- Added solution by Olivier Delouya.

16 files changed, 1870 insertions, 1781 deletions

diff --git a/challenge-139/olivier-delouya/perl/ch-1.sh b/challenge-139/olivier-delouya/perl/ch-1.sh
new file mode 100644
index 0000000000..6f02c2812c
--- /dev/null
+++ b/challenge-139/olivier-delouya/perl/ch-1.sh
@@ -0,0 +1,3 @@
+perl -se "@N=eval($N); $I=scalar(@N)-1; for($i=0; $i<$I; $i++) { exit(print 0) if($N[$i] > $N[$i+1]);} print 1;" -- -N="(1,2,3,4,5)"
+
+perl -se "@N=eval($N); $I=scalar(@N)-1; for($i=0; $i<$I; $i++) { exit(print 0) if($N[$i] > $N[$i+1]);} print 1;" -- -N="(1,3,2,4,5)"
diff --git a/stats/pwc-challenge-138.json b/stats/pwc-challenge-138.json
new file mode 100644
index 0000000000..4f68fd3610
--- /dev/null
+++ b/stats/pwc-challenge-138.json
@@ -0,0 +1,635 @@
+{
+   "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
+   },
+   "series" : [
+      {
+         "colorByPoint" : 1,
+         "name" : "The Weekly Challenge - 138",
+         "data" : [
+            {
+               "drilldown" : "Abigail",
+               "name" : "Abigail",
+               "y" : 4
+            },
+            {
+               "name" : "Andrew Shitov",
+               "y" : 1,
+               "drilldown" : "Andrew Shitov"
+            },
+            {
+               "drilldown" : "Arne Sommer",
+               "y" : 4,
+               "name" : "Arne Sommer"
+            },
+            {
+               "name" : "Athanasius",
+               "y" : 4,
+               "drilldown" : "Athanasius"
+            },
+            {
+               "name" : "Bob Lied",
+               "y" : 2,
+               "drilldown" : "Bob Lied"
+            },
+            {
+               "y" : 5,
+               "name" : "Bruce Gray",
+               "drilldown" : "Bruce Gray"
+            },
+            {
+               "drilldown" : "Cheok-Yin Fung",
+               "name" : "Cheok-Yin Fung",
+               "y" : 3
+            },
+            {
+               "y" : 2,
+               "name" : "Colin Crain",
+               "drilldown" : "Colin Crain"
+            },
+            {
+               "y" : 3,
+               "name" : "Dave Jacoby",
+               "drilldown" : "Dave Jacoby"
+            },
+            {
+               "drilldown" : "Duncan C. White",
+               "name" : "Duncan C. White",
+               "y" : 2
+            },
+            {
+               "drilldown" : "E. Choroba",
+               "name" : "E. Choroba",
+               "y" : 2
+            },
+            {
+               "y" : 6,
+               "name" : "Flavio Poletti",
+               "drilldown" : "Flavio Poletti"
+            },
+            {
+               "drilldown" : "Jaldhar H. Vyas",
+               "name" : "Jaldhar H. Vyas",
+               "y" : 5
+            },
+            {
+               "drilldown" : "James Smith",
+               "y" : 3,
+               "name" : "James Smith"
+            },
+            {
+               "name" : "Jan Krnavek",
+               "y" : 2,
+               "drilldown" : "Jan Krnavek"
+            },
+            {
+               "drilldown" : "Jorg Sommrey",
+               "name" : "Jorg Sommrey",
+               "y" : 2
+            },
+            {
+               "y" : 5,
+               "name" : "Laurent Rosenfeld",
+               "drilldown" : "Laurent Rosenfeld"
+            },
+            {
+               "drilldown" : "Lubos Kolouch",
+               "name" : "Lubos Kolouch",
+               "y" : 2
+            },
+            {
+               "drilldown" : "Luca Ferrari",
+               "name" : "Luca Ferrari",
+               "y" : 6
+            },
+            {
+               "name" : "Mark Anderson",
+               "y" : 2,
+               "drilldown" : "Mark Anderson"
+            },
+            {
+               "drilldown" : "Matthew Neleigh",
+               "name" : "Matthew Neleigh",
+               "y" : 1
+            },
+            {
+               "name" : "Mohammad S Anwar",
+               "y" : 2,
+               "drilldown" : "Mohammad S Anwar"
+            },
+            {
+               "name" : "Niels van Dijke",
+               "y" : 2,
+               "drilldown" : "Niels van Dijke"
+            },
+            {
