- Added solutions by Gustavo Chaves.

15 files changed, 1095 insertions, 1080 deletions

diff --git a/challenge-095/gustavo-chaves/is-palindrome.pl b/challenge-095/gustavo-chaves/perl/ch-1.pl
index dd56d937c9..dd56d937c9 100755
--- a/challenge-095/gustavo-chaves/is-palindrome.pl
+++ b/challenge-095/gustavo-chaves/perl/ch-1.pl
diff --git a/challenge-095/gustavo-chaves/stack.pl b/challenge-095/gustavo-chaves/perl/ch-2.pl
index 6ddfaedd7a..6ddfaedd7a 100755
--- a/challenge-095/gustavo-chaves/stack.pl
+++ b/challenge-095/gustavo-chaves/perl/ch-2.pl
diff --git a/stats/pwc-current.json b/stats/pwc-current.json
index 8bf325d1c3..68c47bccfa 100644
--- a/stats/pwc-current.json
+++ b/stats/pwc-current.json
@@ -1,51 +1,55 @@
 {
-   "title" : {
-      "text" : "Perl Weekly Challenge - 095"
-   },
-   "chart" : {
-      "type" : "column"
-   },
-   "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
+   "plotOptions" : {
+      "series" : {
+         "borderWidth" : 0,
+         "dataLabels" : {
+            "format" : "{point.y}",
+            "enabled" : 1
+         }
+      }
    },
-   "xAxis" : {
-      "type" : "category"
+   "subtitle" : {
+      "text" : "[Champions: 10] Last updated at 2021-01-12 01:19:07 GMT"
    },
    "series" : [
       {
          "colorByPoint" : 1,
+         "name" : "Perl Weekly Challenge - 095",
          "data" : [
             {
-               "drilldown" : "Andrew Shitov",
                "name" : "Andrew Shitov",
-               "y" : 2
+               "y" : 2,
+               "drilldown" : "Andrew Shitov"
             },
             {
-               "y" : 4,
                "name" : "Flavio Poletti",
+               "y" : 4,
                "drilldown" : "Flavio Poletti"
             },
             {
+               "drilldown" : "Gustavo Chaves",
+               "y" : 2,
+               "name" : "Gustavo Chaves"
+            },
+            {
                "drilldown" : "James Smith",
-               "name" : "James Smith",
-               "y" : 2
+               "y" : 2,
+               "name" : "James Smith"
             },
             {
-               "name" : "Luca Ferrari",
                "drilldown" : "Luca Ferrari",
-               "y" : 4
+               "y" : 4,
+               "name" : "Luca Ferrari"
             },
             {
-               "y" : 2,
+               "drilldown" : "Niels van Dijke",
                "name" : "Niels van Dijke",
-               "drilldown" : "Niels van Dijke"
+               "y" : 2
             },
             {
                "name" : "Pavel Kuptsov",
-               "drilldown" : "Pavel Kuptsov",
-               "y" : 2
+               "y" : 2,
+               "drilldown" : "Pavel Kuptsov"
             },
             {
                "y" : 2,
@@ -53,33 +57,20 @@
                "drilldown" : "Simon Proctor"
             },
             {
-               "drilldown" : "Stuart Little",
                "name" : "Stuart Little",
-               "y" : 2
+               "y" : 2,
+               "drilldown" : "Stuart Little"
             },
             {
+               "drilldown" : "W. Luis Mochan",
                "y" : 3,
-               "name" : "W. Luis Mochan",
-               "drilldown" : "W. Luis Mochan"
+               "name" : "W. Luis Mochan"
             }
-         ],
-         "name" : "Perl Weekly Challenge - 095"
+         ]
       }
    ],
-   "legend" : {
-      "enabled" : 0
-   },
-   "plotOptions" : {
-      "series" : {
-         "borderWidth" : 0,
-         "dataLabels" : {
-            "format" : "{point.y}",
-            "enabled" : 1
-         }
-      }
-   },
-   "subtitle" : {
-      "text" : "[Champions: 9] Last updated at 2021-01-12 01:06:28 GMT"
+   "title" : {
+      "text" : "Perl Weekly Challenge - 095"
    },
    "yAxis" : {
       "title" : {
@@ -89,18 +80,17 @@
