- Added solutions by Peter Campbell Smith.

16 files changed, 1449 insertions, 1352 deletions

diff --git a/challenge-134/peter-campbell-smith/perl/ch-1.pl b/challenge-134/peter-campbell-smith/perl/ch-1.pl
new file mode 100755
index 0000000000..62aa948707
--- /dev/null
+++ b/challenge-134/peter-campbell-smith/perl/ch-1.pl
@@ -0,0 +1,33 @@
+#!/usr/bin/perl
+
+# Peter Campbell Smith - 2021-10-13
+# PWC 134 task 1
+
+use v5.20;
+use warnings;
+
+# Write a script to generate first 5 Pandigital Numbers in base 10.
+# A pandigital number is an integer that in a given base has among its significant 
+# digits each digit used in the base at least once.
+
+# The first such number is 1023456789 as we can't start with 0 which isn't 'significant'.
+#
+# The simplest way to find the next 4 is simply to test every subsequent integer
+# until all 5 are found.  Even if you are looking for the first 1000 pandigitals
+# this completes in a few seconds.
+
+my ($test, $count, $limit);
+
+$limit = 5;        # how many do we want
+$count = 0;		   # how many have we found
+
+# start with the known first one and test subsequent integers
+$test = 1023456789;
+while (1) {
+	if ($test =~ m|0| and $test =~ m|1| and $test =~ m|2| and $test =~ m|3| and $test =~ m|4|
+		and $test =~ m|5| and $test =~ m|6| and $test =~ m|7| and $test =~ m|8| and $test =~ m|9|) {
+		say $test;
+		last if ++$count == $limit;
+	}
+	$test ++;
+}
diff --git a/challenge-134/peter-campbell-smith/perl/ch-2.pl b/challenge-134/peter-campbell-smith/perl/ch-2.pl
new file mode 100755
index 0000000000..997399252a
--- /dev/null
+++ b/challenge-134/peter-campbell-smith/perl/ch-2.pl
@@ -0,0 +1,49 @@
+#!/usr/bin/perl
+
+# Peter Campbell Smith - 2021-10-13
+# PWC 134 task 2
+
+# You are given 2 positive numbers, $m and $n.
+# Write a script to generate multiplication table and display count of distinct terms.
+
+# Formatting the output is probably the hardest aspect of this challenge!
+
+use strict;
+use warnings;
+
+my ($m, $n, $col_width, $j, $k, $term, %terms, $line, $count);
+
+# get params
+print qq[m: ]; $m = <> + 0;
+print qq[n: ]; $n = <> + 0;
+print qq[\nInput: \$m = $m, \$n = $n\nOutput:\n\n];
+
+# calculate column width = width of largest term + 1
+$col_width = int(log($m * $n)/log(10)) + 1;
+
+# print top row and underline
+print sprintf(" %${col_width}s", 'x') . ' |';
+for $j (1 .. $n) {
+	print sprintf(" %${col_width}d", $j);
+}
+print qq[\n];
+print '-' x ($col_width + 2) . '+' . '-' x (($col_width + 1) * $n) . "\n";
+
+# print other rows
+for $j (1 .. $m) {
+	print sprintf(" %${col_width}d", $j) . ' |';
+	for $k (1 .. $n) {
+		$term = $j * $k;
+		print sprintf(" %${col_width}d", $term);
+		$terms{sprintf('%08d', $term)} = 1;   # pad to 8 digits to make them sort correctly
+	}
+	print qq[\n];
+}
+
+# print unique terms
+for $term (sort keys %terms) {
+	$line .= ($term + 0) . ', ';
+	$count ++;
+}
+
+print qq[\nDistinct terms: ] . substr($line, 0, -2) . qq[\nCount: $count\n\n];
diff --git a/stats/pwc-current.json b/stats/pwc-current.json
index 485621240a..d45d73fec2 100644
--- a/stats/pwc-current.json
+++ b/stats/pwc-current.json
@@ -1,4 +1,23 @@
 {
+   "title" : {
+      "text" : "The Weekly Challenge - 134"
+   },
+   "xAxis" : {
+      "type" : "category"
+   },
+   "yAxis" : {
+      "title" : {
+         "text" : "Total Solutions"
+      }
+   },
+   "chart" : {
+      "type" : "column"
+   },
+   "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/>"
+   },
    "series" : [
       {
          "data" : [
@@ -8,9 +27,9 @@
                "drilldown" : "Andinus"
             },
             {
+               "name" : "Andrezgz",
                "y" : 2,
-               "drilldown" : "Andrezgz",
-               "name" : "Andrezgz"
+               "drilldown" : "Andrezgz"
             },
             {
                "drilldown" : "Dave Jacoby",
@@ -19,38 +38,43 @@
             },
             {
                "y" : 2,
-               "drilldown" : "James Smith",
-               "name" : "James Smith"
+               "name" : "James Smith",
+               "drilldown" : "James Smith"
             },
             {
-               "y" : 4,
+               "drilldown" : "Luca Ferrari",
                "name" : "Luca Ferrari",
-               "drilldown" : "Luca Ferrari"
+               "y" : 4
             },