+               "drilldown" : "Paulo Custodio",
+               "name" : "Paulo Custodio",
+               "y" : 2
+            },
+            {
+               "y" : 2,
+               "name" : "Pete Houston",
+               "drilldown" : "Pete Houston"
+            },
+            {
+               "y" : 2,
+               "name" : "Peter Campbell Smith",
+               "drilldown" : "Peter Campbell Smith"
+            },
+            {
+               "drilldown" : "Robert DiCicco",
+               "y" : 2,
+               "name" : "Robert DiCicco"
+            },
+            {
+               "drilldown" : "Roger Bell_West",
+               "y" : 5,
+               "name" : "Roger Bell_West"
+            },
+            {
+               "drilldown" : "Simon Green",
+               "y" : 3,
+               "name" : "Simon Green"
+            },
+            {
+               "drilldown" : "Steven Wilson",
+               "name" : "Steven Wilson",
+               "y" : 2
+            },
+            {
+               "drilldown" : "Ulrich Rieke",
+               "name" : "Ulrich Rieke",
+               "y" : 4
+            },
+            {
+               "y" : 3,
+               "name" : "W. Luis Mochan",
+               "drilldown" : "W. Luis Mochan"
+            },
+            {
+               "drilldown" : "Wanderdoc",
+               "y" : 2,
+               "name" : "Wanderdoc"
+            }
+         ]
+      }
+   ],
+   "subtitle" : {
+      "text" : "[Champions: 33] Last updated at 2021-11-16 12:40:20 GMT"
+   },
+   "yAxis" : {
+      "title" : {
+         "text" : "Total Solutions"
+      }
+   },
+   "xAxis" : {
+      "type" : "category"
+   },
+   "chart" : {
+      "type" : "column"
+   },
+   "legend" : {
+      "enabled" : 0
+   },
+   "title" : {
+      "text" : "The Weekly Challenge - 138"
+   },
+   "drilldown" : {
+      "series" : [
+         {
+            "id" : "Abigail",
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Blog",
+                  2
+               ]
+            ],
+            "name" : "Abigail"
+         },
+         {
+            "name" : "Andrew Shitov",
+            "data" : [
+               [
+                  "Raku",
+                  1
+               ]
+            ],
+            "id" : "Andrew Shitov"
+         },
+         {
+            "name" : "Arne Sommer",
+            "data" : [
+               [
+                  "Perl",
+                  1
+               ],
+               [
+                  "Raku",
+                  2
+               ],
+               [
+                  "Blog",
+                  1
+               ]
+            ],
+            "id" : "Arne Sommer"
+         },
+         {
+            "name" : "Athanasius",
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Raku",
+                  2
+               ]
+            ],
+            "id" : "Athanasius"
+         },
+         {
+            "id" : "Bob Lied",
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ]
+            ],
+            "name" : "Bob Lied"
+         },
+         {
+            "name" : "Bruce Gray",
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Raku",
+                  2
+               ],
+               [
+                  "Blog",
+                  1
+               ]
+            ],
+            "id" : "Bruce Gray"
+         },
+         {
+            "id" : "Cheok-Yin Fung",
+            "name" : "Cheok-Yin Fung",
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Blog",
+                  1
+               ]
+            ]
+         },
+         {
+            "name" : "Colin Crain",
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ]
+            ],
+            "id" : "Colin Crain"
+         },
+         {
+            "id" : "Dave Jacoby",
+            "name" : "Dave Jacoby",
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Blog",
+                  1
+               ]
+            ]
+         },
+         {
+            "name" : "Duncan C. White",
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ]
+            ],
+            "id" : "Duncan C. White"
+         },
+         {
+            "name" : "E. Choroba",
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ]
+            ],
+            "id" : "E. Choroba"
+         },
