- Added Raku solutions for the "Zero Matrix" task.

11 files changed, 1315 insertions, 1311 deletions

diff --git a/stats/pwc-current.json b/stats/pwc-current.json
index 327f2f5d65..d3ff5013dd 100644
--- a/stats/pwc-current.json
+++ b/stats/pwc-current.json
@@ -1,4 +1,7 @@
 {
+   "subtitle" : {
+      "text" : "[Champions: 11] Last updated at 2020-07-08 07:40:46 GMT"
+   },
    "xAxis" : {
       "type" : "category"
    },
@@ -7,78 +10,29 @@
          "text" : "Total Solutions"
       }
    },
+   "title" : {
+      "text" : "Perl Weekly Challenge - 068"
+   },
+   "plotOptions" : {
+      "series" : {
+         "dataLabels" : {
+            "format" : "{point.y}",
+            "enabled" : 1
+         },
+         "borderWidth" : 0
+      }
+   },
+   "chart" : {
+      "type" : "column"
+   },
    "tooltip" : {
       "followPointer" : 1,
-      "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/>"
+      "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/>"
    },
-   "series" : [
-      {
-         "colorByPoint" : 1,
-         "data" : [
-            {
-               "y" : 2,
-               "drilldown" : "Andrew Shitov",
-               "name" : "Andrew Shitov"
-            },
-            {
-               "drilldown" : "E. Choroba",
-               "name" : "E. Choroba",
-               "y" : 2
-            },
-            {
-               "y" : 5,
-               "name" : "Javier Luque",
-               "drilldown" : "Javier Luque"
-            },
-            {
-               "y" : 4,
-               "drilldown" : "Luca Ferrari",
-               "name" : "Luca Ferrari"
-            },
-            {
-               "drilldown" : "Mark Anderson",
-               "name" : "Mark Anderson",
-               "y" : 1
-            },
-            {
-               "y" : 2,
-               "drilldown" : "Mohammad S Anwar",
-               "name" : "Mohammad S Anwar"
-            },
-            {
-               "drilldown" : "Niels van Dijke",
-               "name" : "Niels van Dijke",
-               "y" : 2
-            },
-            {
-               "drilldown" : "Roger Bell_West",
-               "name" : "Roger Bell_West",
-               "y" : 2
-            },
-            {
-               "y" : 2,
-               "name" : "Simon Proctor",
-               "drilldown" : "Simon Proctor"
-            },
-            {
-               "drilldown" : "Ulrich Rieke",
-               "name" : "Ulrich Rieke",
-               "y" : 3
-            },
-            {
-               "y" : 2,
-               "name" : "Walt Mankowski",
-               "drilldown" : "Walt Mankowski"
-            }
-         ],
-         "name" : "Perl Weekly Challenge - 068"
-      }
-   ],
    "drilldown" : {
       "series" : [
          {
-            "name" : "Andrew Shitov",
             "data" : [
                [
                   "Raku",
@@ -89,17 +43,18 @@
                   1
                ]
             ],
-            "id" : "Andrew Shitov"
+            "id" : "Andrew Shitov",
+            "name" : "Andrew Shitov"
          },
          {
+            "id" : "E. Choroba",
+            "name" : "E. Choroba",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ],
-            "id" : "E. Choroba",
-            "name" : "E. Choroba"
+            ]
          },
          {
             "data" : [
@@ -116,11 +71,10 @@
                   1
                ]
             ],
-            "name" : "Javier Luque",
-            "id" : "Javier Luque"
+            "id" : "Javier Luque",
+            "name" : "Javier Luque"
          },
          {
-            "name" : "Luca Ferrari",
             "data" : [
                [
                   "Raku",
@@ -131,47 +85,52 @@
                   2
                ]
             ],
-            "id" : "Luca Ferrari"
+            "id" : "Luca Ferrari",
+            "name" : "Luca Ferrari"
          },
          {
+            "name" : "Mark Anderson",
+            "id" : "Mark Anderson",
             "data" : [
                [
                   "Raku",
                   1
                ]
-            ],
-            "id" : "Mark Anderson",
-            "name" : "Mark Anderson"
+            ]
          },
          {
-            "id" : "Mohammad S Anwar",
             "data" : [
                [
                   "Perl",
                   2
+               ],
+               [
+                  "Raku",
+                  1
                ]
             ],
-            "name" : "Mohammad S Anwar"
+            "name" : "Mohammad S Anwar",
