- Added solution by Olivier Delouya.

15 files changed, 1595 insertions, 1560 deletions

diff --git a/challenge-153/olivier-delouya/perl/ch-2.pl b/challenge-153/olivier-delouya/perl/ch-2.pl
new file mode 100644
index 0000000000..976c0db85a
--- /dev/null
+++ b/challenge-153/olivier-delouya/perl/ch-2.pl
@@ -0,0 +1,20 @@
+# !/bin/perl is_factorion.pl NNN
+
+use strict;
+
+sub factorial
+    {
+    my $fact = 1;
+    $fact *= $_ foreach (2..$_[0]);
+    $fact;
+    }
+
+sub is_factorion
+    {
+    my ($len, $ord_0, $digfactsum) = (length($_[0]), ord('0'), 0);
+    for(my $i=0; $i<$len; $i++) { $digfactsum += factorial(vec($_[0], $i, 8) - $ord_0); }
+                                                                           # ^ minus the ascii digits range offset
+    (($digfactsum == $_[0])? 1:0);
+    }
+
+print is_factorion($ARGV[0]);
diff --git a/stats/pwc-current.json b/stats/pwc-current.json
index 765e6053bc..0d73f8f0d1 100644
--- a/stats/pwc-current.json
+++ b/stats/pwc-current.json
@@ -1,25 +1,124 @@
 {
+   "tooltip" : {
+      "pointFormat" : "<span style='color:{point.color}'>{point.name}</span>: <b>{point.y:f}</b><br/>",
+      "followPointer" : 1,
+      "headerFormat" : "<span style='font-size:11px'>{series.name}</span><br/>"
+   },
+   "yAxis" : {
+      "title" : {
+         "text" : "Total Solutions"
+      }
+   },
+   "xAxis" : {
+      "type" : "category"
+   },
+   "series" : [
+      {
+         "data" : [
+            {
+               "name" : "Abigail",
+               "y" : 2,
+               "drilldown" : "Abigail"
+            },
+            {
+               "name" : "E. Choroba",
+               "y" : 2,
+               "drilldown" : "E. Choroba"
+            },
+            {
+               "name" : "Luca Ferrari",
+               "drilldown" : "Luca Ferrari",
+               "y" : 4
+            },
+            {
+               "name" : "Mark Anderson",
+               "y" : 2,
+               "drilldown" : "Mark Anderson"
+            },
+            {
+               "drilldown" : "Marton Polgar",
+               "y" : 2,
+               "name" : "Marton Polgar"
+            },
+            {
+               "name" : "Olivier Delouya",
+               "drilldown" : "Olivier Delouya",
+               "y" : 1
+            },
+            {
+               "name" : "Peter Campbell Smith",
+               "drilldown" : "Peter Campbell Smith",
+               "y" : 3
+            },
+            {
+               "drilldown" : "PokGoPun",
+               "y" : 2,
+               "name" : "PokGoPun"
+            },
+            {
+               "drilldown" : "Robert DiCicco",
+               "y" : 4,
+               "name" : "Robert DiCicco"
+            },
+            {
+               "name" : "Roger Bell_West",
+               "drilldown" : "Roger Bell_West",
+               "y" : 4
+            },
+            {
+               "name" : "Ulrich Rieke",
+               "drilldown" : "Ulrich Rieke",
+               "y" : 4
+            },
+            {
+               "name" : "W. Luis Mochan",
+               "drilldown" : "W. Luis Mochan",
+               "y" : 3
+            }
+         ],
+         "colorByPoint" : 1,
+         "name" : "The Weekly Challenge - 153"
+      }
+   ],
+   "chart" : {
+      "type" : "column"
+   },
+   "plotOptions" : {
+      "series" : {
+         "dataLabels" : {
+            "enabled" : 1,
+            "format" : "{point.y}"
+         },
+         "borderWidth" : 0
+      }
+   },
+   "title" : {
+      "text" : "The Weekly Challenge - 153"
+   },
+   "legend" : {
+      "enabled" : 0
+   },
    "drilldown" : {
       "series" : [
          {
-            "name" : "Abigail",
             "data" : [
                [
                   "Perl",
                   2
                ]
             ],
-            "id" : "Abigail"
+            "id" : "Abigail",
+            "name" : "Abigail"
          },
          {
+            "name" : "E. Choroba",
             "data" : [
                [
                   "Perl",
                   2
                ]
             ],
-            "id" : "E. Choroba",
-            "name" : "E. Choroba"
+            "id" : "E. Choroba"
          },
          {
             "name" : "Luca Ferrari",
@@ -36,14 +135,14 @@
             ]
          },
