- Added solutions by Olivier Delouya.

16 files changed, 1326 insertions, 1281 deletions

diff --git a/challenge-134/olivier-delouya/perl/ch-1.sh b/challenge-134/olivier-delouya/perl/ch-1.sh
new file mode 100644
index 0000000000..4c1e0a99a9
--- /dev/null
+++ b/challenge-134/olivier-delouya/perl/ch-1.sh
@@ -0,0 +1 @@
+perl -e "foreach my $j (2..6) { foreach my $i (1..10) { print (($i < $j)? $i : (($i == $j)? 0:$i-1)); } print \"\n\"; }"
diff --git a/challenge-134/olivier-delouya/perl/ch-2.pl b/challenge-134/olivier-delouya/perl/ch-2.pl
new file mode 100755
index 0000000000..aca7443c0d
--- /dev/null
+++ b/challenge-134/olivier-delouya/perl/ch-2.pl
@@ -0,0 +1,29 @@
+#!perl ch-2.pl $m $n

+

+use strict;

+my ($m, $n)= @ARGV;

+my $w = length($m*$n)+1;

+print 'x | 1';

+printf ("% ${w}d", $_) foreach (2..$n);

+print "\n";

+print '--+--';

+print ('-'x$w) foreach (2..$n);

+print "\n";

+my %h;

+foreach my $i (1..$m)

+    {

+    $h{$i} = undef;

+    print "$i | $i";

+    foreach my $j (2..$n)

+    	{

+    	$h{$i*$j} = undef;

+    	printf "% ${w}d", $i*$j;

+    	}

+    print "\n";

+    }

+print 'Distinct Terms: ';

+foreach (sort { $a <=> $b }  keys %h)

+    {

+    print $_, ', ';

+    }

+print "\b\b \nCount: ", scalar(keys %h);