+            "id" : "Mohammad S Anwar"
          },
          {
-            "id" : "Niels van Dijke",
             "data" : [
                [
                   "Perl",
                   2
                ]
             ],
-            "name" : "Niels van Dijke"
+            "name" : "Niels van Dijke",
+            "id" : "Niels van Dijke"
          },
          {
+            "id" : "Roger Bell_West",
+            "name" : "Roger Bell_West",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ],
-            "name" : "Roger Bell_West",
-            "id" : "Roger Bell_West"
+            ]
          },
          {
             "data" : [
@@ -180,49 +139,94 @@
                   2
                ]
             ],
-            "id" : "Simon Proctor",
-            "name" : "Simon Proctor"
+            "name" : "Simon Proctor",
+            "id" : "Simon Proctor"
          },
          {
-            "name" : "Ulrich Rieke",
             "data" : [
                [
                   "Raku",
                   3
                ]
             ],
-            "id" : "Ulrich Rieke"
+            "id" : "Ulrich Rieke",
+            "name" : "Ulrich Rieke"
          },
          {
-            "id" : "Walt Mankowski",
             "data" : [
                [
                   "Perl",
                   2
                ]
             ],
+            "id" : "Walt Mankowski",
             "name" : "Walt Mankowski"
          }
       ]
    },
-   "subtitle" : {
-      "text" : "[Champions: 11] Last updated at 2020-07-08 05:42:05 GMT"
-   },
-   "plotOptions" : {
-      "series" : {
-         "dataLabels" : {
-            "enabled" : 1,
-            "format" : "{point.y}"
-         },
-         "borderWidth" : 0
+   "series" : [
+      {
+         "data" : [
+            {
+               "y" : 2,
+               "drilldown" : "Andrew Shitov",
+               "name" : "Andrew Shitov"
+            },
+            {
+               "y" : 2,
+               "name" : "E. Choroba",
+               "drilldown" : "E. Choroba"
+            },
+            {
+               "name" : "Javier Luque",
+               "drilldown" : "Javier Luque",
+               "y" : 5
+            },
+            {
+               "y" : 4,
+               "name" : "Luca Ferrari",
+               "drilldown" : "Luca Ferrari"
+            },
+            {
+               "y" : 1,
+               "name" : "Mark Anderson",
+               "drilldown" : "Mark Anderson"
+            },
+            {
+               "y" : 3,
+               "name" : "Mohammad S Anwar",
+               "drilldown" : "Mohammad S Anwar"
+            },
+            {
+               "name" : "Niels van Dijke",
+               "drilldown" : "Niels van Dijke",
+               "y" : 2
+            },
+            {
+               "drilldown" : "Roger Bell_West",
+               "name" : "Roger Bell_West",
+               "y" : 2
+            },
+            {
+               "name" : "Simon Proctor",
+               "drilldown" : "Simon Proctor",
+               "y" : 2
+            },
+            {
+               "drilldown" : "Ulrich Rieke",
+               "name" : "Ulrich Rieke",
+               "y" : 3
+            },
+            {
+               "drilldown" : "Walt Mankowski",
+               "name" : "Walt Mankowski",
+               "y" : 2
+            }
+         ],
+         "name" : "Perl Weekly Challenge - 068",
+         "colorByPoint" : 1
       }
-   },
-   "chart" : {
-      "type" : "column"
-   },
-   "title" : {
-      "text" : "Perl Weekly Challenge - 068"
-   },
+   ],
    "legend" : {
       "enabled" : 0
    }
diff --git a/stats/pwc-language-breakdown-summary.json b/stats/pwc-language-breakdown-summary.json
index e1e353b8c2..5053be12cc 100644
--- a/stats/pwc-language-breakdown-summary.json
+++ b/stats/pwc-language-breakdown-summary.json
@@ -1,39 +1,22 @@
 {
-   "legend" : {
-      "enabled" : "false"
-   },
-   "title" : {
-      "text" : "Perl Weekly Challenge Contributions [2019 - 2020]"
-   },
-   "chart" : {
-      "type" : "column"
-   },
-   "subtitle" : {
-      "text" : "Last updated at 2020-07-08 05:42:05 GMT"
-   },
-   "xAxis" : {
-      "type" : "category",
-      "labels" : {
-         "style" : {
-            "fontSize" : "13px",
-            "fontFamily" : "Verdana, sans-serif"
-         }
-      }
+   "tooltip" : {
+      "pointFormat" : "<b>{point.y:.0f}</b>"
    },
    "series" : [
       {
          "dataLabels" : {
+            "rotation" : -90,
             "format" : "{point.y:.0f}",
             "style" : {
