- Added solutions by Matthew Neleigh.

- Added solutions by Dave Jacoby.
- Added solutions by Laurent Rosenfeld.

25 files changed, 2848 insertions, 2770 deletions

diff --git a/challenge-284/laurent-rosenfeld/blog1.txt b/challenge-284/laurent-rosenfeld/blog1.txt
new file mode 100644
index 0000000000..608d71d8c5
--- /dev/null
+++ b/challenge-284/laurent-rosenfeld/blog1.txt
@@ -0,0 +1 @@
+https://blogs.perl.org/users/laurent_r/2024/08/perl-weekly-challenge-284-relative-sort.html
diff --git a/challenge-284/laurent-rosenfeld/perl/ch-2.pl b/challenge-284/laurent-rosenfeld/perl/ch-2.pl
new file mode 100644
index 0000000000..4ef7ecce09
--- /dev/null
+++ b/challenge-284/laurent-rosenfeld/perl/ch-2.pl
@@ -0,0 +1,27 @@
+use strict;
+use warnings;
+use feature 'say';
+
+sub relative_sort {
+    my ($in1, $in2) = @_;
+    my @result;
+    my %unsorted;
+    $unsorted{$_}++ for @$in1;
+    for my $i (@$in2) {
+        if (exists $unsorted{$i}) {
+            push @result, ($i) x $unsorted{$i};
+            $unsorted{$i} = 0;
+        }
+    }
+    push @result, sort map { ($_) x $unsorted{$_}}
+        grep { $unsorted{$_} > 0 } keys %unsorted;
+    return "@result";
+}
+
+my @tests = ( [[2, 3, 9, 3, 1, 4, 6, 7, 2, 8, 5], [2, 1, 4, 3, 5, 6]],
+              [[3, 3, 4, 6, 2, 4, 2, 1, 3], [1, 3, 2]],
+              [[3, 0, 5, 0, 2, 1, 4, 1, 1], [1, 0, 3, 2]] );
+for my $test (@tests) {
+    printf "%-15s => ", "@{$test->[1]}";
+    say relative_sort @$test[0], @$test[1];
+}
diff --git a/challenge-284/laurent-rosenfeld/raku/ch-2.raku b/challenge-284/laurent-rosenfeld/raku/ch-2.raku
new file mode 100644
index 0000000000..013b724e4f
--- /dev/null
+++ b/challenge-284/laurent-rosenfeld/raku/ch-2.raku
@@ -0,0 +1,20 @@
+sub relative-sort (@in1, @in2) {
+    my @result;
+    my $to-be-sorted = @in1.BagHash;
+    for @in2 -> $i {
+        if $to-be-sorted{$i}:exists {
+            append @result, $i xx $to-be-sorted{$i};
+            $to-be-sorted{$i} = 0;
+        }
+    }
+    append @result, (map { $_ xx $to-be-sorted{$_}}, $to-be-sorted.keys).sort;
+    return "@result[]";
+}
+
+my @tests = ((2, 3, 9, 3, 1, 4, 6, 7, 2, 8, 5), (2, 1, 4, 3, 5, 6)),
+            ((3, 3, 4, 6, 2, 4, 2, 1, 3), (1, 3, 2)),
+            ((3, 0, 5, 0, 2, 1, 4, 1, 1), (1, 0, 3, 2));
+for @tests -> @test {
+    printf "%-15s => ", "@test[1]";
+    say relative-sort @test[0], @test[1];
+}
diff --git a/stats/pwc-current.json b/stats/pwc-current.json
index a2a3dc3660..6b71d1d218 100644
--- a/stats/pwc-current.json
+++ b/stats/pwc-current.json
@@ -1,22 +1,168 @@
 {
+   "series" : [
+      {
+         "colorByPoint" : 1,
+         "data" : [
+            {
+               "y" : 2,
+               "drilldown" : "Cheok-Yin Fung",
+               "name" : "Cheok-Yin Fung"
+            },
+            {
+               "drilldown" : "Dave Jacoby",
+               "y" : 2,
+               "name" : "Dave Jacoby"
+            },
+            {
+               "y" : 2,
+               "drilldown" : "David Ferrone",
+               "name" : "David Ferrone"
+            },
+            {
+               "drilldown" : "Feng Chang",
+               "y" : 2,
+               "name" : "Feng Chang"
+            },
+            {
+               "name" : "Kjetil Skotheim",
+               "y" : 2,
+               "drilldown" : "Kjetil Skotheim"
+            },
+            {
+               "name" : "Laurent Rosenfeld",
+               "drilldown" : "Laurent Rosenfeld",
+               "y" : 6
+            },
+            {
+               "drilldown" : "Mariano Spadaccini",
+               "y" : 2,
+               "name" : "Mariano Spadaccini"
+            },
+            {
+               "drilldown" : "Mark Anderson",
+               "y" : 2,
+               "name" : "Mark Anderson"
+            },
+            {
+               "name" : "Matthew Neleigh",
+               "y" : 2,
+               "drilldown" : "Matthew Neleigh"
+            },
+            {
+               "name" : "Niels van Dijke",
+               "y" : 2,
+               "drilldown" : "Niels van Dijke"
+            },
+            {
+               "drilldown" : "Packy Anderson",