+         {
+            "id" : "Flavio Poletti",
+            "name" : "Flavio Poletti",
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Raku",
+                  2
+               ],
+               [
+                  "Blog",
+                  2
+               ]
+            ]
+         },
+         {
+            "name" : "Jaldhar H. Vyas",
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Raku",
+                  2
+               ],
+               [
+                  "Blog",
+                  1
+               ]
+            ],
+            "id" : "Jaldhar H. Vyas"
+         },
+         {
+            "id" : "James Smith",
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Blog",
+                  1
+               ]
+            ],
+            "name" : "James Smith"
+         },
+         {
+            "data" : [
+               [
+                  "Raku",
+                  2
+               ]
+            ],
+            "name" : "Jan Krnavek",
+            "id" : "Jan Krnavek"
+         },
+         {
+            "id" : "Jorg Sommrey",
+            "name" : "Jorg Sommrey",
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ]
+            ]
+         },
+         {
+            "id" : "Laurent Rosenfeld",
+            "name" : "Laurent Rosenfeld",
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Raku",
+                  2
+               ],
+               [
+                  "Blog",
+                  1
+               ]
+            ]
+         },
+         {
+            "id" : "Lubos Kolouch",
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ]
+            ],
+            "name" : "Lubos Kolouch"
+         },
+         {
+            "data" : [
+               [
+                  "Raku",
+                  2
+               ],
+               [
+                  "Blog",
+                  4
+               ]
+            ],
+            "name" : "Luca Ferrari",
+            "id" : "Luca Ferrari"
+         },
+         {
+            "name" : "Mark Anderson",
+            "data" : [
+               [
+                  "Raku",
+                  2
+               ]
+            ],
+            "id" : "Mark Anderson"
+         },
+         {
+            "id" : "Matthew Neleigh",
+            "name" : "Matthew Neleigh",
+            "data" : [
+               [
+                  "Perl",
+                  1
+               ]
+            ]
+         },
+         {
+            "name" : "Mohammad S Anwar",
+            "data" : [
+               [
+                  "Perl",
+                  1
+               ],
+               [
+                  "Raku",
+                  1
+               ]
+            ],
+            "id" : "Mohammad S Anwar"
+         },
+         {
+            "id" : "Niels van Dijke",
+            "name" : "Niels van Dijke",
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ]
+            ]
+         },
+         {
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ]
+            ],
+            "name" : "Paulo Custodio",
+            "id" : "Paulo Custodio"
+         },
+         {
+            "id" : "Pete Houston",
+            "name" : "Pete Houston",
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ]
+            ]
+         },
+         {
+            "id" : "Peter Campbell Smith",
+            "name" : "Peter Campbell Smith",
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ]
+            ]
+         },
+         {
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ]
+            ],
+            "name" : "Robert DiCicco",
+            "id" : "Robert DiCicco"
+         },
+         {
+            "name" : "Roger Bell_West",
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Raku",
+                  2
+               ],
+               [
+                  "Blog",
+                  1
+               ]
+            ],
+            "id" : "Roger Bell_West"
+         },
+         {
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Blog",
+                  1
+               ]
+            ],
+            "name" : "Simon Green",
+            "id" : "Simon Green"
+         },
+         {
+            "name" : "Steven Wilson",
+            "data" : [
+               [
+                  "Perl",
+                  1