-               "fontSize" : "13px",
-               "fontFamily" : "Verdana, sans-serif"
+               "fontFamily" : "Verdana, sans-serif",
+               "fontSize" : "13px"
             },
-            "align" : "right",
             "color" : "#FFFFFF",
             "enabled" : "true",
             "y" : 10,
-            "rotation" : -90
+            "align" : "right"
          },
+         "name" : "Contributions",
          "data" : [
             [
                "Blog",
@@ -45,19 +28,36 @@
             ],
             [
                "Raku",
-               1794
+               1795
             ]
-         ],
-         "name" : "Contributions"
+         ]
       }
    ],
+   "legend" : {
+      "enabled" : "false"
+   },
+   "xAxis" : {
+      "labels" : {
+         "style" : {
+            "fontFamily" : "Verdana, sans-serif",
+            "fontSize" : "13px"
+         }
+      },
+      "type" : "category"
+   },
+   "subtitle" : {
+      "text" : "Last updated at 2020-07-08 07:40:46 GMT"
+   },
+   "title" : {
+      "text" : "Perl Weekly Challenge Contributions [2019 - 2020]"
+   },
    "yAxis" : {
+      "min" : 0,
       "title" : {
          "text" : null
-      },
-      "min" : 0
+      }
    },
-   "tooltip" : {
-      "pointFormat" : "<b>{point.y:.0f}</b>"
+   "chart" : {
+      "type" : "column"
    }
 }
diff --git a/stats/pwc-language-breakdown.json b/stats/pwc-language-breakdown.json
index 4aa08e8c43..23a3e76bc6 100644
--- a/stats/pwc-language-breakdown.json
+++ b/stats/pwc-language-breakdown.json
@@ -1,16 +1,357 @@
 {
-   "chart" : {
-      "type" : "column"
-   },
-   "legend" : {
-      "enabled" : "false"
-   },
-   "title" : {
-      "text" : "Perl Weekly Challenge Language"
-   },
+   "series" : [
+      {
+         "name" : "Perl Weekly Challenge Languages",
+         "data" : [
+            {
+               "name" : "#001",
+               "drilldown" : "001",
+               "y" : 142
+            },
+            {
+               "y" : 109,
+               "drilldown" : "002",
+               "name" : "#002"
+            },
+            {
+               "drilldown" : "003",
+               "name" : "#003",
+               "y" : 71
+            },
+            {
+               "name" : "#004",
+               "drilldown" : "004",
+               "y" : 91
+            },
+            {
+               "y" : 72,
+               "drilldown" : "005",
+               "name" : "#005"
+            },
+            {
+               "y" : 52,
+               "name" : "#006",
+               "drilldown" : "006"
+            },
+            {
+               "y" : 59,
+               "name" : "#007",
+               "drilldown" : "007"
+            },
+            {
+               "y" : 72,
+               "name" : "#008",
+               "drilldown" : "008"
+            },
+            {
+               "name" : "#009",
+               "drilldown" : "009",
+               "y" : 68
+            },
+            {
+               "y" : 60,
+               "name" : "#010",
+               "drilldown" : "010"
+            },
+            {
+               "name" : "#011",
+               "drilldown" : "011",
+               "y" : 79
+            },
+            {
+               "y" : 83,
+               "name" : "#012",
+               "drilldown" : "012"
+            },
+            {
+               "drilldown" : "013",
+               "name" : "#013",
+               "y" : 76
+            },
+            {
+               "y" : 96,
+               "name" : "#014",
+               "drilldown" : "014"
+            },
+            {
+               "y" : 93,
+               "name" : "#015",
+               "drilldown" : "015"
+            },
+            {
+               "drilldown" : "016",
+               "name" : "#016",
+               "y" : 66
+            },
+            {
+               "y" : 79,
+               "name" : "#017",
+               "drilldown" : "017"
+            },
+            {
+               "y" : 76,
+               "drilldown" : "018",
+               "name" : "#018"
+            },
+            {
+               "drilldown" : "019",
+               "name" : "#019",
+               "y" : 97
+            },
+            {
+               "y" : 95,
+               "name" : "#020",
+               "drilldown" : "020"
+            },
+            {
+               "y" : 67,
+               "name" : "#021",
+               "drilldown" : "021"
+            },
+            {
+               "y" : 63,
+               "name" : "#022",
