- Added solutions by Olivier Delouya.

15 files changed, 1140 insertions, 1070 deletions

diff --git a/challenge-132/olivier-delouya/perl/ch-1.pl b/challenge-132/olivier-delouya/perl/ch-1.pl
new file mode 100644
index 0000000000..3d6888e894
--- /dev/null
+++ b/challenge-132/olivier-delouya/perl/ch-1.pl
@@ -0,0 +1,22 @@
+#!perl
+
+use strict;
+use Time::Local;
+use POSIX qw(strftime);
+
+my @Birth=split('/', $ARGV[0]);
+my $epoch_birth=timelocal(0, 0, 0, $Birth[2], $Birth[1]-1, $Birth[0]); # seconds between 1970 and birth
+
+my $epoch_today = time(); # (seconds between 1970 and today
+if(scalar(@ARGV) > 1)     # assuming today is another day -)
+  {
+  my @ref_day     = split('/', $ARGV[1]);
+  my $h = (scalar(@ARGV) > 2)? $ARGV[2]:0;
+  my $m = (scalar(@ARGV) > 3)? $ARGV[3]:0;
+  my $s = (scalar(@ARGV) > 4)? $ARGV[4]:0;
+  $epoch_today = timelocal($s, $m, $h, $ref_day[2], $ref_day[1]-1, $ref_day[0]); # at 1.30 AM..
+  }
+
+my $age=$epoch_today-$epoch_birth; # in seconds
+print strftime("%Y/%m/%d, ", localtime($epoch_today - (2*$age)));
+print strftime("%Y/%m/%d\n", localtime($epoch_today +    $age));
diff --git a/challenge-132/olivier-delouya/perl/ch-2.pl b/challenge-132/olivier-delouya/perl/ch-2.pl
new file mode 100644
index 0000000000..b355b9aea0
--- /dev/null
+++ b/challenge-132/olivier-delouya/perl/ch-2.pl
@@ -0,0 +1,33 @@
+#!perl
+
+my @player_ages = (
+        [20, "Alex"  ],
+        [28, "Joe"   ],
+        [38, "Mike"  ],
+        [18, "Alex"  ],
+        [25, "David" ],
+        [18, "Simon" ],
+    );
+
+my @player_names = (
+        ["Alex", "Stewart"],
+        ["Joe",  "Root"   ],
+        ["Mike", "Gatting"],
+        ["Joe",  "Blog"   ],
+        ["Alex", "Jones"  ],
+        ["Simon","Duane"  ],
+    );
+
+
+
+outerloop: foreach my $pn (@player_ages)
+   {
+   foreach(@player_names)
+      {
+      if(${$pn}[1] eq ${$_}[0]) # join!
+            {
+            print ${$pn}[0], ${$pn}[1], ${$_}[1], "\n";
+            next outerloop;
+            }
+      }
+    }
diff --git a/stats/pwc-current.json b/stats/pwc-current.json
index 9f11325ea2..592e075531 100644
--- a/stats/pwc-current.json
+++ b/stats/pwc-current.json
@@ -1,20 +1,102 @@
 {
+   "series" : [
+      {
+         "data" : [
+            {
+               "name" : "Ben Davies",
+               "drilldown" : "Ben Davies",
+               "y" : 2
+            },
+            {
+               "y" : 1,
+               "drilldown" : "Cheok-Yin Fung",
+               "name" : "Cheok-Yin Fung"
+            },
+            {
+               "drilldown" : "Dave Jacoby",
+               "y" : 3,
+               "name" : "Dave Jacoby"
+            },
+            {
+               "y" : 2,
+               "drilldown" : "E. Choroba",
+               "name" : "E. Choroba"
+            },
+            {
+               "y" : 3,
+               "drilldown" : "James Smith",
+               "name" : "James Smith"
+            },
+            {
+               "name" : "Luca Ferrari",
+               "y" : 4,
+               "drilldown" : "Luca Ferrari"
+            },
+            {
+               "name" : "Mark Anderson",
+               "y" : 2,
+               "drilldown" : "Mark Anderson"
+            },
+            {
+               "name" : "Niels van Dijke",
+               "y" : 2,
+               "drilldown" : "Niels van Dijke"
+            },
+            {
+               "drilldown" : "Olivier Delouya",
+               "y" : 2,
+               "name" : "Olivier Delouya"
+            },
+            {
+               "drilldown" : "Roger Bell_West",
+               "y" : 4,
+               "name" : "Roger Bell_West"
+            },
+            {
+               "y" : 1,
+               "drilldown" : "Simon Proctor",
+               "name" : "Simon Proctor"
+            },
+            {
+               "drilldown" : "W. Luis Mochan",
+               "y" : 3,
+               "name" : "W. Luis Mochan"
+            }
+         ],
+         "name" : "The Weekly Challenge - 132",
+         "colorByPoint" : 1
+      }
+   ],
    "yAxis" : {
       "title" : {
          "text" : "Total Solutions"
       }
    },
+   "tooltip" : {
+      "followPointer" : 1,
+      "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/>"
+   },
+   "title" : {
+      "text" : "The Weekly Challenge - 132"
+   },
+   "legend" : {