          {
+            "name" : "Mark Anderson",
+            "id" : "Mark Anderson",
             "data" : [
                [
                   "Raku",
                   2
                ]
-            ],
-            "id" : "Mark Anderson",
-            "name" : "Mark Anderson"
+            ]
          },
          {
             "data" : [
@@ -56,7 +155,16 @@
             "name" : "Marton Polgar"
          },
          {
-            "id" : "Peter Campbell Smith",
+            "id" : "Olivier Delouya",
+            "data" : [
+               [
+                  "Perl",
+                  1
+               ]
+            ],
+            "name" : "Olivier Delouya"
+         },
+         {
             "data" : [
                [
                   "Perl",
@@ -67,20 +175,22 @@
                   1
                ]
             ],
+            "id" : "Peter Campbell Smith",
             "name" : "Peter Campbell Smith"
          },
          {
+            "name" : "PokGoPun",
+            "id" : "PokGoPun",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ],
-            "id" : "PokGoPun",
-            "name" : "PokGoPun"
+            ]
          },
          {
             "name" : "Robert DiCicco",
+            "id" : "Robert DiCicco",
             "data" : [
                [
                   "Perl",
@@ -90,8 +200,7 @@
                   "Raku",
                   2
                ]
-            ],
-            "id" : "Robert DiCicco"
+            ]
          },
          {
             "id" : "Roger Bell_West",
@@ -122,6 +231,7 @@
             "name" : "Ulrich Rieke"
          },
          {
+            "id" : "W. Luis Mochan",
             "data" : [
                [
                   "Perl",
@@ -132,106 +242,11 @@
                   1
                ]
             ],
-            "id" : "W. Luis Mochan",
             "name" : "W. Luis Mochan"
          }
       ]
    },
-   "title" : {
-      "text" : "The Weekly Challenge - 153"
-   },
-   "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
-   },
-   "chart" : {
-      "type" : "column"
-   },
-   "plotOptions" : {
-      "series" : {
-         "borderWidth" : 0,
-         "dataLabels" : {
-            "format" : "{point.y}",
-            "enabled" : 1
-         }
-      }
-   },
-   "xAxis" : {
-      "type" : "category"
-   },
    "subtitle" : {
-      "text" : "[Champions: 11] Last updated at 2022-02-21 20:23:13 GMT"
-   },
-   "yAxis" : {
-      "title" : {
-         "text" : "Total Solutions"
-      }
-   },
-   "legend" : {
-      "enabled" : 0
-   },
-   "series" : [
-      {
-         "colorByPoint" : 1,
-         "name" : "The Weekly Challenge - 153",
-         "data" : [
-            {
-               "y" : 2,
-               "drilldown" : "Abigail",
-               "name" : "Abigail"
-            },
-            {
-               "name" : "E. Choroba",
-               "drilldown" : "E. Choroba",
-               "y" : 2
-            },
-            {
-               "y" : 4,
-               "drilldown" : "Luca Ferrari",
-               "name" : "Luca Ferrari"
-            },
-            {
-               "drilldown" : "Mark Anderson",
-               "name" : "Mark Anderson",
-               "y" : 2
-            },
-            {
-               "y" : 2,
-               "name" : "Marton Polgar",
-               "drilldown" : "Marton Polgar"
-            },
-            {
-               "drilldown" : "Peter Campbell Smith",
-               "name" : "Peter Campbell Smith",
-               "y" : 3
-            },
-            {
-               "name" : "PokGoPun",
-               "drilldown" : "PokGoPun",
-               "y" : 2
-            },
-            {
-               "y" : 4,
-               "drilldown" : "Robert DiCicco",
-               "name" : "Robert DiCicco"
-            },
-            {
-               "name" : "Roger Bell_West",
-               "drilldown" : "Roger Bell_West",
-               "y" : 4
-            },
-            {
-               "drilldown" : "Ulrich Rieke",
-               "name" : "Ulrich Rieke",
-               "y" : 4
-            },
-            {
-               "y" : 3,
-               "name" : "W. Luis Mochan",
-               "drilldown" : "W. Luis Mochan"
-            }
-         ]
-      }
-   ]