             {
                "name" : "Mark Anderson",
-               "drilldown" : "Mark Anderson",
+               "y" : 2,
+               "drilldown" : "Mark Anderson"
+            },
+            {
+               "drilldown" : "Mohammad S Anwar",
+               "name" : "Mohammad S Anwar",
                "y" : 2
             },
             {
+               "drilldown" : "Olivier Delouya",
                "y" : 2,
-               "name" : "Mohammad S Anwar",
-               "drilldown" : "Mohammad S Anwar"
+               "name" : "Olivier Delouya"
             },
             {
+               "drilldown" : "Peter Campbell Smith",
                "y" : 2,
-               "name" : "Olivier Delouya",
-               "drilldown" : "Olivier Delouya"
+               "name" : "Peter Campbell Smith"
             },
             {
+               "name" : "Roger Bell_West",
                "y" : 4,
-               "drilldown" : "Roger Bell_West",
-               "name" : "Roger Bell_West"
+               "drilldown" : "Roger Bell_West"
             },
             {
+               "y" : 2,
                "name" : "Simon Proctor",
-               "drilldown" : "Simon Proctor",
-               "y" : 2
+               "drilldown" : "Simon Proctor"
             },
             {
                "y" : 3,
@@ -58,23 +82,19 @@
                "drilldown" : "Ulrich Rieke"
             },
             {
-               "y" : 3,
+               "drilldown" : "W. Luis Mochan",
                "name" : "W. Luis Mochan",
-               "drilldown" : "W. Luis Mochan"
+               "y" : 3
             }
          ],
-         "colorByPoint" : 1,
-         "name" : "The Weekly Challenge - 134"
+         "name" : "The Weekly Challenge - 134",
+         "colorByPoint" : 1
       }
    ],
-   "yAxis" : {
-      "title" : {
-         "text" : "Total Solutions"
-      }
-   },
    "drilldown" : {
       "series" : [
          {
+            "id" : "Andinus",
             "data" : [
                [
                   "Raku",
@@ -85,8 +105,7 @@
                   1
                ]
             ],
-            "name" : "Andinus",
-            "id" : "Andinus"
+            "name" : "Andinus"
          },
          {
             "data" : [
@@ -99,7 +118,6 @@
             "id" : "Andrezgz"
          },
          {
-            "id" : "Dave Jacoby",
             "name" : "Dave Jacoby",
             "data" : [
                [
@@ -110,7 +128,8 @@
                   "Blog",
                   1
                ]
-            ]
+            ],
+            "id" : "Dave Jacoby"
          },
          {
             "id" : "James Smith",
@@ -123,6 +142,7 @@
             ]
          },
          {
+            "name" : "Luca Ferrari",
             "data" : [
                [
                   "Raku",
@@ -133,40 +153,51 @@
                   2
                ]
             ],
-            "name" : "Luca Ferrari",
             "id" : "Luca Ferrari"
          },
          {
-            "name" : "Mark Anderson",
-            "id" : "Mark Anderson",
             "data" : [
                [
                   "Raku",
                   2
                ]
-            ]
+            ],
+            "name" : "Mark Anderson",
+            "id" : "Mark Anderson"
          },
          {
+            "name" : "Mohammad S Anwar",
             "data" : [
                [
                   "Perl",
                   2
                ]
             ],
-            "name" : "Mohammad S Anwar",
             "id" : "Mohammad S Anwar"
          },
          {
+            "id" : "Olivier Delouya",
+            "name" : "Olivier Delouya",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ],
-            "id" : "Olivier Delouya",
-            "name" : "Olivier Delouya"
+            ]
+         },
+         {
+            "id" : "Peter Campbell Smith",
+            "name" : "Peter Campbell Smith",
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ]
+            ]
          },
          {
+            "id" : "Roger Bell_West",
+            "name" : "Roger Bell_West",
             "data" : [
                [
                   "Perl",
@@ -176,9 +207,7 @@
                   "Raku",
                   2
                ]
-            ],
-            "name" : "Roger Bell_West",