diff --git a/stats/pwc-current.json b/stats/pwc-current.json
index 92819ace18..700724c7c4 100644
--- a/stats/pwc-current.json
+++ b/stats/pwc-current.json
@@ -1,70 +1,85 @@
 {
+   "xAxis" : {
+      "type" : "category"
+   },
    "series" : [
       {
          "data" : [
             {
-               "drilldown" : "Andinus",
                "name" : "Andinus",
-               "y" : 2
+               "y" : 2,
+               "drilldown" : "Andinus"
             },
             {
-               "y" : 3,
                "name" : "Dave Jacoby",
+               "y" : 3,
                "drilldown" : "Dave Jacoby"
             },
             {
                "y" : 4,
-               "drilldown" : "Luca Ferrari",
-               "name" : "Luca Ferrari"
+               "name" : "Luca Ferrari",
+               "drilldown" : "Luca Ferrari"
             },
             {
                "name" : "Mark Anderson",
-               "drilldown" : "Mark Anderson",
-               "y" : 2
+               "y" : 2,
+               "drilldown" : "Mark Anderson"
             },
             {
+               "name" : "Olivier Delouya",
+               "y" : 2,
+               "drilldown" : "Olivier Delouya"
+            },
+            {
+               "drilldown" : "Roger Bell_West",
                "y" : 4,
-               "name" : "Roger Bell_West",
-               "drilldown" : "Roger Bell_West"
+               "name" : "Roger Bell_West"
             },
             {
-               "y" : 2,
                "drilldown" : "Simon Proctor",
+               "y" : 2,
                "name" : "Simon Proctor"
             },
             {
-               "y" : 3,
                "name" : "Ulrich Rieke",
+               "y" : 3,
                "drilldown" : "Ulrich Rieke"
             },
             {
+               "drilldown" : "W. Luis Mochan",
                "y" : 3,
-               "name" : "W. Luis Mochan",
-               "drilldown" : "W. Luis Mochan"
+               "name" : "W. Luis Mochan"
             }
          ],
          "name" : "The Weekly Challenge - 134",
          "colorByPoint" : 1
       }
    ],
-   "chart" : {
-      "type" : "column"
+   "legend" : {
+      "enabled" : 0
    },
-   "subtitle" : {
-      "text" : "[Champions: 8] Last updated at 2021-10-12 11:15:26 GMT"
+   "tooltip" : {
+      "headerFormat" : "<span style='font-size:11px'>{series.name}</span><br/>",
+      "followPointer" : 1,
+      "pointFormat" : "<span style='color:{point.color}'>{point.name}</span>: <b>{point.y:f}</b><br/>"
    },
    "title" : {
       "text" : "The Weekly Challenge - 134"
    },
+   "chart" : {
+      "type" : "column"
+   },
    "yAxis" : {
       "title" : {
          "text" : "Total Solutions"
       }
    },
+   "subtitle" : {
+      "text" : "[Champions: 9] Last updated at 2021-10-12 12:58:37 GMT"
+   },
    "drilldown" : {
       "series" : [
          {
-            "name" : "Andinus",
             "data" : [
                [
                   "Raku",
@@ -75,11 +90,10 @@
                   1
                ]
             ],
+            "name" : "Andinus",
             "id" : "Andinus"
          },
          {
-            "id" : "Dave Jacoby",
-            "name" : "Dave Jacoby",
             "data" : [
                [
                   "Perl",
@@ -89,10 +103,11 @@
                   "Blog",
                   1
                ]
-            ]
+            ],
+            "id" : "Dave Jacoby",
+            "name" : "Dave Jacoby"
          },
          {
-            "id" : "Luca Ferrari",
             "data" : [
                [
                   "Raku",
@@ -103,20 +118,31 @@
                   2
                ]
             ],
+            "id" : "Luca Ferrari",
             "name" : "Luca Ferrari"
          },
          {
             "id" : "Mark Anderson",
-            "name" : "Mark Anderson",
             "data" : [
                [
                   "Raku",
                   2
                ]
-            ]
+            ],
+            "name" : "Mark Anderson"
          },
          {
-            "name" : "Roger Bell_West",
+            "id" : "Olivier Delouya",
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ]
+            ],
+            "name" : "Olivier Delouya"
+         },
+         {
+            "id" : "Roger Bell_West",
             "data" : [
                [
                   "Perl",
@@ -127,20 +153,20 @@
                   2
                ]
             ],
-            "id" : "Roger Bell_West"
+            "name" : "Roger Bell_West"
          },
          {
             "id" : "Simon Proctor",
-            "name" : "Simon Proctor",
             "data" : [
                [
                   "Raku",
                   2
                ]
-            ]
+            ],
+            "name" : "Simon Proctor"
          },
          {
-            "id" : "Ulrich Rieke",
+            "name" : "Ulrich Rieke",
             "data" : [
                [
                   "Perl",
@@ -151,7 +177,7 @@
                   2
                ]
             ],
-            "name" : "Ulrich Rieke"
+            "id" : "Ulrich Rieke"
          },
          {
             "name" : "W. Luis Mochan",
@@ -169,24 +195,13 @@
          }
       ]
    },
-   "xAxis" : {
