000000..6cc76254d9
--- /dev/null
+++ b/challenge-325/eric-cheung/python/ch-1.py
@@ -0,0 +1,22 @@
+

+## arrBinary = [0, 1, 1, 0, 1, 1, 1]  ## Example 1

+## arrBinary = [0, 0, 0, 0]  ## Example 2

+arrBinary = [1, 0, 1, 0, 1, 1]  ## Example 3

+

+nMaxOne = 0

+nCountOne = 0

+

+for nBinLoop in arrBinary:

+    if nBinLoop == 0:

+        if nCountOne > nMaxOne:

+            nMaxOne = nCountOne

+

+        nCountOne = 0

+        continue

+

+    nCountOne = nCountOne + 1

+

+if nCountOne > nMaxOne:

+    nMaxOne = nCountOne

+

+print (nMaxOne)

diff --git a/challenge-325/eric-cheung/python/ch-2.py b/challenge-325/eric-cheung/python/ch-2.py
new file mode 100755
index 0000000000..997d8bbb8a
--- /dev/null
+++ b/challenge-325/eric-cheung/python/ch-2.py
@@ -0,0 +1,18 @@
+

+## Ref.:

+## https://www.tutorialspoint.com/program-to-find-final-prices-with-a-special-discount-in-a-shop-in-python

+

+## arrPrice = [8, 4, 6, 2, 3]  ## Example 1

+## arrPrice = [1, 2, 3, 4, 5]  ## Example 2

+arrPrice = [7, 1, 1, 5]  ## Example 3

+

+arrOutput = []

+

+for nIndx, nPrice in enumerate(arrPrice):

+    arrDiscount = [arrPrice[nSubIndxLoop] for nSubIndxLoop in range(nIndx + 1, len(arrPrice)) if arrPrice[nSubIndxLoop] <= nPrice]

+

+    nDiscount = (0 if len(arrDiscount) == 0 else arrDiscount[0])

+

+    arrOutput.append(nPrice - nDiscount)

+

+print (arrOutput)