+      "enabled" : 0
+   },
+   "xAxis" : {
+      "type" : "category"
+   },
    "drilldown" : {
       "series" : [
          {
+            "id" : "Ben Davies",
             "name" : "Ben Davies",
             "data" : [
                [
                   "Raku",
                   2
                ]
-            ],
-            "id" : "Ben Davies"
+            ]
          },
          {
             "name" : "Cheok-Yin Fung",
@@ -28,7 +110,6 @@
          },
          {
             "id" : "Dave Jacoby",
-            "name" : "Dave Jacoby",
             "data" : [
                [
                   "Perl",
@@ -38,7 +119,8 @@
                   "Blog",
                   1
                ]
-            ]
+            ],
+            "name" : "Dave Jacoby"
          },
          {
             "data" : [
@@ -65,7 +147,7 @@
             "name" : "James Smith"
          },
          {
-            "name" : "Luca Ferrari",
+            "id" : "Luca Ferrari",
             "data" : [
                [
                   "Raku",
@@ -76,27 +158,37 @@
                   2
                ]
             ],
-            "id" : "Luca Ferrari"
+            "name" : "Luca Ferrari"
          },
          {
-            "name" : "Mark Anderson",
             "data" : [
                [
                   "Raku",
                   2
                ]
             ],
+            "name" : "Mark Anderson",
             "id" : "Mark Anderson"
          },
          {
+            "id" : "Niels van Dijke",
+            "name" : "Niels van Dijke",
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ]
+            ]
+         },
+         {
+            "id" : "Olivier Delouya",
             "data" : [
                [
                   "Perl",
                   2
                ]
             ],
-            "name" : "Niels van Dijke",
-            "id" : "Niels van Dijke"
+            "name" : "Olivier Delouya"
          },
          {
             "name" : "Roger Bell_West",
@@ -113,17 +205,17 @@
             "id" : "Roger Bell_West"
          },
          {
-            "id" : "Simon Proctor",
             "data" : [
                [
                   "Raku",
                   1
                ]
             ],
-            "name" : "Simon Proctor"
+            "name" : "Simon Proctor",
+            "id" : "Simon Proctor"
          },
          {
-            "name" : "W. Luis Mochan",
+            "id" : "W. Luis Mochan",
             "data" : [
                [
                   "Perl",
@@ -134,100 +226,23 @@
                   1
                ]
             ],
-            "id" : "W. Luis Mochan"
+            "name" : "W. Luis Mochan"
          }
       ]
    },
-   "chart" : {
-      "type" : "column"
-   },
    "plotOptions" : {
       "series" : {
+         "borderWidth" : 0,
          "dataLabels" : {
             "format" : "{point.y}",
             "enabled" : 1
-         },
-         "borderWidth" : 0
-      }
-   },
-   "series" : [
-      {
-         "colorByPoint" : 1,
-         "name" : "The Weekly Challenge - 132",
-         "data" : [
-            {
-               "name" : "Ben Davies",
-               "drilldown" : "Ben Davies",
-               "y" : 2
-            },
-            {
-               "drilldown" : "Cheok-Yin Fung",
-               "y" : 1,
-               "name" : "Cheok-Yin Fung"
-            },
-            {
-               "y" : 3,
-               "drilldown" : "Dave Jacoby",
-               "name" : "Dave Jacoby"
-            },
-            {
-               "drilldown" : "E. Choroba",
-               "name" : "E. Choroba",
-               "y" : 2
-            },
-            {
-               "y" : 3,
-               "drilldown" : "James Smith",
-               "name" : "James Smith"
-            },
-            {
-               "y" : 4,
-               "drilldown" : "Luca Ferrari",
-               "name" : "Luca Ferrari"
-            },
-            {
-               "drilldown" : "Mark Anderson",
-               "name" : "Mark Anderson",
-               "y" : 2
-            },
-            {
-               "name" : "Niels van Dijke",
-               "drilldown" : "Niels van Dijke",
-               "y" : 2
-            },
-            {
-               "drilldown" : "Roger Bell_West",
-               "name" : "Roger Bell_West",