+               ],
+               [
+                  "Blog",
+                  1
+               ]
+            ],
+            "id" : "Steven Wilson"
+         },
+         {
+            "id" : "Ulrich Rieke",
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Raku",
+                  2
+               ]
+            ],
+            "name" : "Ulrich Rieke"
+         },
+         {
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ],
+               [
+                  "Blog",
+                  1
+               ]
+            ],
+            "name" : "W. Luis Mochan",
+            "id" : "W. Luis Mochan"
+         },
+         {
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ]
+            ],
+            "name" : "Wanderdoc",
+            "id" : "Wanderdoc"
+         }
+      ]
+   },
+   "plotOptions" : {
+      "series" : {
+         "dataLabels" : {
+            "format" : "{point.y}",
+            "enabled" : 1
+         },
+         "borderWidth" : 0
+      }
+   }
+}
diff --git a/stats/pwc-current.json b/stats/pwc-current.json
index 453b74473c..7c24f8da45 100644
--- a/stats/pwc-current.json
+++ b/stats/pwc-current.json
@@ -1,635 +1,63 @@
 {
-   "legend" : {
-      "enabled" : 0
+   "plotOptions" : {
+      "series" : {
+         "borderWidth" : 0,
+         "dataLabels" : {
+            "enabled" : 1,
+            "format" : "{point.y}"
+         }
+      }
    },
    "yAxis" : {
       "title" : {
          "text" : "Total Solutions"
       }
    },
-   "chart" : {
-      "type" : "column"
-   },
    "title" : {
-      "text" : "The Weekly Challenge - 138"
+      "text" : "The Weekly Challenge - 139"
    },
-   "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
+   "xAxis" : {
+      "type" : "category"
    },
-   "plotOptions" : {
-      "series" : {
-         "dataLabels" : {
-            "enabled" : 1,
-            "format" : "{point.y}"
-         },
-         "borderWidth" : 0
-      }
+   "legend" : {
+      "enabled" : 0
+   },
+   "subtitle" : {
+      "text" : "[Champions: 1] Last updated at 2021-11-16 12:42:13 GMT"
    },
-   "series" : [
-      {
-         "data" : [
-            {
-               "y" : 4,
-               "name" : "Abigail",
-               "drilldown" : "Abigail"
-            },
-            {
-               "y" : 1,
-               "name" : "Andrew Shitov",
-               "drilldown" : "Andrew Shitov"
-            },
-            {
-               "drilldown" : "Arne Sommer",
-               "y" : 4,
-               "name" : "Arne Sommer"
-            },
-            {
-               "drilldown" : "Athanasius",
-               "name" : "Athanasius",
-               "y" : 4
-            },
-            {
-               "y" : 2,
-               "name" : "Bob Lied",
-               "drilldown" : "Bob Lied"
-            },
-            {
-               "name" : "Bruce Gray",
-               "y" : 5,
-               "drilldown" : "Bruce Gray"
-            },
-            {
-               "drilldown" : "Cheok-Yin Fung",
-               "name" : "Cheok-Yin Fung",
-               "y" : 3
-            },
-            {
-               "drilldown" : "Colin Crain",
-               "y" : 2,
-               "name" : "Colin Crain"
-            },
-            {
-               "y" : 3,
-               "name" : "Dave Jacoby",
-               "drilldown" : "Dave Jacoby"
-            },
-            {
-               "name" : "Duncan C. White",
-               "y" : 2,
-               "drilldown" : "Duncan C. White"
-            },
-            {
-               "name" : "E. Choroba",
-               "y" : 2,
-               "drilldown" : "E. Choroba"
-            },
-            {
-               "y" : 6,
-               "name" : "Flavio Poletti",
-               "drilldown" : "Flavio Poletti"
-            },
-            {
-               "y" : 5,
-               "name" : "Jaldhar H. Vyas",
-               "drilldown" : "Jaldhar H. Vyas"
-            },
-            {
-               "name" : "James Smith",
-               "y" : 3,
-               "drilldown" : "James Smith"
-            },
-            {
-               "name" : "Jan Krnavek",
-               "y" : 2,
-               "drilldown" : "Jan Krnavek"
-            },
-            {
