Merge branch 'manwar:master' into rh281

28 files changed, 2514 insertions, 2259 deletions

diff --git a/challenge-281/eric-cheung/python/ch-1.py b/challenge-281/eric-cheung/python/ch-1.py
new file mode 100755
index 0000000000..22bdbb6e1b
--- /dev/null
+++ b/challenge-281/eric-cheung/python/ch-1.py
@@ -0,0 +1,15 @@
+

+arrX_Coor = ["a", "b", "c", "d", "e", "f", "g", "h"]

+arrY_Coor = [nLoop for nLoop in range(1, 9)]

+

+## print (arrX_Coor)

+## print (arrY_Coor)

+

+## strCoord = "d3"  ## Example 1

+## strCoord = "g5"  ## Example 2

+strCoord = "e6"  ## Example 3

+

+## Ref.

+## True: Light

+## False: Dark

+print (arrX_Coor.index(strCoord[0]) % 2 == 1 or arrY_Coor.index(int(strCoord[1])) % 2 == 1)

diff --git a/challenge-281/eric-cheung/python/ch-2.py b/challenge-281/eric-cheung/python/ch-2.py
new file mode 100755
index 0000000000..d665d4e730
--- /dev/null
+++ b/challenge-281/eric-cheung/python/ch-2.py
@@ -0,0 +1,113 @@
+

+## Ref.

+## https://www.geeksforgeeks.org/minimum-steps-reach-target-knight-set-2/

+

+## Min Steps For A Knight to Reach Target Position

+

+## Initialize the Matrix

+arrKnightMove = [[0 for nRowLoop in range(8)] for nColLoop in range(8)]

+

+## Size of Chess Board nBoardSize * nBoardSize

+nBoardSize = 8

+

+arrX_Coor = ["a", "b", "c", "d", "e", "f", "g", "h"]

+arrY_Coor = [str(nLoop) for nLoop in range(1, 9)]

+

+def GetStepMove (nStartPos_X, nStartPos_Y, nTargetPos_X, nTargetPos_Y):

+

+    ## Exception

+    ## These are the four corner points

+    ## for which the minimum steps is 4

+

+    if nStartPos_X == 1 and nStartPos_Y == 1 and nTargetPos_X == 2 and nTargetPos_Y == 2 or nStartPos_X == 2 and nStartPos_Y == 2 and nTargetPos_X == 1 and nTargetPos_Y == 1:

+        return 4

+

+    if nStartPos_X == 1 and nStartPos_Y == nBoardSize and nTargetPos_X == 2 and nTargetPos_Y == nBoardSize - 1 or nStartPos_X == 2 and nStartPos_Y == nBoardSize - 1 and nTargetPos_X == 1 and nTargetPos_Y == nBoardSize:

+        return 4

+

+    if nStartPos_X == nBoardSize and nStartPos_Y == 1 and nTargetPos_X == nBoardSize - 1 and nTargetPos_Y == 2 or nStartPos_X == nBoardSize - 1 and nStartPos_Y == 2 and nTargetPos_X == nBoardSize and nTargetPos_Y == 1:

+        return 4

+

+    if nStartPos_X == nBoardSize and nStartPos_Y == nBoardSize and nTargetPos_X == nBoardSize - 1 and nTargetPos_Y == nBoardSize - 1 or nStartPos_X == nBoardSize - 1 and nStartPos_Y == nBoardSize - 1 and nTargetPos_X == nBoardSize and nTargetPos_Y == nBoardSize:

+        return 4

+

+    ## If Knight is on the target, position return 0

+    if nStartPos_X == nTargetPos_X and nStartPos_Y == nTargetPos_Y: 

+        return arrKnightMove[0][0]

+

+    ## If already calculated, then return that value. Take absolute difference

+    nAbsDiff_X = abs(nStartPos_X - nTargetPos_X)

+    nAbsDiff_Y = abs(nStartPos_Y - nTargetPos_Y)

+

+    if arrKnightMove[nAbsDiff_X][nAbsDiff_Y] != 0:

+        return arrKnightMove[nAbsDiff_X][nAbsDiff_Y]

+  

+    ## There will be two distinct positions

+    ## from the knight towards a target

+    ## if the target is in same row or column

+    ## as of knight then there can be four

+    ## positions towards the target but in that

+    ## two would be the same and the other two

+    ## would be the same.