-               "y" : 4
-            },
-            {
-               "drilldown" : "Simon Proctor",
-               "y" : 1,
-               "name" : "Simon Proctor"
-            },
-            {
-               "drilldown" : "W. Luis Mochan",
-               "y" : 3,
-               "name" : "W. Luis Mochan"
-            }
-         ]
+         }
       }
-   ],
-   "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
    },
    "subtitle" : {
-      "text" : "[Champions: 11] Last updated at 2021-09-29 20:25:17 GMT"
-   },
-   "title" : {
-      "text" : "The Weekly Challenge - 132"
+      "text" : "[Champions: 12] Last updated at 2021-09-29 20:38:28 GMT"
    },
-   "legend" : {
-      "enabled" : 0
+   "chart" : {
+      "type" : "column"
    }
 }
diff --git a/stats/pwc-language-breakdown-summary.json b/stats/pwc-language-breakdown-summary.json
index c3691a81b6..cf70b5670a 100644
--- a/stats/pwc-language-breakdown-summary.json
+++ b/stats/pwc-language-breakdown-summary.json
@@ -1,6 +1,19 @@
 {
    "series" : [
       {
+         "dataLabels" : {
+            "align" : "right",
+            "style" : {
+               "fontFamily" : "Verdana, sans-serif",
+               "fontSize" : "13px"
+            },
+            "y" : 10,
+            "format" : "{point.y:.0f}",
+            "color" : "#FFFFFF",
+            "rotation" : -90,
+            "enabled" : "true"
+         },
+         "name" : "Contributions",
          "data" : [
             [
                "Blog",
@@ -8,56 +21,43 @@
             ],
             [
                "Perl",
-               6275
+               6277
             ],
             [
                "Raku",
                3851
             ]
-         ],
-         "name" : "Contributions",
-         "dataLabels" : {
-            "color" : "#FFFFFF",
-            "format" : "{point.y:.0f}",
-            "style" : {
-               "fontSize" : "13px",
-               "fontFamily" : "Verdana, sans-serif"
-            },
-            "y" : 10,
-            "align" : "right",
-            "rotation" : -90,
-            "enabled" : "true"
-         }
+         ]
       }
    ],
-   "xAxis" : {
-      "labels" : {
-         "style" : {
-            "fontSize" : "13px",
-            "fontFamily" : "Verdana, sans-serif"
-         }
-      },
-      "type" : "category"
-   },
-   "tooltip" : {
-      "pointFormat" : "<b>{point.y:.0f}</b>"
-   },
-   "subtitle" : {
-      "text" : "Last updated at 2021-09-29 20:25:17 GMT"
-   },
    "yAxis" : {
       "min" : 0,
       "title" : {
          "text" : null
       }
    },
-   "chart" : {
-      "type" : "column"
+   "tooltip" : {
+      "pointFormat" : "<b>{point.y:.0f}</b>"
    },
    "title" : {
       "text" : "The Weekly Challenge Contributions [2019 - 2021]"
    },
    "legend" : {
       "enabled" : "false"
+   },
+   "xAxis" : {
+      "labels" : {
+         "style" : {
+            "fontSize" : "13px",
+            "fontFamily" : "Verdana, sans-serif"
+         }
+      },
+      "type" : "category"
+   },
+   "chart" : {
+      "type" : "column"
+   },
+   "subtitle" : {
+      "text" : "Last updated at 2021-09-29 20:38:28 GMT"
    }
 }
diff --git a/stats/pwc-language-breakdown.json b/stats/pwc-language-breakdown.json
index 0c9001bf18..41cb2b58a3 100644
--- a/stats/pwc-language-breakdown.json
+++ b/stats/pwc-language-breakdown.json
@@ -1,7 +1,26 @@
 {
+   "plotOptions" : {
+      "series" : {
+         "dataLabels" : {
+            "enabled" : 1,
+            "format" : "{point.y}"
+         },
+         "borderWidth" : 0
+      }
+   },
+   "chart" : {
+      "type" : "column"
+   },
+   "subtitle" : {
+      "text" : "Click the columns to drilldown the language breakdown. Last updated at 2021-09-29 20:38:28 GMT"
+   },
+   "legend" : {
+      "enabled" : "false"
+   },
    "drilldown" : {
       "series" : [
          {
+            "id" : "001",
             "name" : "001",
             "data" : [
                [
@@ -16,10 +35,10 @@
                   "Blog",
                   11
                ]
-            ],
-            "id" : "001"
+            ]
          },
          {
+            "name" : "002",
             "data" : [
                [
                   "Perl",
@@ -34,11 +53,9 @@
                   10
                ]
             ],
-            "name" : "002",
             "id" : "002"