+               "drilldown" : "022"
+            },
+            {
+               "y" : 91,
+               "name" : "#023",
+               "drilldown" : "023"
+            },
+            {
+               "y" : 70,
+               "drilldown" : "024",
+               "name" : "#024"
+            },
+            {
+               "name" : "#025",
+               "drilldown" : "025",
+               "y" : 55
+            },
+            {
+               "drilldown" : "026",
+               "name" : "#026",
+               "y" : 70
+            },
+            {
+               "y" : 58,
+               "drilldown" : "027",
+               "name" : "#027"
+            },
+            {
+               "name" : "#028",
+               "drilldown" : "028",
+               "y" : 78
+            },
+            {
+               "drilldown" : "029",
+               "name" : "#029",
+               "y" : 77
+            },
+            {
+               "name" : "#030",
+               "drilldown" : "030",
+               "y" : 115
+            },
+            {
+               "y" : 87,
+               "drilldown" : "031",
+               "name" : "#031"
+            },
+            {
+               "y" : 92,
+               "drilldown" : "032",
+               "name" : "#032"
+            },
+            {
+               "y" : 108,
+               "drilldown" : "033",
+               "name" : "#033"
+            },
+            {
+               "y" : 62,
+               "drilldown" : "034",
+               "name" : "#034"
+            },
+            {
+               "y" : 62,
+               "drilldown" : "035",
+               "name" : "#035"
+            },
+            {
+               "name" : "#036",
+               "drilldown" : "036",
+               "y" : 66
+            },
+            {
+               "y" : 65,
+               "drilldown" : "037",
+               "name" : "#037"
+            },
+            {
+               "drilldown" : "038",
+               "name" : "#038",
+               "y" : 65
+            },
+            {
+               "drilldown" : "039",
+               "name" : "#039",
+               "y" : 60
+            },
+            {
+               "drilldown" : "040",
+               "name" : "#040",
+               "y" : 71
+            },
+            {
+               "y" : 74,
+               "drilldown" : "041",
+               "name" : "#041"
+            },
+            {
+               "y" : 88,
+               "name" : "#042",
+               "drilldown" : "042"
+            },
+            {
+               "y" : 66,
+               "name" : "#043",
+               "drilldown" : "043"
+            },
+            {
+               "y" : 82,
+               "name" : "#044",
+               "drilldown" : "044"
+            },
+            {
+               "drilldown" : "045",
+               "name" : "#045",
+               "y" : 94
+            },
+            {
+               "drilldown" : "046",
+               "name" : "#046",
+               "y" : 85
+            },
+            {
+               "drilldown" : "047",
+               "name" : "#047",
+               "y" : 82
+            },
+            {
+               "y" : 106,
+               "name" : "#048",
+               "drilldown" : "048"
+            },
+            {
+               "y" : 85,
+               "drilldown" : "049",
+               "name" : "#049"
+            },
+            {
+               "y" : 96,
+               "drilldown" : "050",
+               "name" : "#050"
+            },
+            {
+               "drilldown" : "051",
+               "name" : "#051",
+               "y" : 87
+            },
+            {
+               "name" : "#052",
+               "drilldown" : "052",
+               "y" : 89
+            },
+            {
+               "y" : 99,
+               "name" : "#053",
+               "drilldown" : "053"
+            },
+            {
+               "name" : "#054",
+               "drilldown" : "054",
+               "y" : 99
+            },
+            {
+               "name" : "#055",
+               "drilldown" : "055",
+               "y" : 86
+            },
+            {
+               "y" : 93,
+               "name" : "#056",
+               "drilldown" : "056"
+            },
+            {
+               "y" : 78,
+               "drilldown" : "057",
+               "name" : "#057"
+            },
+            {
+               "y" : 62,
+               "drilldown" : "058",
+               "name" : "#058"