+      "text" : "[Champions: 12] Last updated at 2022-02-21 20:30:05 GMT"
+   }
 }
diff --git a/stats/pwc-language-breakdown-summary.json b/stats/pwc-language-breakdown-summary.json
index f239cce585..d711f28396 100644
--- a/stats/pwc-language-breakdown-summary.json
+++ b/stats/pwc-language-breakdown-summary.json
@@ -5,21 +5,23 @@
          "text" : null
       }
    },
+   "tooltip" : {
+      "pointFormat" : "<b>{point.y:.0f}</b>"
+   },
+   "chart" : {
+      "type" : "column"
+   },
+   "xAxis" : {
+      "type" : "category",
+      "labels" : {
+         "style" : {
+            "fontSize" : "13px",
+            "fontFamily" : "Verdana, sans-serif"
+         }
+      }
+   },
    "series" : [
       {
-         "name" : "Contributions",
-         "dataLabels" : {
-            "style" : {
-               "fontSize" : "13px",
-               "fontFamily" : "Verdana, sans-serif"
-            },
-            "color" : "#FFFFFF",
-            "y" : 10,
-            "align" : "right",
-            "enabled" : "true",
-            "rotation" : -90,
-            "format" : "{point.y:.0f}"
-         },
          "data" : [
             [
                "Blog",
@@ -27,37 +29,35 @@
             ],
             [
                "Perl",
-               7342
+               7343
             ],
             [
                "Raku",
                4413
             ]
-         ]
+         ],
+         "name" : "Contributions",
+         "dataLabels" : {
+            "enabled" : "true",
+            "style" : {
+               "fontFamily" : "Verdana, sans-serif",
+               "fontSize" : "13px"
+            },
+            "align" : "right",
+            "y" : 10,
+            "rotation" : -90,
+            "format" : "{point.y:.0f}",
+            "color" : "#FFFFFF"
+         }
       }
    ],
    "legend" : {
       "enabled" : "false"
    },
-   "subtitle" : {
-      "text" : "Last updated at 2022-02-21 20:23:13 GMT"
-   },
-   "xAxis" : {
-      "type" : "category",
-      "labels" : {
-         "style" : {
-            "fontFamily" : "Verdana, sans-serif",
-            "fontSize" : "13px"
-         }
-      }
-   },
-   "chart" : {
-      "type" : "column"
-   },
-   "tooltip" : {
-      "pointFormat" : "<b>{point.y:.0f}</b>"
-   },
    "title" : {
       "text" : "The Weekly Challenge Contributions [2019 - 2022]"
+   },
+   "subtitle" : {
+      "text" : "Last updated at 2022-02-21 20:30:05 GMT"
    }
 }
diff --git a/stats/pwc-language-breakdown.json b/stats/pwc-language-breakdown.json
index 41cca9dcdb..7e71f4d38a 100644
--- a/stats/pwc-language-breakdown.json
+++ b/stats/pwc-language-breakdown.json
@@ -1,28 +1,23 @@
 {
-   "chart" : {
-      "type" : "column"
-   },
    "plotOptions" : {
       "series" : {
+         "borderWidth" : 0,
          "dataLabels" : {
-            "format" : "{point.y}",
-            "enabled" : 1
-         },
-         "borderWidth" : 0
+            "enabled" : 1,
+            "format" : "{point.y}"
+         }
       }
    },
-   "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/>"
-   },
    "title" : {
       "text" : "The Weekly Challenge Language"
    },
+   "legend" : {
+      "enabled" : "false"
+   },
    "drilldown" : {
       "series" : [
          {
-            "id" : "001",
+            "name" : "001",
             "data" : [
                [
                   "Perl",
@@ -37,7 +32,7 @@
                   11
                ]
             ],
-            "name" : "001"
+            "id" : "001"
          },
          {
             "data" : [
@@ -58,6 +53,8 @@
             "name" : "002"
          },
          {
+            "name" : "003",
+            "id" : "003",
             "data" : [
                [
                   "Perl",
@@ -71,12 +68,11 @@
                   "Blog",
                   9
                ]
-            ],
-            "id" : "003",
-            "name" : "003"
+            ]
          },
          {
             "name" : "004",
+            "id" : "004",
             "data" : [
                [
                   "Perl",
@@ -90,12 +86,9 @@
                   "Blog",
                   10
                ]
-            ],
-            "id" : "004"
+            ]
          },
          {
-            "name" : "005",
-            "id" : "005",
             "data" : [
                [
                   "Perl",