-      "type" : "category"
-   },
    "plotOptions" : {
       "series" : {
-         "borderWidth" : 0,
          "dataLabels" : {
-            "enabled" : 1,
-            "format" : "{point.y}"
-         }
+            "format" : "{point.y}",
+            "enabled" : 1
+         },
+         "borderWidth" : 0
       }
-   },
-   "legend" : {
-      "enabled" : 0
-   },
-   "tooltip" : {
-      "headerFormat" : "<span style='font-size:11px'>{series.name}</span><br/>",
-      "pointFormat" : "<span style='color:{point.color}'>{point.name}</span>: <b>{point.y:f}</b><br/>",
-      "followPointer" : 1
    }
 }
diff --git a/stats/pwc-language-breakdown-summary.json b/stats/pwc-language-breakdown-summary.json
index e3c1c29b40..e609cc99ef 100644
--- a/stats/pwc-language-breakdown-summary.json
+++ b/stats/pwc-language-breakdown-summary.json
@@ -1,9 +1,42 @@
 {
+   "title" : {
+      "text" : "The Weekly Challenge Contributions [2019 - 2021]"
+   },
+   "yAxis" : {
+      "title" : {
+         "text" : null
+      },
+      "min" : 0
+   },
+   "chart" : {
+      "type" : "column"
+   },
    "subtitle" : {
-      "text" : "Last updated at 2021-10-12 11:15:26 GMT"
+      "text" : "Last updated at 2021-10-12 12:58:37 GMT"
+   },
+   "xAxis" : {
+      "labels" : {
+         "style" : {
+            "fontFamily" : "Verdana, sans-serif",
+            "fontSize" : "13px"
+         }
+      },
+      "type" : "category"
    },
    "series" : [
       {
+         "dataLabels" : {
+            "rotation" : -90,
+            "style" : {
+               "fontSize" : "13px",
+               "fontFamily" : "Verdana, sans-serif"
+            },
+            "color" : "#FFFFFF",
+            "y" : 10,
+            "format" : "{point.y:.0f}",
+            "align" : "right",
+            "enabled" : "true"
+         },
          "name" : "Contributions",
          "data" : [
             [
@@ -12,52 +45,19 @@
             ],
             [
                "Perl",
-               6354
+               6356
             ],
             [
                "Raku",
                3899
             ]
-         ],
-         "dataLabels" : {
-            "style" : {
-               "fontSize" : "13px",
-               "fontFamily" : "Verdana, sans-serif"
-            },
-            "y" : 10,
-            "format" : "{point.y:.0f}",
-            "color" : "#FFFFFF",
-            "enabled" : "true",
-            "align" : "right",
-            "rotation" : -90
-         }
+         ]
       }
    ],
-   "chart" : {
-      "type" : "column"
-   },
-   "legend" : {
-      "enabled" : "false"
-   },
    "tooltip" : {
       "pointFormat" : "<b>{point.y:.0f}</b>"
    },
-   "title" : {
-      "text" : "The Weekly Challenge Contributions [2019 - 2021]"
-   },
-   "xAxis" : {
-      "labels" : {
-         "style" : {
-            "fontFamily" : "Verdana, sans-serif",
-            "fontSize" : "13px"
-         }
-      },
-      "type" : "category"
-   },
-   "yAxis" : {
-      "min" : 0,
-      "title" : {
-         "text" : null
-      }
+   "legend" : {
+      "enabled" : "false"
    }
 }
diff --git a/stats/pwc-language-breakdown.json b/stats/pwc-language-breakdown.json
index 5a1c2fbffe..c18330ae32 100644
--- a/stats/pwc-language-breakdown.json
+++ b/stats/pwc-language-breakdown.json
@@ -1,62 +1,60 @@
 {
-   "subtitle" : {
-      "text" : "Click the columns to drilldown the language breakdown. Last updated at 2021-10-12 11:15:26 GMT"
-   },
-   "chart" : {
-      "type" : "column"
+   "xAxis" : {
+      "type" : "category"
    },
    "series" : [
       {
+         "colorByPoint" : "true",
          "data" : [
             {
                "drilldown" : "001",
-               "name" : "#001",
-               "y" : 161
+               "y" : 161,
+               "name" : "#001"
             },
             {
-               "y" : 125,
                "drilldown" : "002",
-               "name" : "#002"
+               "name" : "#002",
+               "y" : 125
             },
             {
+               "name" : "#003",
                "y" : 81,
-               "drilldown" : "003",
-               "name" : "#003"
+               "drilldown" : "003"
             },
             {
-               "name" : "#004",
                "drilldown" : "004",
+               "name" : "#004",
                "y" : 99
             },
             {
-               "y" : 78,
                "drilldown" : "005",
+               "y" : 78,
                "name" : "#005"
             },
             {
-               "name" : "#006",
                "drilldown" : "006",
-               "y" : 58
+               "y" : 58,
+               "name" : "#006"
             },
             {
+               "drilldown" : "007",
                "y" : 64,
-               "name" : "#007",
-               "drilldown" : "007"
+               "name" : "#007"
             },
             {
-               "y" : 78,
                "drilldown" : "008",
+               "y" : 78,
                "name" : "#008"
             },
             {
+               "drilldown" : "009",
                "y" : 76,
-               "name" : "#009",
-               "drilldown" : "009"
+               "name" : "#009"
             },
             {
+               "drilldown" : "010",