          },
          {
-            "id" : "003",
             "name" : "003",
             "data" : [
                [
@@ -53,10 +70,10 @@
                   "Blog",
                   9
                ]
-            ]
+            ],
+            "id" : "003"
          },
          {
-            "id" : "004",
             "name" : "004",
             "data" : [
                [
@@ -71,10 +88,10 @@
                   "Blog",
                   10
                ]
-            ]
+            ],
+            "id" : "004"
          },
          {
-            "id" : "005",
             "data" : [
                [
                   "Perl",
@@ -89,10 +106,10 @@
                   12
                ]
             ],
-            "name" : "005"
+            "name" : "005",
+            "id" : "005"
          },
          {
-            "name" : "006",
             "data" : [
                [
                   "Perl",
@@ -107,9 +124,11 @@
                   7
                ]
             ],
+            "name" : "006",
             "id" : "006"
          },
          {
+            "name" : "007",
             "data" : [
                [
                   "Perl",
@@ -124,10 +143,11 @@
                   10
                ]
             ],
-            "name" : "007",
             "id" : "007"
          },
          {
+            "id" : "008",
+            "name" : "008",
             "data" : [
                [
                   "Perl",
@@ -141,12 +161,11 @@
                   "Blog",
                   12
                ]
-            ],
-            "name" : "008",
-            "id" : "008"
+            ]
          },
          {
             "id" : "009",
+            "name" : "009",
             "data" : [
                [
                   "Perl",
@@ -160,11 +179,9 @@
                   "Blog",
                   13
                ]
-            ],
-            "name" : "009"
+            ]
          },
          {
-            "id" : "010",
             "data" : [
                [
                   "Perl",
@@ -179,10 +196,11 @@
                   11
                ]
             ],
-            "name" : "010"
+            "name" : "010",
+            "id" : "010"
          },
          {
-            "id" : "011",
+            "name" : "011",
             "data" : [
                [
                   "Perl",
@@ -197,9 +215,10 @@
                   10
                ]
             ],
-            "name" : "011"
+            "id" : "011"
          },
          {
+            "id" : "012",
             "data" : [
                [
                   "Perl",
@@ -214,8 +233,7 @@
                   11
                ]
             ],
-            "name" : "012",
-            "id" : "012"
+            "name" : "012"
          },
          {
             "data" : [
@@ -236,7 +254,6 @@
             "id" : "013"
          },
          {
-            "id" : "014",
             "data" : [
                [
                   "Perl",
@@ -251,9 +268,11 @@
                   15
                ]
             ],
-            "name" : "014"
+            "name" : "014",
+            "id" : "014"
          },
          {
+            "name" : "015",
             "data" : [
                [
                   "Perl",
@@ -268,11 +287,9 @@
                   15
                ]
             ],
-            "name" : "015",
             "id" : "015"
          },
          {
-            "id" : "016",
             "data" : [
                [
                   "Perl",
@@ -287,7 +304,8 @@
                   12
                ]
             ],
-            "name" : "016"
+            "name" : "016",
+            "id" : "016"
          },
          {
             "data" : [
@@ -308,6 +326,7 @@
             "id" : "017"
          },
          {
+            "id" : "018",
             "data" : [
                [
                   "Perl",
@@ -322,10 +341,10 @@
                   14
                ]
             ],
-            "name" : "018",
-            "id" : "018"
+            "name" : "018"
          },
          {
+            "name" : "019",
             "data" : [
                [
                   "Perl",
@@ -340,11 +359,10 @@
                   13
                ]
             ],
-            "name" : "019",
             "id" : "019"
          },