diff --git a/challenge-325/perlboy1967/perl/ch1.pl b/challenge-325/perlboy1967/perl/ch-1.pl
index 941e10119d..941e10119d 100755
--- a/challenge-325/perlboy1967/perl/ch1.pl
+++ b/challenge-325/perlboy1967/perl/ch-1.pl
diff --git a/challenge-325/perlboy1967/perl/ch2.pl b/challenge-325/perlboy1967/perl/ch-2.pl
index 9e2ccbaa41..9e2ccbaa41 100755
--- a/challenge-325/perlboy1967/perl/ch2.pl
+++ b/challenge-325/perlboy1967/perl/ch-2.pl
diff --git a/stats/pwc-challenge-324.json b/stats/pwc-challenge-324.json
new file mode 100644
index 0000000000..954f4508b1
--- /dev/null
+++ b/stats/pwc-challenge-324.json
@@ -0,0 +1,559 @@
+{
+   "chart" : {
+      "type" : "column"
+   },
+   "drilldown" : {
+      "series" : [
+         {
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Blog",
+                  2
+               ]
+            ],
+            "id" : "Adam Russell",
+            "name" : "Adam Russell"
+         },
+         {
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ]
+            ],
+            "id" : "Alexander Karelas",
+            "name" : "Alexander Karelas"
+         },
+         {
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Blog",
+                  1
+               ]
+            ],
+            "id" : "Ali Moradi",
+            "name" : "Ali Moradi"
+         },
+         {
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ]
+            ],
+            "id" : "Andreas Mahnke",
+            "name" : "Andreas Mahnke"
+         },
+         {
+            "data" : [
+               [
+                  "Raku",
+                  2
+               ]
+            ],
+            "id" : "Andrew Shitov",
+            "name" : "Andrew Shitov"
+         },
+         {
+            "data" : [
+               [
+                  "Raku",
+                  2
+               ],
+               [
+                  "Blog",
+                  1
+               ]
+            ],
+            "id" : "Arne Sommer",
+            "name" : "Arne Sommer"
+         },
+         {
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Raku",
+                  2
+               ]
+            ],
+            "id" : "Athanasius",
+            "name" : "Athanasius"
+         },
+         {
+            "data" : [
+               [
+                  "Raku",
+                  2
+               ]
+            ],
+            "id" : "BarrOff",
+            "name" : "BarrOff"
+         },
+         {
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ]
+            ],
+            "id" : "Bob Lied",
+            "name" : "Bob Lied"
+         },
+         {
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ]
+            ],
+            "id" : "David Ferrone",
+            "name" : "David Ferrone"
+         },
+         {
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ]
+            ],
+            "id" : "E. Choroba",
+            "name" : "E. Choroba"
+         },
+         {
+            "data" : [
+               [
+                  "Raku",
+                  2
+               ]
+            ],
+            "id" : "Feng Chang",
+            "name" : "Feng Chang"
+         },
+         {
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Raku",
+                  2
+               ],
+               [
+                  "Blog",
+                  1
+               ]
+            ],
+            "id" : "Jaldhar H. Vyas",
+            "name" : "Jaldhar H. Vyas"
+         },
+         {
+            "data" : [
+               [
+                  "Raku",
+                  2
+               ]
+            ],
+            "id" : "Jan Krnavek",
+            "name" : "Jan Krnavek"
+         },
+         {
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Blog",
+                  1
+               ]
+            ],
+            "id" : "Jorg Sommrey",
+            "name" : "Jorg Sommrey"
+         },
+         {
+            "data" : [
+               [
+                  "Raku",
+                  2
+               ]
+            ],
+            "id" : "Mark Anderson",
+            "name" : "Mark Anderson"
+         },
+         {
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Blog",
+                  1
+               ]
+            ],
+            "id" : "Matthias Muth",
+            "name" : "Matthias Muth"
+         },
+         {
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ]
+            ],
+            "id" : "Niels van Dijke",
+            "name" : "Niels van Dijke"
+         },
+         {
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Raku",
+                  2
+               ],
+               [
+                  "Blog",
+                  1
+               ]
+            ],
+            "id" : "Packy Anderson",
+            "name" : "Packy Anderson"
+         },
+         {
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Blog",
+                  1
+               ]
+            ],
+            "id" : "Peter Campbell Smith",
+            "name" : "Peter Campbell Smith"