+    nInterPos_01_X, nInterPos_01_Y, nInterPos_02_X, nInterPos_02_Y = 0, 0, 0, 0

+

+    ## (nInterPos_01_X, nInterPos_01_Y) and (nInterPos_02_X, nInterPos_02_Y) are two positions.

+    ## these can be different according to situation.

+    ## From position of knight, the chess board can be

+    ## divided into four blocks i.e.. N-E, E-S, S-W, W-N

+    if nStartPos_X <= nTargetPos_X:

+        nInterPos_01_X = nStartPos_X + 2

+        nInterPos_02_X = nStartPos_X + 1

+    else:

+        nInterPos_01_X = nStartPos_X - 2

+        nInterPos_02_X = nStartPos_X - 1

+

+    if nStartPos_Y <= nTargetPos_Y:

+        nInterPos_01_Y = nStartPos_Y + 1

+        nInterPos_02_Y = nStartPos_Y + 2

+    else:

+        nInterPos_01_Y = nStartPos_Y - 1

+        nInterPos_02_Y = nStartPos_Y - 2

+

+    ## Answer will be, 1 + minimum of steps 

+    ## required from (nInterPos_01_X, nInterPos_01_Y) and (nInterPos_02_X, nInterPos_02_Y)

+    arrKnightMove[nAbsDiff_X][nAbsDiff_Y] = min(GetStepMove(nInterPos_01_X, nInterPos_01_Y, nTargetPos_X, nTargetPos_Y), GetStepMove(nInterPos_02_X, nInterPos_02_Y, nTargetPos_X, nTargetPos_Y)) + 1

+

+    ## exchanging the coordinates nStartPos_X with nStartPos_Y of both

+    ## knight and target will result in same answer

+    arrKnightMove[nAbsDiff_Y][nAbsDiff_X] = arrKnightMove[nAbsDiff_X][nAbsDiff_Y]

+

+    return arrKnightMove[nAbsDiff_X][nAbsDiff_Y]

+

+

+## Driver Code 

+if __name__ == "__main__":

+

+    ## (nStartPos_X, nStartPos_Y) coordinate of the Knight Position

+    ## (nTargetPos_X, nTargetPos_Y) coordinate of the Target Position

+

+    ## Example 1

+    ## strStartPos = "g2"

+    ## strTargetPos = "a8"

+

+    ## Example 2

+    strStartPos = "g2"

+    strTargetPos = "h2"

+

+    nStartPos_X = arrX_Coor.index(strStartPos[0]) + 1

+    nStartPos_Y = arrY_Coor.index(strStartPos[1]) + 1

+

+    nTargetPos_X = arrX_Coor.index(strTargetPos[0]) + 1

+    nTargetPos_Y = arrY_Coor.index(strTargetPos[1]) + 1

+

+    ## arrKnightMove[a][b], here a, b is the difference of

+    ## nStartPos_X & nTargetPos_X and nStartPos_Y & nTargetPos_Y respectively

+    arrKnightMove[1][0] = 3

+    arrKnightMove[0][1] = 3

+    arrKnightMove[1][1] = 2

+    arrKnightMove[2][0] = 2

+    arrKnightMove[0][2] = 2

+    arrKnightMove[2][1] = 1

+    arrKnightMove[1][2] = 1

+

+    print (GetStepMove(nStartPos_X, nStartPos_Y, nTargetPos_X, nTargetPos_Y))