+               "y" : 5,
+               "name" : "Packy Anderson"
+            },
+            {
+               "name" : "Paulo Custodio",
+               "y" : 2,
+               "drilldown" : "Paulo Custodio"
+            },
+            {
+               "y" : 3,
+               "drilldown" : "Peter Campbell Smith",
+               "name" : "Peter Campbell Smith"
+            },
+            {
+               "drilldown" : "Peter Meszaros",
+               "y" : 2,
+               "name" : "Peter Meszaros"
+            },
+            {
+               "name" : "Robbie Hatley",
+               "y" : 3,
+               "drilldown" : "Robbie Hatley"
+            },
+            {
+               "y" : 4,
+               "drilldown" : "Roger Bell_West",
+               "name" : "Roger Bell_West"
+            },
+            {
+               "name" : "Thomas Kohler",
+               "drilldown" : "Thomas Kohler",
+               "y" : 4
+            },
+            {
+               "drilldown" : "Torgny Lyon",
+               "y" : 2,
+               "name" : "Torgny Lyon"
+            },
+            {
+               "drilldown" : "Ulrich Rieke",
+               "y" : 4,
+               "name" : "Ulrich Rieke"
+            },
+            {
+               "name" : "W. Luis Mochan",
+               "drilldown" : "W. Luis Mochan",
+               "y" : 3
+            }
+         ],
+         "name" : "The Weekly Challenge - 284"
+      }
+   ],
+   "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/>"
+   },
    "chart" : {
       "type" : "column"
    },
+   "xAxis" : {
+      "type" : "category"
+   },
+   "plotOptions" : {
+      "series" : {
+         "borderWidth" : 0,
+         "dataLabels" : {
+            "format" : "{point.y}",
+            "enabled" : 1
+         }
+      }
+   },
+   "title" : {
+      "text" : "The Weekly Challenge - 284"
+   },
+   "yAxis" : {
+      "title" : {
+         "text" : "Total Solutions"
+      }
+   },
+   "subtitle" : {
+      "text" : "[Champions: 20] Last updated at 2024-08-27 21:01:16 GMT"
+   },
    "drilldown" : {
       "series" : [
          {
-            "id" : "Cheok-Yin Fung",
+            "name" : "Cheok-Yin Fung",
             "data" : [
                [
                   "Perl",
                   2
                ]
             ],
-            "name" : "Cheok-Yin Fung"
+            "id" : "Cheok-Yin Fung"
+         },
+         {
+            "name" : "Dave Jacoby",
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ]
+            ],
+            "id" : "Dave Jacoby"
          },
          {
-            "name" : "David Ferrone",
             "id" : "David Ferrone",
+            "name" : "David Ferrone",
             "data" : [
                [
                   "Perl",
@@ -25,62 +171,62 @@
             ]
          },
          {
+            "id" : "Feng Chang",
             "data" : [
                [
                   "Raku",
                   2
                ]
             ],
-            "id" : "Feng Chang",
             "name" : "Feng Chang"
          },
          {
+            "id" : "Kjetil Skotheim",
             "name" : "Kjetil Skotheim",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ],
-            "id" : "Kjetil Skotheim"
+            ]
          },
          {
-            "id" : "Laurent Rosenfeld",
+            "name" : "Laurent Rosenfeld",
             "data" : [
                [
                   "Perl",
-                  1
+                  2
                ],
                [
                   "Raku",
-                  1
+                  2
                ],
                [
                   "Blog",
-                  1
+                  2
                ]
             ],
-            "name" : "Laurent Rosenfeld"
+            "id" : "Laurent Rosenfeld"
          },
          {
-            "name" : "Mariano Spadaccini",
+            "id" : "Mariano Spadaccini",
             "data" : [
                [
                   "Perl",
                   2
                ]
             ],
-            "id" : "Mariano Spadaccini"