+         },
+         {
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ]
+            ],
+            "id" : "Peter Meszaros",
+            "name" : "Peter Meszaros"
+         },
+         {
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Blog",
+                  1
+               ]
+            ],
+            "id" : "Robbie Hatley",
+            "name" : "Robbie Hatley"
+         },
+         {
+            "data" : [
+               [
+                  "Raku",
+                  2
+               ]
+            ],
+            "id" : "Robert Ransbottom",
+            "name" : "Robert Ransbottom"
+         },
+         {
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Raku",
+                  2
+               ],
+               [
+                  "Blog",
+                  1
+               ]
+            ],
+            "id" : "Roger Bell_West",
+            "name" : "Roger Bell_West"
+         },
+         {
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Blog",
+                  1
+               ]
+            ],
+            "id" : "Simon Green",
+            "name" : "Simon Green"
+         },
+         {
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Blog",
+                  2
+               ]
+            ],
+            "id" : "Thomas Kohler",
+            "name" : "Thomas Kohler"
+         },
+         {
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Raku",
+                  2
+               ]
+            ],
+            "id" : "Ulrich Rieke",
+            "name" : "Ulrich Rieke"
+         },
+         {
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Blog",
+                  1
+               ]
+            ],
+            "id" : "W. Luis Mochan",
+            "name" : "W. Luis Mochan"
+         },
+         {
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Blog",
+                  1
+               ]
+            ],
+            "id" : "Yitzchak Scott-Thoennes",
+            "name" : "Yitzchak Scott-Thoennes"
+         }
+      ]
+   },
+   "legend" : {
+      "enabled" : 0
+   },
+   "plotOptions" : {
+      "series" : {
+         "borderWidth" : 0,
+         "dataLabels" : {
+            "enabled" : 1,
+            "format" : "{point.y}"
+         }
+      }
+   },
+   "series" : [
+      {
+         "colorByPoint" : 1,
+         "data" : [
+            {
+               "drilldown" : "Adam Russell",
+               "name" : "Adam Russell",
+               "y" : 4
+            },
+            {
+               "drilldown" : "Alexander Karelas",
+               "name" : "Alexander Karelas",
+               "y" : 2
+            },
+            {
+               "drilldown" : "Ali Moradi",
+               "name" : "Ali Moradi",
+               "y" : 3
+            },
+            {
+               "drilldown" : "Andreas Mahnke",
+               "name" : "Andreas Mahnke",
+               "y" : 2
+            },
+            {
+               "drilldown" : "Andrew Shitov",
+               "name" : "Andrew Shitov",
+               "y" : 2
+            },
+            {
+               "drilldown" : "Arne Sommer",
+               "name" : "Arne Sommer",
+               "y" : 3
+            },
+            {
+               "drilldown" : "Athanasius",
+               "name" : "Athanasius",
+               "y" : 4
+            },
+            {
+               "drilldown" : "BarrOff",
+               "name" : "BarrOff",
+               "y" : 2
+            },
+            {
+               "drilldown" : "Bob Lied",
+               "name" : "Bob Lied",
+               "y" : 2
+            },
+            {
+               "drilldown" : "David Ferrone",
+               "name" : "David Ferrone",
+               "y" : 2
+            },
+            {
+               "drilldown" : "E. Choroba",
+               "name" : "E. Choroba",
+               "y" : 2
+            },
+            {
+               "drilldown" : "Feng Chang",
+               "name" : "Feng Chang",
+               "y" : 2
+            },
+            {
+               "drilldown" : "Jaldhar H. Vyas",
+               "name" : "Jaldhar H. Vyas",
+               "y" : 5
+            },
+            {
+               "drilldown" : "Jan Krnavek",
+               "name" : "Jan Krnavek",
+               "y" : 2
+            },
+            {
+               "drilldown" : "Jorg Sommrey",
+               "name" : "Jorg Sommrey",
+               "y" : 3
+            },
+            {
+               "drilldown" : "Mark Anderson",
+               "name" : "Mark Anderson",
+               "y" : 2
+            },
+            {
+               "drilldown" : "Matthias Muth",
+               "name" : "Matthias Muth",
+               "y" : 3
+            },
+            {
+               "drilldown" : "Niels van Dijke",
+               "name" : "Niels van Dijke",
+               "y" : 2
+            },
+            {
+               "drilldown" : "Packy Anderson",
+               "name" : "Packy Anderson",
+               "y" : 5