          {
-            "name" : "020",
+            "id" : "020",
             "data" : [
                [
                   "Perl",
@@ -359,10 +377,10 @@
                   13
                ]
             ],
-            "id" : "020"
+            "name" : "020"
          },
          {
-            "name" : "021",
+            "id" : "021",
             "data" : [
                [
                   "Perl",
@@ -377,9 +395,10 @@
                   10
                ]
             ],
-            "id" : "021"
+            "name" : "021"
          },
          {
+            "id" : "022",
             "data" : [
                [
                   "Perl",
@@ -394,8 +413,7 @@
                   10
                ]
             ],
-            "name" : "022",
-            "id" : "022"
+            "name" : "022"
          },
          {
             "name" : "023",
@@ -434,7 +452,6 @@
             "name" : "024"
          },
          {
-            "name" : "025",
             "data" : [
                [
                   "Perl",
@@ -449,6 +466,7 @@
                   12
                ]
             ],
+            "name" : "025",
             "id" : "025"
          },
          {
@@ -488,7 +506,6 @@
             "id" : "027"
          },
          {
-            "id" : "028",
             "data" : [
                [
                   "Perl",
@@ -503,9 +520,11 @@
                   9
                ]
             ],
-            "name" : "028"
+            "name" : "028",
+            "id" : "028"
          },
          {
+            "name" : "029",
             "data" : [
                [
                   "Perl",
@@ -520,10 +539,11 @@
                   12
                ]
             ],
-            "name" : "029",
             "id" : "029"
          },
          {
+            "id" : "030",
+            "name" : "030",
             "data" : [
                [
                   "Perl",
@@ -537,12 +557,10 @@
                   "Blog",
                   10
                ]
-            ],
-            "name" : "030",
-            "id" : "030"
+            ]
          },
          {
-            "name" : "031",
+            "id" : "031",
             "data" : [
                [
                   "Perl",
@@ -557,11 +575,10 @@
                   9
                ]
             ],
-            "id" : "031"
+            "name" : "031"
          },
          {
             "id" : "032",
-            "name" : "032",
             "data" : [
                [
                   "Perl",
@@ -575,7 +592,8 @@
                   "Blog",
                   10
                ]
-            ]
+            ],
+            "name" : "032"
          },
          {
             "id" : "033",
@@ -614,6 +632,7 @@
             ]
          },
          {
+            "name" : "035",
             "data" : [
                [
                   "Perl",
@@ -628,11 +647,10 @@
                   9
                ]
             ],
-            "name" : "035",
             "id" : "035"
          },
          {
-            "id" : "036",
+            "name" : "036",
             "data" : [
                [
                   "Perl",
@@ -647,10 +665,9 @@
                   11
                ]
             ],
-            "name" : "036"
+            "id" : "036"
          },
          {
-            "id" : "037",
             "data" : [
                [
                   "Perl",
@@ -665,10 +682,11 @@
                   9
                ]
             ],
-            "name" : "037"
+            "name" : "037",
+            "id" : "037"
          },
          {
-            "name" : "038",
+            "id" : "038",
             "data" : [
                [
                   "Perl",
@@ -683,9 +701,10 @@
                   12
                ]
             ],
-            "id" : "038"
+            "name" : "038"
          },
          {
+            "name" : "039",
             "data" : [
                [
                   "Perl",
@@ -700,10 +719,10 @@
                   12
                ]
             ],
-            "name" : "039",
             "id" : "039"
          },
          {
+            "name" : "040",
             "data" : [
                [
                   "Perl",
@@ -718,10 +737,11 @@
                   10
                ]
             ],
-            "name" : "040",