@@ -109,10 +102,11 @@
                   "Blog",
                   12
                ]
-            ]
+            ],
+            "id" : "005",
+            "name" : "005"
          },
          {
-            "name" : "006",
             "data" : [
                [
                   "Perl",
@@ -127,10 +121,11 @@
                   7
                ]
             ],
-            "id" : "006"
+            "id" : "006",
+            "name" : "006"
          },
          {
-            "id" : "007",
+            "name" : "007",
             "data" : [
                [
                   "Perl",
@@ -145,9 +140,10 @@
                   10
                ]
             ],
-            "name" : "007"
+            "id" : "007"
          },
          {
+            "name" : "008",
             "id" : "008",
             "data" : [
                [
@@ -162,11 +158,11 @@
                   "Blog",
                   12
                ]
-            ],
-            "name" : "008"
+            ]
          },
          {
             "name" : "009",
+            "id" : "009",
             "data" : [
                [
                   "Perl",
@@ -180,8 +176,7 @@
                   "Blog",
                   13
                ]
-            ],
-            "id" : "009"
+            ]
          },
          {
             "name" : "010",
@@ -202,6 +197,7 @@
             "id" : "010"
          },
          {
+            "id" : "011",
             "data" : [
                [
                   "Perl",
@@ -216,11 +212,10 @@
                   10
                ]
             ],
-            "id" : "011",
             "name" : "011"
          },
          {
-            "name" : "012",
+            "id" : "012",
             "data" : [
                [
                   "Perl",
@@ -235,10 +230,9 @@
                   11
                ]
             ],
-            "id" : "012"
+            "name" : "012"
          },
          {
-            "name" : "013",
             "id" : "013",
             "data" : [
                [
@@ -253,11 +247,10 @@
                   "Blog",
                   13
                ]
-            ]
+            ],
+            "name" : "013"
          },
          {
-            "name" : "014",
-            "id" : "014",
             "data" : [
                [
                   "Perl",
@@ -271,10 +264,11 @@
                   "Blog",
                   15
                ]
-            ]
+            ],
+            "id" : "014",
+            "name" : "014"
          },
          {
-            "name" : "015",
             "data" : [
                [
                   "Perl",
@@ -289,9 +283,11 @@
                   15
                ]
             ],
-            "id" : "015"
+            "id" : "015",
+            "name" : "015"
          },
          {
+            "name" : "016",
             "data" : [
                [
                   "Perl",
@@ -306,8 +302,7 @@
                   12
                ]
             ],
-            "id" : "016",
-            "name" : "016"
+            "id" : "016"
          },
          {
             "id" : "017",
@@ -328,6 +323,8 @@
             "name" : "017"
          },
          {
+            "name" : "018",
+            "id" : "018",
             "data" : [
                [
                   "Perl",
@@ -341,12 +338,9 @@
                   "Blog",
                   14
                ]
-            ],
-            "id" : "018",
-            "name" : "018"
+            ]
          },
          {
-            "name" : "019",
             "data" : [
                [
                   "Perl",
@@ -361,7 +355,8 @@
                   13
                ]
             ],
-            "id" : "019"
+            "id" : "019",
+            "name" : "019"
          },
          {
             "id" : "020",
@@ -400,7 +395,7 @@
             "name" : "021"
          },
          {
-            "id" : "022",
+            "name" : "022",
             "data" : [
                [
                   "Perl",
@@ -415,7 +410,7 @@
                   10
                ]
             ],
-            "name" : "022"
+            "id" : "022"
          },
          {
             "id" : "023",
@@ -437,6 +432,7 @@
          },
          {
             "name" : "024",
+            "id" : "024",