+            },
+            {
+               "y" : 82,
+               "drilldown" : "059",
+               "name" : "#059"
+            },
+            {
+               "y" : 78,
+               "drilldown" : "060",
+               "name" : "#060"
+            },
+            {
+               "y" : 79,
+               "drilldown" : "061",
+               "name" : "#061"
+            },
+            {
+               "drilldown" : "062",
+               "name" : "#062",
+               "y" : 54
+            },
+            {
+               "y" : 87,
+               "name" : "#063",
+               "drilldown" : "063"
+            },
+            {
+               "name" : "#064",
+               "drilldown" : "064",
+               "y" : 76
+            },
+            {
+               "y" : 71,
+               "drilldown" : "065",
+               "name" : "#065"
+            },
+            {
+               "y" : 81,
+               "name" : "#066",
+               "drilldown" : "066"
+            },
+            {
+               "drilldown" : "067",
+               "name" : "#067",
+               "y" : 86
+            },
+            {
+               "drilldown" : "068",
+               "name" : "#068",
+               "y" : 28
+            }
+         ],
+         "colorByPoint" : "true"
+      }
+   ],
    "drilldown" : {
       "series" : [
          {
+            "id" : "001",
+            "name" : "001",
             "data" : [
                [
                   "Perl",
@@ -24,12 +365,11 @@
                   "Blog",
                   11
                ]
-            ],
-            "name" : "001",
-            "id" : "001"
+            ]
          },
          {
             "name" : "002",
+            "id" : "002",
             "data" : [
                [
                   "Perl",
@@ -43,8 +383,7 @@
                   "Blog",
                   10
                ]
-            ],
-            "id" : "002"
+            ]
          },
          {
             "data" : [
@@ -61,8 +400,8 @@
                   9
                ]
             ],
-            "id" : "003",
-            "name" : "003"
+            "name" : "003",
+            "id" : "003"
          },
          {
             "data" : [
@@ -79,8 +418,8 @@
                   10
                ]
             ],
-            "name" : "004",
-            "id" : "004"
+            "id" : "004",
+            "name" : "004"
          },
          {
             "data" : [
@@ -97,10 +436,11 @@
                   12
                ]
             ],
-            "name" : "005",
-            "id" : "005"
+            "id" : "005",
+            "name" : "005"
          },
          {
+            "id" : "006",
             "name" : "006",
             "data" : [
                [
@@ -115,10 +455,11 @@
                   "Blog",
                   7
                ]
-            ],
-            "id" : "006"
+            ]
          },
          {
+            "id" : "007",
+            "name" : "007",
             "data" : [
                [
                   "Perl",
@@ -132,12 +473,9 @@
                   "Blog",
                   10
                ]
-            ],
-            "id" : "007",
-            "name" : "007"
+            ]
          },
          {
-            "name" : "008",
             "data" : [
                [
                   "Perl",
@@ -152,9 +490,12 @@
                   12
                ]
             ],
+            "name" : "008",
             "id" : "008"
          },
          {
+            "id" : "009",
+            "name" : "009",
             "data" : [
                [
                   "Perl",
@@ -168,12 +509,9 @@
                   "Blog",
                   13
                ]
-            ],
-            "name" : "009",
-            "id" : "009"
+            ]
          },
          {
-            "id" : "010",
             "data" : [
                [
                   "Perl",
@@ -188,10 +526,10 @@
                   11
                ]
             ],
+            "id" : "010",
             "name" : "010"
          },
          {
-            "name" : "011",
             "data" : [
                [
                   "Perl",
@@ -206,10 +544,10 @@
                   10
                ]
             ],
-            "id" : "011"
+            "id" : "011",
+            "name" : "011"
          },
          {
-            "name" : "012",
             "data" : [
                [
                   "Perl",
@@ -224,10 +562,12 @@
                   11
                ]