                "y" : 65,
-               "name" : "#010",
-               "drilldown" : "010"
+               "name" : "#010"
             },
             {
                "drilldown" : "011",
@@ -65,37 +63,37 @@
             },
             {
                "name" : "#012",
-               "drilldown" : "012",
-               "y" : 89
+               "y" : 89,
+               "drilldown" : "012"
             },
             {
                "drilldown" : "013",
-               "name" : "#013",
-               "y" : 85
+               "y" : 85,
+               "name" : "#013"
             },
             {
                "name" : "#014",
-               "drilldown" : "014",
-               "y" : 101
+               "y" : 101,
+               "drilldown" : "014"
             },
             {
+               "y" : 99,
                "name" : "#015",
-               "drilldown" : "015",
-               "y" : 99
+               "drilldown" : "015"
             },
             {
-               "drilldown" : "016",
+               "y" : 71,
                "name" : "#016",
-               "y" : 71
+               "drilldown" : "016"
             },
             {
-               "name" : "#017",
                "drilldown" : "017",
+               "name" : "#017",
                "y" : 84
             },
             {
-               "y" : 81,
                "name" : "#018",
+               "y" : 81,
                "drilldown" : "018"
             },
             {
@@ -104,44 +102,44 @@
                "y" : 103
             },
             {
-               "y" : 101,
                "name" : "#020",
+               "y" : 101,
                "drilldown" : "020"
             },
             {
                "name" : "#021",
-               "drilldown" : "021",
-               "y" : 72
+               "y" : 72,
+               "drilldown" : "021"
             },
             {
                "drilldown" : "022",
-               "name" : "#022",
-               "y" : 68
+               "y" : 68,
+               "name" : "#022"
             },
             {
+               "name" : "#023",
                "y" : 97,
-               "drilldown" : "023",
-               "name" : "#023"
+               "drilldown" : "023"
             },
             {
-               "y" : 75,
                "name" : "#024",
+               "y" : 75,
                "drilldown" : "024"
             },
             {
-               "drilldown" : "025",
+               "y" : 59,
                "name" : "#025",
-               "y" : 59
+               "drilldown" : "025"
             },
             {
+               "name" : "#026",
                "y" : 74,
-               "drilldown" : "026",
-               "name" : "#026"
+               "drilldown" : "026"
             },
             {
-               "drilldown" : "027",
+               "y" : 60,
                "name" : "#027",
-               "y" : 60
+               "drilldown" : "027"
             },
             {
                "drilldown" : "028",
@@ -150,38 +148,38 @@
             },
             {
                "y" : 79,
-               "drilldown" : "029",
-               "name" : "#029"
+               "name" : "#029",
+               "drilldown" : "029"
             },
             {
-               "name" : "#030",
                "drilldown" : "030",
-               "y" : 117
+               "y" : 117,
+               "name" : "#030"
             },
             {
+               "y" : 89,
                "name" : "#031",
-               "drilldown" : "031",
-               "y" : 89
+               "drilldown" : "031"
             },
             {
-               "name" : "#032",
                "drilldown" : "032",
+               "name" : "#032",
                "y" : 94
             },
             {
-               "y" : 110,
                "name" : "#033",
+               "y" : 110,
                "drilldown" : "033"
             },
             {
-               "name" : "#034",
                "drilldown" : "034",
-               "y" : 64
+               "y" : 64,
+               "name" : "#034"
             },
             {
                "name" : "#035",
-               "drilldown" : "035",
-               "y" : 64
+               "y" : 64,
+               "drilldown" : "035"
             },
             {
                "y" : 68,
@@ -189,64 +187,64 @@
                "drilldown" : "036"
             },
             {
-               "y" : 67,
                "drilldown" : "037",
-               "name" : "#037"
+               "name" : "#037",
+               "y" : 67
             },
             {
                "drilldown" : "038",
-               "name" : "#038",
-               "y" : 68
+               "y" : 68,
+               "name" : "#038"
             },
             {
+               "name" : "#039",
                "y" : 62,
-               "drilldown" : "039",
-               "name" : "#039"
+               "drilldown" : "039"
             },
             {
-               "y" : 73,
                "drilldown" : "040",
-               "name" : "#040"
+               "name" : "#040",
+               "y" : 73
             },
             {
                "drilldown" : "041",
-               "name" : "#041",
-               "y" : 76