+            },
+            {
+               "drilldown" : "Peter Campbell Smith",
+               "name" : "Peter Campbell Smith",
+               "y" : 3
+            },
+            {
+               "drilldown" : "Peter Meszaros",
+               "name" : "Peter Meszaros",
+               "y" : 2
+            },
+            {
+               "drilldown" : "Robbie Hatley",
+               "name" : "Robbie Hatley",
+               "y" : 3
+            },
+            {
+               "drilldown" : "Robert Ransbottom",
+               "name" : "Robert Ransbottom",
+               "y" : 2
+            },
+            {
+               "drilldown" : "Roger Bell_West",
+               "name" : "Roger Bell_West",
+               "y" : 5
+            },
+            {
+               "drilldown" : "Simon Green",
+               "name" : "Simon Green",
+               "y" : 3
+            },
+            {
+               "drilldown" : "Thomas Kohler",
+               "name" : "Thomas Kohler",
+               "y" : 4
+            },
+            {
+               "drilldown" : "Ulrich Rieke",
+               "name" : "Ulrich Rieke",
+               "y" : 4
+            },
+            {
+               "drilldown" : "W. Luis Mochan",
+               "name" : "W. Luis Mochan",
+               "y" : 3
+            },
+            {
+               "drilldown" : "Yitzchak Scott-Thoennes",
+               "name" : "Yitzchak Scott-Thoennes",
+               "y" : 3
+            }
+         ],
+         "name" : "The Weekly Challenge - 324"
+      }
+   ],
+   "subtitle" : {
+      "text" : "[Champions: 29] Last updated at 2025-06-10 08:29:51 GMT"
+   },
+   "title" : {
+      "text" : "The Weekly Challenge - 324"
+   },
+   "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/>"
+   },
+   "xAxis" : {
+      "type" : "category"
+   },
+   "yAxis" : {
+      "title" : {
+         "text" : "Total Solutions"
+      }
+   }
+}
diff --git a/stats/pwc-current.json b/stats/pwc-current.json
index 2e25c84639..936f3790aa 100644
--- a/stats/pwc-current.json
+++ b/stats/pwc-current.json
@@ -12,30 +12,6 @@
                ],
                [
                   "Blog",
-                  2
-               ]
-            ],
-            "id" : "Adam Russell",
-            "name" : "Adam Russell"
-         },
-         {
-            "data" : [
-               [
-                  "Perl",
-                  2
-               ]
-            ],
-            "id" : "Alexander Karelas",
-            "name" : "Alexander Karelas"
-         },
-         {
-            "data" : [
-               [
-                  "Perl",
-                  2
-               ],
-               [
-                  "Blog",
                   1
                ]
             ],
@@ -65,55 +41,7 @@
          {
             "data" : [
                [
-                  "Raku",
-                  2
-               ],
-               [
                   "Blog",
-                  1
-               ]
-            ],
-            "id" : "Arne Sommer",
-            "name" : "Arne Sommer"
-         },
-         {
-            "data" : [
-               [
-                  "Perl",
-                  2
-               ],
-               [
-                  "Raku",
-                  2
-               ]
-            ],
-            "id" : "Athanasius",
-            "name" : "Athanasius"
-         },
-         {
-            "data" : [
-               [
-                  "Raku",
-                  2
-               ]
-            ],
-            "id" : "BarrOff",
-            "name" : "BarrOff"
-         },
-         {
-            "data" : [
-               [
-                  "Perl",
-                  2
-               ]
-            ],
-            "id" : "Bob Lied",
-            "name" : "Bob Lied"
-         },
-         {
-            "data" : [
-               [
-                  "Perl",
                   2
                ]
             ],
@@ -143,48 +71,6 @@
          {
             "data" : [
                [
-                  "Perl",
-                  2
-               ],
-               [
-                  "Raku",
-                  2
-               ],
-               [
-                  "Blog",
-                  1
-               ]
-            ],
-            "id" : "Jaldhar H. Vyas",
-            "name" : "Jaldhar H. Vyas"
-         },
-         {
-            "data" : [
-               [
-                  "Raku",
-                  2
-               ]
-            ],
-            "id" : "Jan Krnavek",
-            "name" : "Jan Krnavek"
-         },
-         {
-            "data" : [
-               [
-                  "Perl",
-                  2
-               ],
-               [
-                  "Blog",
-                  1
-               ]
-            ],
-            "id" : "Jorg Sommrey",
-            "name" : "Jorg Sommrey"
-         },
-         {
-            "data" : [
-               [
                   "Raku",
                   2