+            "name" : "Mariano Spadaccini"
          },
          {
-            "name" : "Mark Anderson",
             "id" : "Mark Anderson",
             "data" : [
                [
                   "Raku",
                   2
                ]
-            ]
+            ],
+            "name" : "Mark Anderson"
          },
          {
             "data" : [
@@ -89,12 +235,22 @@
                   2
                ]
             ],
+            "name" : "Matthew Neleigh",
+            "id" : "Matthew Neleigh"
+         },
+         {
             "id" : "Niels van Dijke",
-            "name" : "Niels van Dijke"
+            "name" : "Niels van Dijke",
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ]
+            ]
          },
          {
-            "name" : "Packy Anderson",
             "id" : "Packy Anderson",
+            "name" : "Packy Anderson",
             "data" : [
                [
                   "Perl",
@@ -111,8 +267,8 @@
             ]
          },
          {
-            "name" : "Paulo Custodio",
             "id" : "Paulo Custodio",
+            "name" : "Paulo Custodio",
             "data" : [
                [
                   "Perl",
@@ -121,6 +277,7 @@
             ]
          },
          {
+            "id" : "Peter Campbell Smith",
             "data" : [
                [
                   "Perl",
@@ -131,22 +288,20 @@
                   1
                ]
             ],
-            "id" : "Peter Campbell Smith",
             "name" : "Peter Campbell Smith"
          },
          {
-            "name" : "Peter Meszaros",
             "data" : [
                [
                   "Perl",
                   2
                ]
             ],
+            "name" : "Peter Meszaros",
             "id" : "Peter Meszaros"
          },
          {
             "name" : "Robbie Hatley",
-            "id" : "Robbie Hatley",
             "data" : [
                [
                   "Perl",
@@ -156,7 +311,8 @@
                   "Blog",
                   1
                ]
-            ]
+            ],
+            "id" : "Robbie Hatley"
          },
          {
             "data" : [
@@ -169,12 +325,12 @@
                   2
                ]
             ],
-            "id" : "Roger Bell_West",
-            "name" : "Roger Bell_West"
+            "name" : "Roger Bell_West",
+            "id" : "Roger Bell_West"
          },
          {
-            "name" : "Thomas Kohler",
             "id" : "Thomas Kohler",
+            "name" : "Thomas Kohler",
             "data" : [
                [
                   "Perl",
@@ -211,7 +367,6 @@
             "name" : "Ulrich Rieke"
          },
          {
-            "name" : "W. Luis Mochan",
             "data" : [
                [
                   "Perl",
@@ -222,136 +377,11 @@
                   1
                ]
             ],
+            "name" : "W. Luis Mochan",
             "id" : "W. Luis Mochan"
          }
       ]
    },
-   "yAxis" : {
-      "title" : {
-         "text" : "Total Solutions"
-      }
-   },
-   "subtitle" : {
-      "text" : "[Champions: 18] Last updated at 2024-08-27 11:43:58 GMT"
-   },
-   "title" : {
-      "text" : "The Weekly Challenge - 284"
-   },
-   "xAxis" : {
-      "type" : "category"
-   },
-   "series" : [
-      {
-         "name" : "The Weekly Challenge - 284",
-         "colorByPoint" : 1,
-         "data" : [
-            {
-               "name" : "Cheok-Yin Fung",
-               "drilldown" : "Cheok-Yin Fung",
-               "y" : 2
-            },
-            {
-               "drilldown" : "David Ferrone",
-               "y" : 2,
-               "name" : "David Ferrone"
-            },
-            {
-               "name" : "Feng Chang",
-               "drilldown" : "Feng Chang",
-               "y" : 2
-            },
-            {
-               "drilldown" : "Kjetil Skotheim",
-               "y" : 2,
-               "name" : "Kjetil Skotheim"
-            },
-            {
-               "y" : 3,
-               "drilldown" : "Laurent Rosenfeld",
-               "name" : "Laurent Rosenfeld"
-            },