-            "id" : "Roger Bell_West"
+            ]
          },
          {
             "data" : [
@@ -191,7 +220,6 @@
             "id" : "Simon Proctor"
          },
          {
-            "id" : "Ulrich Rieke",
             "name" : "Ulrich Rieke",
             "data" : [
                [
@@ -202,7 +230,8 @@
                   "Raku",
                   2
                ]
-            ]
+            ],
+            "id" : "Ulrich Rieke"
          },
          {
             "data" : [
@@ -220,33 +249,19 @@
          }
       ]
    },
-   "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/>"
-   },
-   "xAxis" : {
-      "type" : "category"
-   },
-   "chart" : {
-      "type" : "column"
+   "legend" : {
+      "enabled" : 0
    },
-   "title" : {
-      "text" : "The Weekly Challenge - 134"
+   "subtitle" : {
+      "text" : "[Champions: 13] Last updated at 2021-10-13 17:43:21 GMT"
    },
    "plotOptions" : {
       "series" : {
-         "borderWidth" : 0,
          "dataLabels" : {
-            "format" : "{point.y}",
-            "enabled" : 1
-         }
+            "enabled" : 1,
+            "format" : "{point.y}"
+         },
+         "borderWidth" : 0
       }
-   },
-   "subtitle" : {
-      "text" : "[Champions: 12] Last updated at 2021-10-13 17:15:41 GMT"
-   },
-   "legend" : {
-      "enabled" : 0
    }
 }
diff --git a/stats/pwc-language-breakdown-summary.json b/stats/pwc-language-breakdown-summary.json
index 5a25579400..0a87ad4b18 100644
--- a/stats/pwc-language-breakdown-summary.json
+++ b/stats/pwc-language-breakdown-summary.json
@@ -1,23 +1,20 @@
 {
-   "legend" : {
-      "enabled" : "false"
-   },
    "subtitle" : {
-      "text" : "Last updated at 2021-10-13 17:15:41 GMT"
+      "text" : "Last updated at 2021-10-13 17:43:21 GMT"
    },
    "series" : [
       {
          "dataLabels" : {
             "y" : 10,
-            "style" : {
-               "fontFamily" : "Verdana, sans-serif",
-               "fontSize" : "13px"
-            },
-            "rotation" : -90,
             "color" : "#FFFFFF",
+            "format" : "{point.y:.0f}",
             "align" : "right",
             "enabled" : "true",
-            "format" : "{point.y:.0f}"
+            "rotation" : -90,
+            "style" : {
+               "fontFamily" : "Verdana, sans-serif",
+               "fontSize" : "13px"
+            }
          },
          "name" : "Contributions",
          "data" : [
@@ -27,7 +24,7 @@
             ],
             [
                "Perl",
-               6362
+               6364
             ],
             [
                "Raku",
@@ -36,6 +33,15 @@
          ]
       }
    ],
+   "legend" : {
+      "enabled" : "false"
+   },
+   "tooltip" : {
+      "pointFormat" : "<b>{point.y:.0f}</b>"
+   },
+   "chart" : {
+      "type" : "column"
+   },
    "yAxis" : {
       "title" : {
          "text" : null
@@ -45,19 +51,13 @@
    "title" : {
       "text" : "The Weekly Challenge Contributions [2019 - 2021]"
    },
-   "chart" : {
-      "type" : "column"
-   },
    "xAxis" : {
+      "type" : "category",
       "labels" : {
          "style" : {
-            "fontSize" : "13px",
-            "fontFamily" : "Verdana, sans-serif"
+            "fontFamily" : "Verdana, sans-serif",
+            "fontSize" : "13px"
          }
-      },
-      "type" : "category"
-   },
-   "tooltip" : {
-      "pointFormat" : "<b>{point.y:.0f}</b>"
+      }
    }
 }
diff --git a/stats/pwc-language-breakdown.json b/stats/pwc-language-breakdown.json
index 36a271b06c..723741a1b1 100644
--- a/stats/pwc-language-breakdown.json
+++ b/stats/pwc-language-breakdown.json
@@ -1,9 +1,33 @@
 {
+   "chart" : {
+      "type" : "column"
+   },
+   "yAxis" : {
+      "title" : {
+         "text" : "Total Solutions"
+      }
+   },
+   "xAxis" : {
+      "type" : "category"
+   },
+   "title" : {
+      "text" : "The Weekly Challenge Language"
+   },
+   "subtitle" : {
+      "text" : "Click the columns to drilldown the language breakdown. Last updated at 2021-10-13 17:43:21 GMT"
+   },
+   "plotOptions" : {
+      "series" : {
+         "dataLabels" : {
+            "format" : "{point.y}",
+            "enabled" : 1
+         },
+         "borderWidth" : 0
+      }
+   },
    "drilldown" : {
       "series" : [
          {
-            "name" : "001",
-            "id" : "001",