+               "y" : 76,
+               "name" : "#041"
             },
             {
+               "name" : "#042",
                "y" : 92,
-               "drilldown" : "042",
-               "name" : "#042"
+               "drilldown" : "042"
             },
             {
-               "drilldown" : "043",
+               "y" : 68,
                "name" : "#043",
-               "y" : 68
+               "drilldown" : "043"
             },
             {
                "drilldown" : "044",
-               "name" : "#044",
-               "y" : 85
+               "y" : 85,
+               "name" : "#044"
             },
             {
-               "y" : 96,
                "name" : "#045",
+               "y" : 96,
                "drilldown" : "045"
             },
             {
+               "name" : "#046",
                "y" : 87,
-               "drilldown" : "046",
-               "name" : "#046"
+               "drilldown" : "046"
             },
             {
-               "drilldown" : "047",
                "name" : "#047",
-               "y" : 84
+               "y" : 84,
+               "drilldown" : "047"
             },
             {
+               "drilldown" : "048",
                "y" : 108,
-               "name" : "#048",
-               "drilldown" : "048"
+               "name" : "#048"
             },
             {
                "drilldown" : "049",
@@ -254,64 +252,64 @@
                "y" : 89
             },
             {
-               "drilldown" : "050",
+               "y" : 98,
                "name" : "#050",
-               "y" : 98
+               "drilldown" : "050"
             },
             {
+               "y" : 89,
                "name" : "#051",
-               "drilldown" : "051",
-               "y" : 89
+               "drilldown" : "051"
             },
             {
-               "drilldown" : "052",
+               "y" : 91,
                "name" : "#052",
-               "y" : 91
+               "drilldown" : "052"
             },
             {
-               "y" : 101,
                "drilldown" : "053",
+               "y" : 101,
                "name" : "#053"
             },
             {
-               "y" : 103,
                "drilldown" : "054",
+               "y" : 103,
                "name" : "#054"
             },
             {
+               "drilldown" : "055",
                "y" : 88,
-               "name" : "#055",
-               "drilldown" : "055"
+               "name" : "#055"
             },
             {
                "y" : 95,
-               "drilldown" : "056",
-               "name" : "#056"
+               "name" : "#056",
+               "drilldown" : "056"
             },
             {
                "drilldown" : "057",
-               "name" : "#057",
-               "y" : 80
+               "y" : 80,
+               "name" : "#057"
             },
             {
-               "name" : "#058",
                "drilldown" : "058",
+               "name" : "#058",
                "y" : 69
             },
             {
-               "name" : "#059",
                "drilldown" : "059",
-               "y" : 89
+               "y" : 89,
+               "name" : "#059"
             },
             {
+               "y" : 85,
                "name" : "#060",
-               "drilldown" : "060",
-               "y" : 85
+               "drilldown" : "060"
             },
             {
-               "y" : 81,
+               "drilldown" : "061",
                "name" : "#061",
-               "drilldown" : "061"
+               "y" : 81
             },
             {
                "y" : 58,
@@ -320,18 +318,18 @@
             },
             {
                "drilldown" : "063",
-               "name" : "#063",
-               "y" : 89
+               "y" : 89,
+               "name" : "#063"
             },
             {
-               "y" : 80,
                "drilldown" : "064",
-               "name" : "#064"
+               "name" : "#064",
+               "y" : 80
             },
             {
-               "y" : 73,
+               "drilldown" : "065",
                "name" : "#065",
-               "drilldown" : "065"
+               "y" : 73
             },
             {
                "y" : 84,
@@ -339,24 +337,24 @@
                "drilldown" : "066"
             },
             {
-               "y" : 90,
                "drilldown" : "067",
+               "y" : 90,
                "name" : "#067"
             },
             {
-               "drilldown" : "068",
                "name" : "#068",
-               "y" : 75
+               "y" : 75,
+               "drilldown" : "068"
             },
             {
                "drilldown" : "069",
-               "name" : "#069",
-               "y" : 83
+               "y" : 83,
+               "name" : "#069"
             },
             {
+               "drilldown" : "070",
                "y" : 93,
-               "name" : "#070",
-               "drilldown" : "070"
+               "name" : "#070"
             },
             {
                "y" : 78,
@@ -365,113 +363,113 @@
             },
             {
                "y" : 112,
-               "drilldown" : "072",