diff --git a/challenge-281/packy-anderson/elixir/ch-2.exs b/challenge-281/packy-anderson/elixir/ch-2.exs
index 04b5c8529b..1009526549 100755
--- a/challenge-281/packy-anderson/elixir/ch-2.exs
+++ b/challenge-281/packy-anderson/elixir/ch-2.exs
@@ -1,20 +1,128 @@
 #!/usr/bin/env elixir
 
 defmodule PWC do
+  defp letterAdd(letter, add) do
+    <<val::utf8>> = letter
+    List.to_string([val + add])
+  end
+
+  def onBoard(c,r) do
+    "a" <= c and c <= "h" and 1 <= r and r <= 8
+  end
+
+  defp knightMoveList(), do: [
+    {-2, -1}, {-2, +1}, {-1, -2}, {-1, +2},
+    {+2, -1}, {+2, +1}, {+1, -2}, {+1, +2},
+  ]
+
+  def knightMoves([], _, _, endpoints), do: endpoints
+
+  def knightMoves([next | rest], letter, num, endpoints) do
+    {col, row} = next
+    newcol = letterAdd(letter, col)
+    newrow = num + row
+    endpoints = if onBoard(newcol,newrow) do
+      # add to list being returned
+      endpoints ++ [ newcol <> to_string(newrow) ]
+    else
+      endpoints
+    end
+    knightMoves(rest, letter, num, endpoints)
+  end
+
+  def knightMoves(coordinates) do
+    letter = String.first(coordinates)
+    {num, _} = Integer.parse(String.last(coordinates))
+    knightMoves(knightMoveList(), letter, num, [])
+  end
+
+  def processEndpoints(
+    next, params = %{
+      moves_to: moves_to,
+      path_to:  path_to,
+      startPos: startPos,
+      endPos:   endPos,
+      queue:    queue
+    }
+  ) do
+    # update the move count map
+    moves_to = Map.put(moves_to, next, moves_to[startPos] + 1)
+
+    # update the path to current space map
+    path_to = Map.put(path_to, next,
+      "#{path_to[startPos]} -> #{next}"
+    )
+
+    if next == endPos do
+      # we found the shortest path, update the return
+      # values which will stop the loop
+      %{ moves: moves_to[next], path: path_to[next] }
+    else
+      # update params for next iteration
+      params |> Map.put(:moves_to, moves_to)
+             |> Map.put(:path_to,  path_to)
+             |> Map.put(:queue,    queue ++ [ next ])
+    end
+  end
+
+  def processEndpoints(_, params = %{moves: moves})
+    when not is_nil(moves), do: params
+
+  # we've exhausted the queue
+  # (only possible when the chessboard is an odd size)
+  def processQueue([], _), do: %{
+    moves: -1, path: "no path found"
+  }
+
+  def processQueue(_, params = %{moves: moves})
+    when not is_nil(moves), do: params
+
+  def processQueue([startPos | queue], params = %{
+    path_to: path_to
+  }) do
+    # put the current starting position and the current queue
+    # into the params
+    params = params |> Map.put(:queue,    queue)
+                    |> Map.put(:startPos, startPos)
+
+    # figure out the valid moves that we haven't been to yet
+    endpoints = knightMoves(startPos)
+    |> Enum.filter(fn m -> !Map.has_key?(path_to, m) end)
+
+    # call processEndpoints/2 for each of the endpoints
+    params = Enum.reduce(endpoints, params, &processEndpoints/2)
+
+    # recursively call to process the rest of the queue
+    processQueue(params[:queue], params)
+  end
+
+  # trivial case: we're already at the end point
+  def leastMoves(startPos, endPos) when startPos == endPos, do:
+    { 0, endPos }
+
+  def leastMoves(startPos, endPos) do
+    params = processQueue([ startPos ], %{
+      endPos:   endPos,
+      moves_to: %{ startPos => 0 },
+      path_to:  %{ startPos => startPos },
+      moves:    nil,
+      path:     nil
+    })
+    { params[:moves], params[:path] }
+  end
 