             "data" : [
                [
                   "Perl",
@@ -17,9 +41,12 @@
                   "Blog",
                   11
                ]
-            ]
+            ],
+            "name" : "001",
+            "id" : "001"
          },
          {
+            "id" : "002",
             "data" : [
                [
                   "Perl",
@@ -34,10 +61,11 @@
                   10
                ]
             ],
-            "name" : "002",
-            "id" : "002"
+            "name" : "002"
          },
          {
+            "id" : "003",
+            "name" : "003",
             "data" : [
                [
                   "Perl",
@@ -51,13 +79,10 @@
                   "Blog",
                   9
                ]
-            ],
-            "id" : "003",
-            "name" : "003"
+            ]
          },
          {
             "id" : "004",
-            "name" : "004",
             "data" : [
                [
                   "Perl",
@@ -71,11 +96,10 @@
                   "Blog",
                   10
                ]
-            ]
+            ],
+            "name" : "004"
          },
          {
-            "name" : "005",
-            "id" : "005",
             "data" : [
                [
                   "Perl",
@@ -89,9 +113,13 @@
                   "Blog",
                   12
                ]
-            ]
+            ],
+            "name" : "005",
+            "id" : "005"
          },
          {
+            "id" : "006",
+            "name" : "006",
             "data" : [
                [
                   "Perl",
@@ -105,12 +133,9 @@
                   "Blog",
                   7
                ]
-            ],
-            "name" : "006",
-            "id" : "006"
+            ]
          },
          {
-            "name" : "007",
             "id" : "007",
             "data" : [
                [
@@ -125,9 +150,12 @@
                   "Blog",
                   10
                ]
-            ]
+            ],
+            "name" : "007"
          },
          {
+            "id" : "008",
+            "name" : "008",
             "data" : [
                [
                   "Perl",
@@ -141,12 +169,9 @@
                   "Blog",
                   12
                ]
-            ],
-            "name" : "008",
-            "id" : "008"
+            ]
          },
          {
-            "name" : "009",
             "id" : "009",
             "data" : [
                [
@@ -161,11 +186,11 @@
                   "Blog",
                   13
                ]
-            ]
+            ],
+            "name" : "009"
          },
          {
             "id" : "010",
-            "name" : "010",
             "data" : [
                [
                   "Perl",
@@ -179,9 +204,12 @@
                   "Blog",
                   11
                ]
-            ]
+            ],
+            "name" : "010"
          },
          {
+            "id" : "011",
+            "name" : "011",
             "data" : [
                [
                   "Perl",
@@ -195,13 +223,10 @@
                   "Blog",
                   10
                ]
-            ],
-            "id" : "011",
-            "name" : "011"
+            ]
          },
          {
             "name" : "012",
-            "id" : "012",
             "data" : [
                [
                   "Perl",
@@ -215,11 +240,10 @@
                   "Blog",
                   11
                ]
-            ]
+            ],
+            "id" : "012"
          },
          {
-            "id" : "013",
-            "name" : "013",
             "data" : [
                [
                   "Perl",
@@ -233,10 +257,11 @@
                   "Blog",
                   13
                ]
-            ]
+            ],
+            "name" : "013",
+            "id" : "013"
          },
          {
-            "id" : "014",
             "name" : "014",
             "data" : [
                [
@@ -251,9 +276,11 @@
                   "Blog",
                   15
                ]
-            ]
+            ],
+            "id" : "014"
          },
          {
+            "id" : "015",
             "data" : [
                [
                   "Perl",
@@ -268,8 +295,7 @@
                   15