             "data" : [
                [
                   "Perl",
@@ -450,11 +446,9 @@
                   "Blog",
                   11
                ]
-            ],
-            "id" : "024"
+            ]
          },
          {
-            "id" : "025",
             "data" : [
                [
                   "Perl",
@@ -469,10 +463,11 @@
                   12
                ]
             ],
+            "id" : "025",
             "name" : "025"
          },
          {
-            "id" : "026",
+            "name" : "026",
             "data" : [
                [
                   "Perl",
@@ -487,9 +482,11 @@
                   10
                ]
             ],
-            "name" : "026"
+            "id" : "026"
          },
          {
+            "name" : "027",
+            "id" : "027",
             "data" : [
                [
                   "Perl",
@@ -503,13 +500,9 @@
                   "Blog",
                   9
                ]
-            ],
-            "id" : "027",
-            "name" : "027"
+            ]
          },
          {
-            "name" : "028",
-            "id" : "028",
             "data" : [
                [
                   "Perl",
@@ -523,11 +516,11 @@
                   "Blog",
                   9
                ]
-            ]
+            ],
+            "id" : "028",
+            "name" : "028"
          },
          {
-            "name" : "029",
-            "id" : "029",
             "data" : [
                [
                   "Perl",
@@ -541,10 +534,13 @@
                   "Blog",
                   12
                ]
-            ]
+            ],
+            "id" : "029",
+            "name" : "029"
          },
          {
             "name" : "030",
+            "id" : "030",
             "data" : [
                [
                   "Perl",
@@ -558,8 +554,7 @@
                   "Blog",
                   10
                ]
-            ],
-            "id" : "030"
+            ]
          },
          {
             "data" : [
@@ -598,7 +593,6 @@
             "id" : "032"
          },
          {
-            "id" : "033",
             "data" : [
                [
                   "Perl",
@@ -613,10 +607,10 @@
                   10
                ]
             ],
+            "id" : "033",
             "name" : "033"
          },
          {
-            "id" : "034",
             "data" : [
                [
                   "Perl",
@@ -631,10 +625,11 @@
                   11
                ]
             ],
+            "id" : "034",
             "name" : "034"
          },
          {
-            "id" : "035",
+            "name" : "035",
             "data" : [
                [
                   "Perl",
@@ -649,9 +644,11 @@
                   9
                ]
             ],
-            "name" : "035"
+            "id" : "035"
          },
          {
+            "name" : "036",
+            "id" : "036",
             "data" : [
                [
                   "Perl",
@@ -665,12 +662,9 @@
                   "Blog",
                   11
                ]
-            ],
-            "id" : "036",
-            "name" : "036"
+            ]
          },
          {
-            "id" : "037",
             "data" : [
                [
                   "Perl",
@@ -685,10 +679,10 @@
                   9
                ]
             ],
+            "id" : "037",
             "name" : "037"
          },
          {
-            "name" : "038",
             "id" : "038",
             "data" : [
                [
@@ -703,7 +697,8 @@
                   "Blog",
                   12
                ]
-            ]
+            ],
+            "name" : "038"
          },
          {
             "id" : "039",
@@ -760,7 +755,6 @@
             "name" : "041"
          },
          {
-            "name" : "042",
             "id" : "042",
             "data" : [
                [
@@ -775,7 +769,8 @@
                   "Blog",
                   11
                ]
-            ]
+            ],
+            "name" : "042"
          },
          {
             "name" : "043",
@@ -796,7 +791,7 @@
             ]
          },
          {
-            "id" : "044",
+            "name" : "044",
             "data" : [
                [