-  def solution(ints) do
-    IO.puts("Input: @ints = (" <> Enum.join(ints, ", ") <> ")")
-    {sign, explain} = PWC.productSign(ints)
-    IO.puts("Output: " <> to_string(sign) )
-    IO.puts("\n" <> explain)
+  def solution(startPos, endPos) do
+    IO.puts("Input: $start = '#{startPos}', $end = '#{endPos}'")
+    {count, moves} = leastMoves(startPos, endPos)
+    IO.puts("Output: #{to_string(count)}\n\n#{moves}" )
   end
 end
 
 IO.puts("Example 1:")
-PWC.solution()
+PWC.solution("g2", "a8")
 
 IO.puts("\nExample 2:")
-PWC.solution()
+PWC.solution("g2", "h2")
 
 IO.puts("\nExample 3:")
-PWC.solution()
+PWC.solution("a1", "h8")
diff --git a/challenge-281/packy-anderson/perl/ch-2.pl b/challenge-281/packy-anderson/perl/ch-2.pl
index 92eeb1cbd4..3992136a60 100755
--- a/challenge-281/packy-anderson/perl/ch-2.pl
+++ b/challenge-281/packy-anderson/perl/ch-2.pl
@@ -68,7 +68,7 @@ sub solution($start, $end) {
   say qq/Input: \$start = '$start', \$end = '$end'/;
   my ($count, $moves) = leastMoves($start, $end);
   say 'Output: ' . $count;
-  say "\n$moves\n";
+  say "\n$moves";
 }
 
 say "Example 1:";
diff --git a/challenge-281/packy-anderson/python/ch-2.py b/challenge-281/packy-anderson/python/ch-2.py
index f1b8803a71..72f51c823f 100755
--- a/challenge-281/packy-anderson/python/ch-2.py
+++ b/challenge-281/packy-anderson/python/ch-2.py
@@ -65,7 +65,7 @@ def leastMoves(start, end):
 def solution(start, end):
     print(f'Input: $start = \'{start}\', $end = \'{end}\'')
     count, moves = leastMoves(start, end)
-    print(f'Output: {count}\n\n{moves}\n')
+    print(f'Output: {count}\n\n{moves}')
 
 print('Example 1:')
 solution('g2', 'a8')
diff --git a/challenge-281/packy-anderson/raku/ch-2.raku b/challenge-281/packy-anderson/raku/ch-2.raku
index 4ab5b7f4b1..ed29559b0a 100755
--- a/challenge-281/packy-anderson/raku/ch-2.raku
+++ b/challenge-281/packy-anderson/raku/ch-2.raku
@@ -68,7 +68,7 @@ sub solution($start, $end) {
   say qq/Input: \$start = '$start', \$end = '$end'/;
   my ($count, $moves) = leastMoves($start, $end);
   say 'Output: ' ~ $count;
-  say "\n$moves\n";
+  say "\n$moves";
 }
 