             "id" : "040"
          },
          {
+            "id" : "041",
+            "name" : "041",
             "data" : [
                [
                   "Perl",
@@ -735,12 +755,10 @@
                   "Blog",
                   9
                ]
-            ],
-            "name" : "041",
-            "id" : "041"
+            ]
          },
          {
-            "name" : "042",
+            "id" : "042",
             "data" : [
                [
                   "Perl",
@@ -755,7 +773,7 @@
                   11
                ]
             ],
-            "id" : "042"
+            "name" : "042"
          },
          {
             "name" : "043",
@@ -776,7 +794,6 @@
             "id" : "043"
          },
          {
-            "name" : "044",
             "data" : [
                [
                   "Perl",
@@ -791,10 +808,10 @@
                   11
                ]
             ],
+            "name" : "044",
             "id" : "044"
          },
          {
-            "name" : "045",
             "data" : [
                [
                   "Perl",
@@ -809,10 +826,11 @@
                   11
                ]
             ],
+            "name" : "045",
             "id" : "045"
          },
          {
-            "name" : "046",
+            "id" : "046",
             "data" : [
                [
                   "Perl",
@@ -827,9 +845,11 @@
                   10
                ]
             ],
-            "id" : "046"
+            "name" : "046"
          },
          {
+            "id" : "047",
+            "name" : "047",
             "data" : [
                [
                   "Perl",
@@ -843,12 +863,10 @@
                   "Blog",
                   10
                ]
-            ],
-            "name" : "047",
-            "id" : "047"
+            ]
          },
          {
-            "name" : "048",
+            "id" : "048",
             "data" : [
                [
                   "Perl",
@@ -863,10 +881,10 @@
                   12
                ]
             ],
-            "id" : "048"
+            "name" : "048"
          },
          {
-            "name" : "049",
+            "id" : "049",
             "data" : [
                [
                   "Perl",
@@ -881,10 +899,10 @@
                   12
                ]
             ],
-            "id" : "049"
+            "name" : "049"
          },
          {
-            "name" : "050",
+            "id" : "050",
             "data" : [
                [
                   "Perl",
@@ -899,9 +917,10 @@
                   12
                ]
             ],
-            "id" : "050"
+            "name" : "050"
          },
          {
+            "name" : "051",
             "data" : [
                [
                   "Perl",
@@ -916,11 +935,10 @@
                   11
                ]
             ],
-            "name" : "051",
             "id" : "051"
          },
          {
-            "name" : "052",
+            "id" : "052",
             "data" : [
                [
                   "Perl",
@@ -935,7 +953,7 @@
                   14
                ]
             ],
-            "id" : "052"
+            "name" : "052"
          },
          {
             "id" : "053",
@@ -992,6 +1010,7 @@
             ]
          },
          {
+            "id" : "056",
             "data" : [
                [
                   "Perl",
@@ -1006,11 +1025,9 @@
                   16
                ]
             ],
-            "name" : "056",
-            "id" : "056"
+            "name" : "056"
          },
          {
-            "name" : "057",
             "data" : [
                [
                   "Perl",
@@ -1025,6 +1042,7 @@
                   15
                ]
             ],
+            "name" : "057",
             "id" : "057"
          },
          {
@@ -1064,7 +1082,6 @@
             ]
          },
          {
-            "id" : "060",
             "data" : [
                [
                   "Perl",
@@ -1079,10 +1096,11 @@
                   16
                ]
             ],
-            "name" : "060"
+            "name" : "060",
+            "id" : "060"
          },
          {
-            "id" : "061",
+            "name" : "061",
             "data" : [
                [
                   "Perl",