-               "name" : "#072"
+               "name" : "#072",
+               "drilldown" : "072"
             },
             {
-               "y" : 110,
                "drilldown" : "073",
-               "name" : "#073"
+               "name" : "#073",
+               "y" : 110
             },
             {
-               "y" : 115,
                "name" : "#074",
+               "y" : 115,
                "drilldown" : "074"
             },
             {
+               "y" : 115,
                "name" : "#075",
-               "drilldown" : "075",
-               "y" : 115
+               "drilldown" : "075"
             },
             {
                "name" : "#076",
-               "drilldown" : "076",
-               "y" : 99
+               "y" : 99,
+               "drilldown" : "076"
             },
             {
-               "drilldown" : "077",
+               "y" : 98,
                "name" : "#077",
-               "y" : 98
+               "drilldown" : "077"
             },
             {
                "drilldown" : "078",
-               "name" : "#078",
-               "y" : 127
+               "y" : 127,
+               "name" : "#078"
             },
             {
                "name" : "#079",
-               "drilldown" : "079",
-               "y" : 122
+               "y" : 122,
+               "drilldown" : "079"
             },
             {
+               "drilldown" : "080",
                "y" : 127,
-               "name" : "#080",
-               "drilldown" : "080"
+               "name" : "#080"
             },
             {
-               "drilldown" : "081",
                "name" : "#081",
-               "y" : 114
+               "y" : 114,
+               "drilldown" : "081"
             },
             {
                "drilldown" : "082",
-               "name" : "#082",
-               "y" : 114
+               "y" : 114,
+               "name" : "#082"
             },
             {
                "name" : "#083",
-               "drilldown" : "083",
-               "y" : 127
+               "y" : 127,
+               "drilldown" : "083"
             },
             {
                "drilldown" : "084",
-               "name" : "#084",
-               "y" : 119
+               "y" : 119,
+               "name" : "#084"
             },
             {
-               "drilldown" : "085",
                "name" : "#085",
-               "y" : 114
+               "y" : 114,
+               "drilldown" : "085"
             },
             {
-               "y" : 104,
                "name" : "#086",
+               "y" : 104,
                "drilldown" : "086"
             },
             {
-               "y" : 101,
+               "drilldown" : "087",
                "name" : "#087",
-               "drilldown" : "087"
+               "y" : 101
             },
             {
+               "y" : 121,
                "name" : "#088",
-               "drilldown" : "088",
-               "y" : 121
+               "drilldown" : "088"
             },
             {
-               "y" : 113,
                "name" : "#089",
+               "y" : 113,
                "drilldown" : "089"
             },
             {
                "y" : 113,
-               "drilldown" : "090",
-               "name" : "#090"
+               "name" : "#090",
+               "drilldown" : "090"
             },
             {
+               "y" : 108,
                "name" : "#091",
-               "drilldown" : "091",
-               "y" : 108
+               "drilldown" : "091"
             },
             {
-               "drilldown" : "092",
                "name" : "#092",
-               "y" : 98
+               "y" : 98,
+               "drilldown" : "092"
             },
             {
-               "name" : "#093",
                "drilldown" : "093",
-               "y" : 87
+               "y" : 87,
+               "name" : "#093"
             },
             {
                "y" : 87,
@@ -480,43 +478,43 @@
             },
             {
                "y" : 108,
-               "drilldown" : "095",
-               "name" : "#095"
+               "name" : "#095",
+               "drilldown" : "095"
             },
             {
+               "name" : "#096",
                "y" : 108,
-               "drilldown" : "096",
-               "name" : "#096"
+               "drilldown" : "096"
             },
             {
-               "y" : 111,
                "drilldown" : "097",
+               "y" : 111,
                "name" : "#097"
             },
             {
+               "y" : 108,
                "name" : "#098",
-               "drilldown" : "098",
-               "y" : 108
+               "drilldown" : "098"
             },
             {
+               "y" : 97,
                "name" : "#099",
-               "drilldown" : "099",
-               "y" : 97
+               "drilldown" : "099"
             },
             {
                "name" : "#100",
-               "drilldown" : "100",
-               "y" : 120
+               "y" : 120,
+               "drilldown" : "100"
             },
             {
+               "name" : "#101",
                "y" : 83,
-               "drilldown" : "101",
-               "name" : "#101"