 say "Example 1:";
diff --git a/stats/pwc-current.json b/stats/pwc-current.json
index af688e0780..7ff509be34 100644
--- a/stats/pwc-current.json
+++ b/stats/pwc-current.json
@@ -1,7 +1,141 @@
 {
+   "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 - 281",
+         "colorByPoint" : 1,
+         "data" : [
+            {
+               "name" : "Alexander Karelas",
+               "drilldown" : "Alexander Karelas",
+               "y" : 2
+            },
+            {
+               "drilldown" : "Dave Jacoby",
+               "name" : "Dave Jacoby",
+               "y" : 3
+            },
+            {
+               "drilldown" : "David Ferrone",
+               "y" : 2,
+               "name" : "David Ferrone"
+            },
+            {
+               "y" : 2,
+               "drilldown" : "E. Choroba",
+               "name" : "E. Choroba"
+            },
+            {
+               "name" : "Feng Chang",
+               "drilldown" : "Feng Chang",
+               "y" : 2
+            },
+            {
+               "y" : 2,
+               "drilldown" : "Jan Krnavek",
+               "name" : "Jan Krnavek"
+            },
+            {
+               "y" : 2,
+               "drilldown" : "Kjetil Skotheim",
+               "name" : "Kjetil Skotheim"
+            },
+            {
+               "drilldown" : "Laurent Rosenfeld",
+               "name" : "Laurent Rosenfeld",
+               "y" : 3
+            },
+            {
+               "drilldown" : "Mariano Ortega",
+               "name" : "Mariano Ortega",
+               "y" : 2
+            },
+            {
+               "drilldown" : "Mark Anderson",
+               "name" : "Mark Anderson",
+               "y" : 2
+            },
+            {
+               "y" : 5,
+               "drilldown" : "Packy Anderson",
+               "name" : "Packy Anderson"
+            },
+            {
+               "drilldown" : "Peter Campbell Smith",
+               "y" : 3,
+               "name" : "Peter Campbell Smith"
+            },
+            {
+               "drilldown" : "Peter Meszaros",
+               "name" : "Peter Meszaros",
+               "y" : 2
+            },
+            {
+               "y" : 3,
+               "drilldown" : "Robbie Hatley",
+               "name" : "Robbie Hatley"
+            },
+            {
+               "y" : 4,
+               "drilldown" : "Roger Bell_West",
+               "name" : "Roger Bell_West"
+            },
+            {
+               "drilldown" : "Thomas Kohler",
+               "name" : "Thomas Kohler",
+               "y" : 4
+            },
+            {
+               "drilldown" : "Ulrich Rieke",
+               "y" : 4,
+               "name" : "Ulrich Rieke"
+            },
+            {
+               "drilldown" : "W. Luis Mochan",
+               "y" : 3,
+               "name" : "W. Luis Mochan"
+            },
+            {
+               "drilldown" : "Wanderdoc",
+               "name" : "Wanderdoc",
+               "y" : 2
+            }
+         ]
+      }
+   ],
+   "xAxis" : {
+      "type" : "category"
+   },
+   "plotOptions" : {
+      "series" : {
+         "dataLabels" : {
+            "enabled" : 1,
+            "format" : "{point.y}"
+         },
+         "borderWidth" : 0
+      }
+   },
    "title" : {
       "text" : "The Weekly Challenge - 281"
    },
+   "yAxis" : {
+      "title" : {
+         "text" : "Total Solutions"
+      }
+   },
+   "legend" : {
+      "enabled" : 0
+   },
+   "subtitle" : {
+      "text" : "[Champions: 19] Last updated at 2024-08-07 08:56:24 GMT"
+   },
+   "chart" : {
+      "type" : "column"
+   },
    "drilldown" : {
       "series" : [
          {
@@ -11,10 +145,12 @@
                   2
                ]
             ],
-            "id" : "Alexander Karelas",
-            "name" : "Alexander Karelas"
+            "name" : "Alexander Karelas",
+            "id" : "Alexander Karelas"
          },
          {
+            "name" : "Dave Jacoby",
+            "id" : "Dave Jacoby",
             "data" : [
                [
                   "Perl",
@@ -24,62 +160,59 @@
                   "Blog",
                   1
                ]
-            ],
-            "id" : "Dave Jacoby",
-            "name" : "Dave Jacoby"
+            ]
          },
          {
+            "name" : "David Ferrone",
             "id" : "David Ferrone",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ],