-            {
-               "name" : "Mariano Spadaccini",
-               "y" : 2,
-               "drilldown" : "Mariano Spadaccini"
-            },
-            {
-               "drilldown" : "Mark Anderson",
-               "y" : 2,
-               "name" : "Mark Anderson"
-            },
-            {
-               "drilldown" : "Niels van Dijke",
-               "y" : 2,
-               "name" : "Niels van Dijke"
-            },
-            {
-               "name" : "Packy Anderson",
-               "y" : 5,
-               "drilldown" : "Packy Anderson"
-            },
-            {
-               "drilldown" : "Paulo Custodio",
-               "y" : 2,
-               "name" : "Paulo Custodio"
-            },
-            {
-               "name" : "Peter Campbell Smith",
-               "y" : 3,
-               "drilldown" : "Peter Campbell Smith"
-            },
-            {
-               "y" : 2,
-               "drilldown" : "Peter Meszaros",
-               "name" : "Peter Meszaros"
-            },
-            {
-               "name" : "Robbie Hatley",
-               "drilldown" : "Robbie Hatley",
-               "y" : 3
-            },
-            {
-               "name" : "Roger Bell_West",
-               "drilldown" : "Roger Bell_West",
-               "y" : 4
-            },
-            {
-               "y" : 4,
-               "drilldown" : "Thomas Kohler",
-               "name" : "Thomas Kohler"
-            },
-            {
-               "name" : "Torgny Lyon",
-               "y" : 2,
-               "drilldown" : "Torgny Lyon"
-            },
-            {
-               "name" : "Ulrich Rieke",
-               "y" : 4,
-               "drilldown" : "Ulrich Rieke"
-            },
-            {
-               "drilldown" : "W. Luis Mochan",
-               "y" : 3,
-               "name" : "W. Luis Mochan"
-            }
-         ]
-      }
-   ],
-   "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
-   },
-   "plotOptions" : {
-      "series" : {
-         "borderWidth" : 0,
-         "dataLabels" : {
-            "enabled" : 1,
-            "format" : "{point.y}"
-         }
-      }
-   },
    "legend" : {
       "enabled" : 0
    }
diff --git a/stats/pwc-language-breakdown-2019.json b/stats/pwc-language-breakdown-2019.json
index 1c174c7184..49128ee78f 100644
--- a/stats/pwc-language-breakdown-2019.json
+++ b/stats/pwc-language-breakdown-2019.json
@@ -1,16 +1,236 @@
 {
-   "yAxis" : {
-      "title" : {
-         "text" : "Total Solutions"
+   "xAxis" : {
+      "type" : "category"
+   },
+   "chart" : {
+      "type" : "column"
+   },
+   "series" : [
+      {
+         "data" : [
+            {
+               "name" : "041",
+               "y" : 80,
+               "drilldown" : "041"
+            },
+            {
+               "drilldown" : "040",
+               "y" : 77,
+               "name" : "040"
+            },
+            {
+               "name" : "039",
+               "drilldown" : "039",
+               "y" : 68
+            },
+            {
+               "name" : "038",
+               "drilldown" : "038",
+               "y" : 74
+            },
+            {
+               "name" : "037",
+               "y" : 70,
+               "drilldown" : "037"
+            },
+            {
+               "drilldown" : "036",
+               "y" : 70,
+               "name" : "036"
+            },
+            {
+               "name" : "035",
+               "y" : 68,
+               "drilldown" : "035"
+            },
+            {
+               "name" : "034",
+               "drilldown" : "034",
+               "y" : 70
+            },
+            {
+               "name" : "033",
+               "drilldown" : "033",
+               "y" : 113
+            },
+            {
+               "name" : "032",
+               "drilldown" : "032",
+               "y" : 97
+            },
+            {
+               "drilldown" : "031",
+               "y" : 93,
+               "name" : "031"
+            },
+            {
+               "name" : "030",
+               "y" : 120,