                ]
@@ -197,20 +83,6 @@
                [
                   "Perl",
                   2
-               ],
-               [
-                  "Blog",
-                  1
-               ]
-            ],
-            "id" : "Matthias Muth",
-            "name" : "Matthias Muth"
-         },
-         {
-            "data" : [
-               [
-                  "Perl",
-                  2
                ]
             ],
             "id" : "Niels van Dijke",
@@ -223,24 +95,6 @@
                   2
                ],
                [
-                  "Raku",
-                  2
-               ],
-               [
-                  "Blog",
-                  1
-               ]
-            ],
-            "id" : "Packy Anderson",
-            "name" : "Packy Anderson"
-         },
-         {
-            "data" : [
-               [
-                  "Perl",
-                  2
-               ],
-               [
                   "Blog",
                   1
                ]
@@ -275,48 +129,6 @@
          {
             "data" : [
                [
-                  "Raku",
-                  2
-               ]
-            ],
-            "id" : "Robert Ransbottom",
-            "name" : "Robert Ransbottom"
-         },
-         {
-            "data" : [
-               [
-                  "Perl",
-                  2
-               ],
-               [
-                  "Raku",
-                  2
-               ],
-               [
-                  "Blog",
-                  1
-               ]
-            ],
-            "id" : "Roger Bell_West",
-            "name" : "Roger Bell_West"
-         },
-         {
-            "data" : [
-               [
-                  "Perl",
-                  2
-               ],
-               [
-                  "Blog",
-                  1
-               ]
-            ],
-            "id" : "Simon Green",
-            "name" : "Simon Green"
-         },
-         {
-            "data" : [
-               [
                   "Perl",
                   2
                ],
@@ -335,40 +147,12 @@
                   2
                ],
                [
-                  "Raku",
-                  2
-               ]
-            ],
-            "id" : "Ulrich Rieke",
-            "name" : "Ulrich Rieke"
-         },
-         {
-            "data" : [
-               [
-                  "Perl",
-                  2
-               ],
-               [
                   "Blog",
                   1
                ]
             ],
             "id" : "W. Luis Mochan",
             "name" : "W. Luis Mochan"
-         },
-         {
-            "data" : [
-               [
-                  "Perl",
-                  2
-               ],
-               [
-                  "Blog",
-                  1
-               ]
-            ],
-            "id" : "Yitzchak Scott-Thoennes",
-            "name" : "Yitzchak Scott-Thoennes"
          }
       ]
    },
@@ -389,16 +173,6 @@
          "colorByPoint" : 1,
          "data" : [
             {
-               "drilldown" : "Adam Russell",
-               "name" : "Adam Russell",
-               "y" : 4
-            },
-            {
-               "drilldown" : "Alexander Karelas",
-               "name" : "Alexander Karelas",
-               "y" : 2
-            },
-            {
                "drilldown" : "Ali Moradi",
                "name" : "Ali Moradi",
                "y" : 3
@@ -414,26 +188,6 @@
                "y" : 2
             },
             {
-               "drilldown" : "Arne Sommer",
-               "name" : "Arne Sommer",
-               "y" : 3
-            },
-            {
-               "drilldown" : "Athanasius",
-               "name" : "Athanasius",
-               "y" : 4
-            },
-            {
-               "drilldown" : "BarrOff",
-               "name" : "BarrOff",
-               "y" : 2
-            },
-            {
-               "drilldown" : "Bob Lied",
-               "name" : "Bob Lied",
-               "y" : 2
-            },
-            {
                "drilldown" : "David Ferrone",
                "name" : "David Ferrone",
                "y" : 2
@@ -449,41 +203,16 @@
                "y" : 2
             },
             {
-               "drilldown" : "Jaldhar H. Vyas",
-               "name" : "Jaldhar H. Vyas",
-               "y" : 5
-            },
-            {
-               "drilldown" : "Jan Krnavek",
-               "name" : "Jan Krnavek",
-               "y" : 2
-            },
-            {
-               "drilldown" : "Jorg Sommrey",
-               "name" : "Jorg Sommrey",
-               "y" : 3
-            },
-            {
                "drilldown" : "Mark Anderson",
                "name" : "Mark Anderson",
                "y" : 2
             },
             {
-               "drilldown" : "Matthias Muth",
-               "name" : "Matthias Muth",
-               "y" : 3
-            },
-            {