-            "name" : "David Ferrone"
+            ]
          },
          {
             "name" : "E. Choroba",
+            "id" : "E. Choroba",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ],
-            "id" : "E. Choroba"
+            ]
          },
          {
+            "name" : "Feng Chang",
+            "id" : "Feng Chang",
             "data" : [
                [
                   "Raku",
                   2
                ]
-            ],
-            "name" : "Feng Chang",
-            "id" : "Feng Chang"
+            ]
          },
          {
-            "name" : "Jan Krnavek",
             "data" : [
                [
                   "Raku",
                   2
                ]
             ],
+            "name" : "Jan Krnavek",
             "id" : "Jan Krnavek"
          },
          {
+            "name" : "Kjetil Skotheim",
+            "id" : "Kjetil Skotheim",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ],
-            "name" : "Kjetil Skotheim",
-            "id" : "Kjetil Skotheim"
+            ]
          },
          {
-            "id" : "Laurent Rosenfeld",
             "data" : [
                [
                   "Perl",
@@ -94,30 +227,30 @@
                   1
                ]
             ],
+            "id" : "Laurent Rosenfeld",
             "name" : "Laurent Rosenfeld"
          },
          {
-            "id" : "Mariano Ortega",
             "data" : [
                [
                   "Perl",
                   2
                ]
             ],
+            "id" : "Mariano Ortega",
             "name" : "Mariano Ortega"
          },
          {
             "name" : "Mark Anderson",
+            "id" : "Mark Anderson",
             "data" : [
                [
                   "Raku",
                   2
                ]
-            ],
-            "id" : "Mark Anderson"
+            ]
          },
          {
-            "id" : "Packy Anderson",
             "data" : [
                [
                   "Perl",
@@ -132,10 +265,10 @@
                   1
                ]
             ],
-            "name" : "Packy Anderson"
+            "name" : "Packy Anderson",
+            "id" : "Packy Anderson"
          },
          {
-            "name" : "Peter Campbell Smith",
             "data" : [
                [
                   "Perl",
@@ -146,20 +279,34 @@
                   1
                ]
             ],
+            "name" : "Peter Campbell Smith",
             "id" : "Peter Campbell Smith"
          },
          {
-            "name" : "Peter Meszaros",
             "data" : [
                [
                   "Perl",
                   2
                ]
             ],
-            "id" : "Peter Meszaros"
+            "id" : "Peter Meszaros",
+            "name" : "Peter Meszaros"
+         },
+         {
+            "name" : "Robbie Hatley",
+            "id" : "Robbie Hatley",
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Blog",
+                  1
+               ]
+            ]
          },
          {
-            "id" : "Roger Bell_West",
             "data" : [
                [
                   "Perl",
@@ -170,10 +317,10 @@
                   2
                ]
             ],
-            "name" : "Roger Bell_West"
+            "name" : "Roger Bell_West",
+            "id" : "Roger Bell_West"
          },
          {
-            "name" : "Thomas Kohler",
             "data" : [
                [
                   "Perl",
@@ -184,9 +331,11 @@
                   2
                ]
             ],
-            "id" : "Thomas Kohler"
+            "id" : "Thomas Kohler",
+            "name" : "Thomas Kohler"
          },
          {
+            "name" : "Ulrich Rieke",
             "id" : "Ulrich Rieke",
             "data" : [
                [
@@ -197,11 +346,9 @@
                   "Raku",
                   2
                ]
-            ],
-            "name" : "Ulrich Rieke"
+            ]
          },
          {
-            "id" : "W. Luis Mochan",
             "data" : [
                [
                   "Perl",
@@ -212,147 +359,19 @@
                   1
                ]
             ],
+            "id" : "W. Luis Mochan",
             "name" : "W. Luis Mochan"
          },
          {
+            "id" : "Wanderdoc",
+            "name" : "Wanderdoc",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ],
-            "id" : "Wanderdoc",