                ]
             ],
-            "name" : "015",
-            "id" : "015"
+            "name" : "015"
          },
          {
             "data" : [
@@ -286,10 +312,12 @@
                   12
                ]
             ],
-            "id" : "016",
-            "name" : "016"
+            "name" : "016",
+            "id" : "016"
          },
          {
+            "id" : "017",
+            "name" : "017",
             "data" : [
                [
                   "Perl",
@@ -303,11 +331,11 @@
                   "Blog",
                   12
                ]
-            ],
-            "id" : "017",
-            "name" : "017"
+            ]
          },
          {
+            "id" : "018",
+            "name" : "018",
             "data" : [
                [
                   "Perl",
@@ -321,13 +349,11 @@
                   "Blog",
                   14
                ]
-            ],
-            "name" : "018",
-            "id" : "018"
+            ]
          },
          {
-            "name" : "019",
             "id" : "019",
+            "name" : "019",
             "data" : [
                [
                   "Perl",
@@ -344,6 +370,8 @@
             ]
          },
          {
+            "id" : "020",
+            "name" : "020",
             "data" : [
                [
                   "Perl",
@@ -357,13 +385,10 @@
                   "Blog",
                   13
                ]
-            ],
-            "id" : "020",
-            "name" : "020"
+            ]
          },
          {
             "id" : "021",
-            "name" : "021",
             "data" : [
                [
                   "Perl",
@@ -377,9 +402,12 @@
                   "Blog",
                   10
                ]
-            ]
+            ],
+            "name" : "021"
          },
          {
+            "id" : "022",
+            "name" : "022",
             "data" : [
                [
                   "Perl",
@@ -393,11 +421,10 @@
                   "Blog",
                   10
                ]
-            ],
-            "name" : "022",
-            "id" : "022"
+            ]
          },
          {
+            "name" : "023",
             "data" : [
                [
                   "Perl",
@@ -412,10 +439,11 @@
                   12
                ]
             ],
-            "id" : "023",
-            "name" : "023"
+            "id" : "023"
          },
          {
+            "id" : "024",
+            "name" : "024",
             "data" : [
                [
                   "Perl",
@@ -429,11 +457,10 @@
                   "Blog",
                   11
                ]
-            ],
-            "id" : "024",
-            "name" : "024"
+            ]
          },
          {
+            "name" : "025",
             "data" : [
                [
                   "Perl",
@@ -448,12 +475,11 @@
                   12
                ]
             ],
-            "id" : "025",
-            "name" : "025"
+            "id" : "025"
          },
          {
-            "name" : "026",
             "id" : "026",
+            "name" : "026",
             "data" : [
                [
                   "Perl",
@@ -470,8 +496,8 @@
             ]
          },
          {
-            "name" : "027",
             "id" : "027",
+            "name" : "027",
             "data" : [
                [
                   "Perl",
@@ -488,6 +514,8 @@
             ]
          },
          {
+            "id" : "028",
+            "name" : "028",
             "data" : [
                [
                   "Perl",
@@ -501,11 +529,10 @@
                   "Blog",
                   9
                ]
-            ],
-            "id" : "028",
-            "name" : "028"
+            ]
          },
          {
+            "id" : "029",
             "data" : [
                [
                   "Perl",
@@ -520,12 +547,9 @@
                   12
                ]
             ],
-            "name" : "029",
-            "id" : "029"
+            "name" : "029"
          },
          {
-            "id" : "030",
-            "name" : "030",
             "data" : [
                [
                   "Perl",
@@ -539,9 +563,13 @@
                   "Blog",
                   10
                ]
-            ]