             ],
-            "id" : "012"
+            "id" : "012",
+            "name" : "012"
          },
          {
             "id" : "013",
+            "name" : "013",
             "data" : [
                [
                   "Perl",
@@ -241,8 +581,7 @@
                   "Blog",
                   13
                ]
-            ],
-            "name" : "013"
+            ]
          },
          {
             "data" : [
@@ -259,11 +598,10 @@
                   15
                ]
             ],
-            "id" : "014",
-            "name" : "014"
+            "name" : "014",
+            "id" : "014"
          },
          {
-            "name" : "015",
             "data" : [
                [
                   "Perl",
@@ -278,10 +616,10 @@
                   15
                ]
             ],
+            "name" : "015",
             "id" : "015"
          },
          {
-            "id" : "016",
             "data" : [
                [
                   "Perl",
@@ -296,9 +634,12 @@
                   12
                ]
             ],
+            "id" : "016",
             "name" : "016"
          },
          {
+            "name" : "017",
+            "id" : "017",
             "data" : [
                [
                   "Perl",
@@ -312,12 +653,9 @@
                   "Blog",
                   12
                ]
-            ],
-            "name" : "017",
-            "id" : "017"
+            ]
          },
          {
-            "name" : "018",
             "data" : [
                [
                   "Perl",
@@ -332,9 +670,11 @@
                   14
                ]
             ],
+            "name" : "018",
             "id" : "018"
          },
          {
+            "id" : "019",
             "name" : "019",
             "data" : [
                [
@@ -349,8 +689,7 @@
                   "Blog",
                   13
                ]
-            ],
-            "id" : "019"
+            ]
          },
          {
             "data" : [
@@ -367,10 +706,11 @@
                   13
                ]
             ],
-            "name" : "020",
-            "id" : "020"
+            "id" : "020",
+            "name" : "020"
          },
          {
+            "name" : "021",
             "id" : "021",
             "data" : [
                [
@@ -385,11 +725,9 @@
                   "Blog",
                   10
                ]
-            ],
-            "name" : "021"
+            ]
          },
          {
-            "name" : "022",
             "data" : [
                [
                   "Perl",
@@ -404,6 +742,7 @@
                   10
                ]
             ],
+            "name" : "022",
             "id" : "022"
          },
          {
@@ -421,11 +760,12 @@
                   12
                ]
             ],
-            "name" : "023",
-            "id" : "023"
+            "id" : "023",
+            "name" : "023"
          },
          {
             "id" : "024",
+            "name" : "024",
             "data" : [
                [
                   "Perl",
@@ -439,11 +779,9 @@
                   "Blog",
                   11
                ]
-            ],
-            "name" : "024"
+            ]
          },
          {
-            "name" : "025",
             "data" : [
                [
                   "Perl",
@@ -458,10 +796,12 @@
                   12
                ]
             ],
-            "id" : "025"
+            "id" : "025",
+            "name" : "025"
          },
          {
             "name" : "026",
+            "id" : "026",
             "data" : [
                [
                   "Perl",
@@ -475,10 +815,11 @@
                   "Blog",
                   10
                ]
-            ],
-            "id" : "026"
+            ]
          },
          {
+            "id" : "027",
+            "name" : "027",
             "data" : [
                [
                   "Perl",
@@ -492,9 +833,7 @@
                   "Blog",
                   9
                ]
-            ],
-            "id" : "027",
-            "name" : "027"
+            ]
          },
          {
             "data" : [
@@ -511,11 +850,10 @@
                   9
                ]
             ],
-            "name" : "028",
-            "id" : "028"
+            "id" : "028",
+            "name" : "028"
          },
          {
-            "id" : "029",
             "data" : [
                [
                   "Perl",
@@ -530,10 +868,12 @@
                   12
                ]