-            "name" : "Wanderdoc"
+            ]
          }
       ]
-   },
-   "yAxis" : {
-      "title" : {
-         "text" : "Total Solutions"
-      }
-   },
-   "subtitle" : {
-      "text" : "[Champions: 18] Last updated at 2024-08-06 22:29:23 GMT"
-   },
-   "series" : [
-      {
-         "data" : [
-            {
-               "y" : 2,
-               "drilldown" : "Alexander Karelas",
-               "name" : "Alexander Karelas"
-            },
-            {
-               "name" : "Dave Jacoby",
-               "drilldown" : "Dave Jacoby",
-               "y" : 3
-            },
-            {
-               "y" : 2,
-               "drilldown" : "David Ferrone",
-               "name" : "David Ferrone"
-            },
-            {
-               "y" : 2,
-               "name" : "E. Choroba",
-               "drilldown" : "E. Choroba"
-            },
-            {
-               "drilldown" : "Feng Chang",
-               "name" : "Feng Chang",
-               "y" : 2
-            },
-            {
-               "y" : 2,
-               "drilldown" : "Jan Krnavek",
-               "name" : "Jan Krnavek"
-            },
-            {
-               "drilldown" : "Kjetil Skotheim",
-               "name" : "Kjetil Skotheim",
-               "y" : 2
-            },
-            {
-               "name" : "Laurent Rosenfeld",
-               "drilldown" : "Laurent Rosenfeld",
-               "y" : 3
-            },
-            {
-               "name" : "Mariano Ortega",
-               "drilldown" : "Mariano Ortega",
-               "y" : 2
-            },
-            {
-               "name" : "Mark Anderson",
-               "drilldown" : "Mark Anderson",
-               "y" : 2
-            },
-            {
-               "y" : 5,
-               "drilldown" : "Packy Anderson",
-               "name" : "Packy Anderson"
-            },
-            {
-               "drilldown" : "Peter Campbell Smith",
-               "name" : "Peter Campbell Smith",
-               "y" : 3
-            },
-            {
-               "y" : 2,
-               "name" : "Peter Meszaros",
-               "drilldown" : "Peter Meszaros"
-            },
-            {
-               "y" : 4,
-               "drilldown" : "Roger Bell_West",
-               "name" : "Roger Bell_West"
-            },
-            {
-               "y" : 4,
-               "name" : "Thomas Kohler",
-               "drilldown" : "Thomas Kohler"
-            },
-            {
-               "drilldown" : "Ulrich Rieke",
-               "name" : "Ulrich Rieke",
-               "y" : 4
-            },
-            {
-               "y" : 3,
-               "name" : "W. Luis Mochan",
-               "drilldown" : "W. Luis Mochan"
-            },
-            {
-               "drilldown" : "Wanderdoc",
-               "name" : "Wanderdoc",
-               "y" : 2
-            }
-         ],
-         "name" : "The Weekly Challenge - 281",
-         "colorByPoint" : 1
-      }
-   ],
-   "chart" : {
-      "type" : "column"
-   },
-   "plotOptions" : {
-      "series" : {
-         "dataLabels" : {
-            "format" : "{point.y}",
-            "enabled" : 1
-         },
-         "borderWidth" : 0
-      }
-   },
-   "legend" : {
-      "enabled" : 0
-   },
-   "xAxis" : {
-      "type" : "category"
-   },
-   "tooltip" : {
-      "headerFormat" : "<span style='font-size:11px'>{series.name}</span><br/>",
-      "pointFormat" : "<span style='color:{point.color}'>{point.name}</span>: <b>{point.y:f}</b><br/>",
-      "followPointer" : 1
    }
 }
diff --git a/stats/pwc-language-breakdown-2019.json b/stats/pwc-language-breakdown-2019.json
index 8e542545fd..10f2296e38 100644
--- a/stats/pwc-language-breakdown-2019.json
+++ b/stats/pwc-language-breakdown-2019.json
@@ -1,240 +1,17 @@
 {
-   "plotOptions" : {
-      "series" : {
-         "dataLabels" : {
-            "format" : "{point.y}",
-            "enabled" : 1
-         },
-         "borderWidth" : 0
-      }
+   "subtitle" : {
+      "text" : "Click the columns to drilldown the language breakdown. Last updated at 2024-08-07 08:56:24 GMT"
+   },
+   "legend" : {
+      "enabled" : "false"
    },
    "chart" : {
       "type" : "column"
    },
-   "series" : [
-      {
-         "colorByPoint" : "true",
-         "name" : "The Weekly Challenge Languages",
-         "data" : [
-            {
-               "drilldown" : "041",
-               "name" : "041",
-               "