+               "drilldown" : "030"
+            },
+            {
+               "drilldown" : "029",
+               "y" : 83,
+               "name" : "029"
+            },
+            {
+               "name" : "028",
+               "y" : 82,
+               "drilldown" : "028"
+            },
+            {
+               "drilldown" : "027",
+               "y" : 64,
+               "name" : "027"
+            },
+            {
+               "y" : 75,
+               "drilldown" : "026",
+               "name" : "026"
+            },
+            {
+               "name" : "025",
+               "y" : 62,
+               "drilldown" : "025"
+            },
+            {
+               "y" : 77,
+               "drilldown" : "024",
+               "name" : "024"
+            },
+            {
+               "name" : "023",
+               "drilldown" : "023",
+               "y" : 88
+            },
+            {
+               "drilldown" : "022",
+               "y" : 72,
+               "name" : "022"
+            },
+            {
+               "drilldown" : "021",
+               "y" : 72,
+               "name" : "021"
+            },
+            {
+               "drilldown" : "020",
+               "y" : 100,
+               "name" : "020"
+            },
+            {
+               "drilldown" : "019",
+               "y" : 101,
+               "name" : "019"
+            },
+            {
+               "name" : "018",
+               "drilldown" : "018",
+               "y" : 82
+            },
+            {
+               "y" : 83,
+               "drilldown" : "017",
+               "name" : "017"
+            },
+            {
+               "drilldown" : "016",
+               "y" : 75,
+               "name" : "016"
+            },
+            {
+               "name" : "015",
+               "y" : 95,
+               "drilldown" : "015"
+            },
+            {
+               "drilldown" : "014",
+               "y" : 98,
+               "name" : "014"
+            },
+            {
+               "name" : "013",
+               "drilldown" : "013",
+               "y" : 85
+            },
+            {
+               "name" : "012",
+               "drilldown" : "012",
+               "y" : 90
+            },
+            {
+               "y" : 86,
+               "drilldown" : "011",
+               "name" : "011"
+            },
+            {
+               "y" : 69,
+               "drilldown" : "010",
+               "name" : "010"
+            },
+            {
+               "name" : "009",
+               "drilldown" : "009",
+               "y" : 79
+            },
+            {
+               "drilldown" : "008",
+               "y" : 82,
+               "name" : "008"
+            },
+            {
+               "name" : "007",
+               "drilldown" : "007",
+               "y" : 71
+            },
+            {
+               "y" : 63,
+               "drilldown" : "006",
+               "name" : "006"
+            },
+            {
+               "drilldown" : "005",
+               "y" : 82,
+               "name" : "005"
+            },
+            {
+               "name" : "004",
+               "drilldown" : "004",
+               "y" : 106
+            },
+            {
+               "y" : 91,
+               "drilldown" : "003",
+               "name" : "003"
+            },
+            {
+               "drilldown" : "002",
+               "y" : 133,
+               "name" : "002"
+            },
+            {
+               "name" : "001",
+               "drilldown" : "001",
+               "y" : 165
+            }
+         ],
+         "name" : "The Weekly Challenge Languages",
+         "colorByPoint" : "true"
       }
+   ],
+   "tooltip" : {
+      "followPointer" : "true",
+      "headerFormat" : "<span style=\"font-size:11px\"></span>",
+      "pointFormat" : "<span style=\"color:{point.color}\">Challenge {point.name}</span>: <b>{point.y:f}</b><br/>"
    },
-   "subtitle" : {
-      "text" : "Click the columns to drilldown the language breakdown. Last updated at 2024-08-27 11:43:58 GMT"