-               "drilldown" : "Jorg Sommrey",
-               "y" : 2,
-               "name" : "Jorg Sommrey"
-            },
-            {
-               "drilldown" : "Laurent Rosenfeld",
-               "y" : 5,
-               "name" : "Laurent Rosenfeld"
-            },
-            {
-               "drilldown" : "Lubos Kolouch",
-               "name" : "Lubos Kolouch",
-               "y" : 2
-            },
-            {
-               "name" : "Luca Ferrari",
-               "y" : 6,
-               "drilldown" : "Luca Ferrari"
-            },
-            {
-               "drilldown" : "Mark Anderson",
-               "name" : "Mark Anderson",
-               "y" : 2
-            },
-            {
-               "y" : 1,
-               "name" : "Matthew Neleigh",
-               "drilldown" : "Matthew Neleigh"
-            },
-            {
-               "drilldown" : "Mohammad S Anwar",
-               "y" : 2,
-               "name" : "Mohammad S Anwar"
-            },
-            {
-               "drilldown" : "Niels van Dijke",
-               "y" : 2,
-               "name" : "Niels van Dijke"
-            },
-            {
-               "drilldown" : "Paulo Custodio",
-               "y" : 2,
-               "name" : "Paulo Custodio"
-            },
-            {
-               "name" : "Pete Houston",
-               "y" : 2,
-               "drilldown" : "Pete Houston"
-            },
-            {
-               "drilldown" : "Peter Campbell Smith",
-               "name" : "Peter Campbell Smith",
-               "y" : 2
-            },
-            {
-               "name" : "Robert DiCicco",
-               "y" : 2,
-               "drilldown" : "Robert DiCicco"
-            },
-            {
-               "y" : 5,
-               "name" : "Roger Bell_West",
-               "drilldown" : "Roger Bell_West"
-            },
-            {
-               "name" : "Simon Green",
-               "y" : 3,
-               "drilldown" : "Simon Green"
-            },
-            {
-               "drilldown" : "Steven Wilson",
-               "y" : 2,
-               "name" : "Steven Wilson"
-            },
-            {
-               "drilldown" : "Ulrich Rieke",
-               "y" : 4,
-               "name" : "Ulrich Rieke"
-            },
-            {
-               "drilldown" : "W. Luis Mochan",
-               "name" : "W. Luis Mochan",
-               "y" : 3
-            },
-            {
-               "name" : "Wanderdoc",
-               "y" : 2,
-               "drilldown" : "Wanderdoc"
-            }
-         ],
-         "colorByPoint" : 1,
-         "name" : "The Weekly Challenge - 138"
-      }
-   ],
    "drilldown" : {
       "series" : [
          {
-            "id" : "Abigail",
-            "data" : [
-               [
-                  "Perl",
-                  2
-               ],
-               [
-                  "Blog",
-                  2
-               ]
-            ],
-            "name" : "Abigail"
-         },
-         {
-            "id" : "Andrew Shitov",
-            "name" : "Andrew Shitov",
-            "data" : [
-               [
-                  "Raku",
-                  1
-               ]
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-         },
-         {
-            "id" : "Arne Sommer",
-            "data" : [
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-                  "Perl",
-                  1
-               ],
-               [
-                  "Raku",
-                  2
-               ],
-               [
-                  "Blog",
-                  1
-               ]
-            ],
-            "name" : "Arne Sommer"
-         },
-         {
-            "name" : "Athanasius",
-            "data" : [
-               [
-                  "Perl",
-                  2
-               ],
-               [
-                  "Raku",
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-            ],
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-            "id" : "Flavio Poletti"
-         },
-         {
-            "name" : "Jaldhar H. Vyas",
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                [
                   "Perl",
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