                   "Perl",
@@ -811,7 +806,7 @@
                   11
                ]
             ],
-            "name" : "044"
+            "id" : "044"
          },
          {
             "name" : "045",
@@ -832,6 +827,7 @@
             "id" : "045"
          },
          {
+            "name" : "046",
             "id" : "046",
             "data" : [
                [
@@ -846,11 +842,11 @@
                   "Blog",
                   10
                ]
-            ],
-            "name" : "046"
+            ]
          },
          {
             "name" : "047",
+            "id" : "047",
             "data" : [
                [
                   "Perl",
@@ -864,10 +860,11 @@
                   "Blog",
                   10
                ]
-            ],
-            "id" : "047"
+            ]
          },
          {
+            "name" : "048",
+            "id" : "048",
             "data" : [
                [
                   "Perl",
@@ -881,12 +878,9 @@
                   "Blog",
                   12
                ]
-            ],
-            "id" : "048",
-            "name" : "048"
+            ]
          },
          {
-            "id" : "049",
             "data" : [
                [
                   "Perl",
@@ -901,10 +895,11 @@
                   12
                ]
             ],
+            "id" : "049",
             "name" : "049"
          },
          {
-            "id" : "050",
+            "name" : "050",
             "data" : [
                [
                   "Perl",
@@ -919,9 +914,10 @@
                   12
                ]
             ],
-            "name" : "050"
+            "id" : "050"
          },
          {
+            "id" : "051",
             "data" : [
                [
                   "Perl",
@@ -936,11 +932,10 @@
                   11
                ]
             ],
-            "id" : "051",
             "name" : "051"
          },
          {
-            "id" : "052",
+            "name" : "052",
             "data" : [
                [
                   "Perl",
@@ -955,7 +950,7 @@
                   14
                ]
             ],
-            "name" : "052"
+            "id" : "052"
          },
          {
             "name" : "053",
@@ -976,7 +971,7 @@
             "id" : "053"
          },
          {
-            "name" : "054",
+            "id" : "054",
             "data" : [
                [
                   "Perl",
@@ -991,7 +986,7 @@
                   18
                ]
             ],
-            "id" : "054"
+            "name" : "054"
          },
          {
             "id" : "055",
@@ -1012,6 +1007,7 @@
             "name" : "055"
          },
          {
+            "name" : "056",
             "id" : "056",
             "data" : [
                [
@@ -1026,12 +1022,10 @@
                   "Blog",
                   16
                ]
-            ],
-            "name" : "056"
+            ]
          },
          {
             "name" : "057",
-            "id" : "057",
             "data" : [
                [
                   "Perl",
@@ -1045,11 +1039,10 @@
                   "Blog",
                   15
                ]
-            ]
+            ],
+            "id" : "057"
          },
          {
-            "name" : "058",
-            "id" : "058",
             "data" : [
                [
                   "Perl",
@@ -1063,7 +1056,9 @@
                   "Blog",
                   13
                ]
-            ]
+            ],
+            "id" : "058",
+            "name" : "058"
          },
          {
             "name" : "059",
@@ -1084,6 +1079,8 @@
             ]
          },
          {
+            "name" : "060",
+            "id" : "060",
             "data" : [
                [
                   "Perl",
@@ -1097,12 +1094,11 @@
                   "Blog",
                   16
                ]
-            ],
-            "id" : "060",
-            "name" : "060"
+            ]
          },
          {
             "name" : "061",
+            "id" : "061",
             "data" : [
                [
                   "Perl",
@@ -1116,10 +1112,10 @@
                   "Blog",
                   14
                ]
-            ],
-            "id" : "061"
+            ]
          },