+   "legend" : {
+      "enabled" : "false"
    },
    "drilldown" : {
       "series" : [
          {
             "id" : "041",
+            "name" : "041",
             "data" : [
                [
                   "Perl",
@@ -24,12 +244,9 @@
                   "Blog",
                   9
                ]
-            ],
-            "name" : "041"
+            ]
          },
          {
-            "name" : "040",
-            "id" : "040",
             "data" : [
                [
                   "Perl",
@@ -43,10 +260,12 @@
                   "Blog",
                   10
                ]
-            ]
+            ],
+            "name" : "040",
+            "id" : "040"
          },
          {
-            "name" : "039",
+            "id" : "039",
             "data" : [
                [
                   "Perl",
@@ -61,10 +280,11 @@
                   12
                ]
             ],
-            "id" : "039"
+            "name" : "039"
          },
          {
             "id" : "038",
+            "name" : "038",
             "data" : [
                [
                   "Perl",
@@ -78,10 +298,10 @@
                   "Blog",
                   12
                ]
-            ],
-            "name" : "038"
+            ]
          },
          {
+            "name" : "037",
             "data" : [
                [
                   "Perl",
@@ -96,10 +316,10 @@
                   9
                ]
             ],
-            "id" : "037",
-            "name" : "037"
+            "id" : "037"
          },
          {
+            "id" : "036",
             "data" : [
                [
                   "Perl",
@@ -114,7 +334,6 @@
                   11
                ]
             ],
-            "id" : "036",
             "name" : "036"
          },
          {
@@ -136,8 +355,6 @@
             "id" : "035"
          },
          {
-            "name" : "034",
-            "id" : "034",
             "data" : [
                [
                   "Perl",
@@ -151,10 +368,12 @@
                   "Blog",
                   11
                ]
-            ]
+            ],
+            "name" : "034",
+            "id" : "034"
          },
          {
-            "name" : "033",
+            "id" : "033",
             "data" : [
                [
                   "Perl",
@@ -169,9 +388,11 @@
                   10
                ]
             ],
-            "id" : "033"
+            "name" : "033"
          },
          {
+            "id" : "032",
+            "name" : "032",
             "data" : [
                [
                   "Perl",
@@ -185,11 +406,11 @@
                   "Blog",
                   10
                ]
-            ],
-            "id" : "032",
-            "name" : "032"
+            ]
          },
          {
+            "id" : "031",
+            "name" : "031",
             "data" : [
                [
                   "Perl",
@@ -203,13 +424,10 @@
                   "Blog",
                   9
                ]
-            ],
-            "id" : "031",
-            "name" : "031"
+            ]
          },
          {
             "name" : "030",
-            "id" : "030",
             "data" : [
                [
                   "Perl",
@@ -223,10 +441,10 @@
                   "Blog",
                   10
                ]
-            ]
+            ],
+            "id" : "030"
          },
          {
-            "name" : "029",
             "data" : [
                [
                   "Perl",
@@ -241,10 +459,10 @@
                   12
                ]
             ],
+            "name" : "029",
             "id" : "029"
          },
          {
-            "id" : "028",
             "data" : [
                [
                   "Perl",
@@ -259,9 +477,11 @@
                   9
                ]
             ],
-            "name" : "028"
+            "name" : "028",
+            "id" : "028"
          },
          {
+            "id" : "027",
             "data" : [
                [
                   "Perl",
@@ -276,11 +496,9 @@
                   9