+            ],
+            "name" : "030",
+            "id" : "030"
          },
          {
+            "id" : "031",
+            "name" : "031",
             "data" : [
                [
                   "Perl",
@@ -555,12 +583,9 @@
                   "Blog",
                   9
                ]
-            ],
-            "name" : "031",
-            "id" : "031"
+            ]
          },
          {
-            "id" : "032",
             "name" : "032",
             "data" : [
                [
@@ -575,10 +600,10 @@
                   "Blog",
                   10
                ]
-            ]
+            ],
+            "id" : "032"
          },
          {
-            "name" : "033",
             "id" : "033",
             "data" : [
                [
@@ -593,9 +618,11 @@
                   "Blog",
                   10
                ]
-            ]
+            ],
+            "name" : "033"
          },
          {
+            "id" : "034",
             "data" : [
                [
                   "Perl",
@@ -610,8 +637,7 @@
                   11
                ]
             ],
-            "name" : "034",
-            "id" : "034"
+            "name" : "034"
          },
          {
             "id" : "035",
@@ -632,8 +658,6 @@
             ]
          },
          {
-            "id" : "036",
-            "name" : "036",
             "data" : [
                [
                   "Perl",
@@ -647,11 +671,11 @@
                   "Blog",
                   11
                ]
-            ]
+            ],
+            "name" : "036",
+            "id" : "036"
          },
          {
-            "name" : "037",
-            "id" : "037",
             "data" : [
                [
                   "Perl",
@@ -665,9 +689,13 @@
                   "Blog",
                   9
                ]
-            ]
+            ],
+            "name" : "037",
+            "id" : "037"
          },
          {
+            "id" : "038",
+            "name" : "038",
             "data" : [
                [
                   "Perl",
@@ -681,9 +709,7 @@
                   "Blog",
                   12
                ]
-            ],
-            "name" : "038",
-            "id" : "038"
+            ]
          },
          {
             "data" : [
@@ -700,10 +726,11 @@
                   12
                ]
             ],
-            "id" : "039",
-            "name" : "039"
+            "name" : "039",
+            "id" : "039"
          },
          {
+            "name" : "040",
             "data" : [
                [
                   "Perl",
@@ -718,8 +745,7 @@
                   10
                ]
             ],
-            "id" : "040",
-            "name" : "040"
+            "id" : "040"
          },
          {
             "data" : [
@@ -736,11 +762,10 @@
                   9
                ]
             ],
-            "id" : "041",
-            "name" : "041"
+            "name" : "041",
+            "id" : "041"
          },
          {
-            "name" : "042",
             "id" : "042",
             "data" : [
                [
@@ -755,9 +780,11 @@
                   "Blog",
                   11
                ]
-            ]
+            ],
+            "name" : "042"
          },
          {
+            "name" : "043",
             "data" : [
                [
                   "Perl",
@@ -772,10 +799,10 @@
                   11
                ]
             ],
-            "id" : "043",
-            "name" : "043"
+            "id" : "043"
          },
          {
+            "name" : "044",
             "data" : [
                [
                   "Perl",
@@ -790,10 +817,10 @@
                   11
                ]
             ],
-            "id" : "044",
-            "name" : "044"
+            "id" : "044"
          },
          {
+            "id" : "045",
             "data" : [
                [
                   "Perl",
@@ -808,7 +835,6 @@
                   11
                ]
             ],
-            "id" : "045",
             "name" : "045"
          },
          {
@@ -844,11 +870,10 @@
                   10
                ]
             ],
-            "id" : "047",
-            "name" : "047"
+            "name" : "047",
+            "id" : "047"
          },
          {