    "drilldown" : {
       "series" : [
          {
-            "id" : "Andrew Shitov",
             "data" : [
                [
                   "Raku",
                   2
                ]
             ],
-            "name" : "Andrew Shitov"
+            "name" : "Andrew Shitov",
+            "id" : "Andrew Shitov"
          },
          {
             "name" : "Flavio Poletti",
-            "id" : "Flavio Poletti",
             "data" : [
                [
                   "Perl",
@@ -110,19 +100,31 @@
                   "Blog",
                   2
                ]
-            ]
+            ],
+            "id" : "Flavio Poletti"
          },
          {
-            "id" : "James Smith",
+            "name" : "Gustavo Chaves",
             "data" : [
                [
                   "Perl",
                   2
                ]
             ],
-            "name" : "James Smith"
+            "id" : "Gustavo Chaves"
          },
          {
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ]
+            ],
+            "name" : "James Smith",
+            "id" : "James Smith"
+         },
+         {
+            "id" : "Luca Ferrari",
             "name" : "Luca Ferrari",
             "data" : [
                [
@@ -133,50 +135,50 @@
                   "Blog",
                   2
                ]
-            ],
-            "id" : "Luca Ferrari"
+            ]
          },
          {
-            "name" : "Niels van Dijke",
             "data" : [
                [
                   "Perl",
                   2
                ]
             ],
+            "name" : "Niels van Dijke",
             "id" : "Niels van Dijke"
          },
          {
-            "name" : "Pavel Kuptsov",
             "data" : [
                [
                   "Perl",
                   2
                ]
             ],
+            "name" : "Pavel Kuptsov",
             "id" : "Pavel Kuptsov"
          },
          {
-            "name" : "Simon Proctor",
             "id" : "Simon Proctor",
             "data" : [
                [
                   "Raku",
                   2
                ]
-            ]
+            ],
+            "name" : "Simon Proctor"
          },
          {
             "name" : "Stuart Little",
-            "id" : "Stuart Little",
             "data" : [
                [
                   "Raku",
                   2
                ]
-            ]
+            ],
+            "id" : "Stuart Little"
          },
          {
+            "name" : "W. Luis Mochan",
             "data" : [
                [
                   "Perl",
@@ -187,9 +189,22 @@
                   1
                ]
             ],
-            "id" : "W. Luis Mochan",
-            "name" : "W. Luis Mochan"
+            "id" : "W. Luis Mochan"
          }
       ]
+   },
+   "chart" : {
+      "type" : "column"
+   },
+   "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/>"
+   },
+   "legend" : {
+      "enabled" : 0
+   },
+   "xAxis" : {
+      "type" : "category"
    }
 }
diff --git a/stats/pwc-language-breakdown-summary.json b/stats/pwc-language-breakdown-summary.json
index 645e2a5667..a88ba3d9a0 100644
--- a/stats/pwc-language-breakdown-summary.json
+++ b/stats/pwc-language-breakdown-summary.json
@@ -1,36 +1,48 @@
 {
-   "yAxis" : {
-      "min" : 0,
-      "title" : {
-         "text" : null
-      }
-   },
-   "subtitle" : {
-      "text" : "Last updated at 2021-01-12 01:06:28 GMT"
+   "chart" : {
+      "type" : "column"
    },
    "xAxis" : {
-      "type" : "category",
       "labels" : {
          "style" : {
-            "fontSize" : "13px",
-            "fontFamily" : "Verdana, sans-serif"
+            "fontFamily" : "Verdana, sans-serif",
+            "fontSize" : "13px"
          }
-      }
+      },
+      "type" : "category"
+   },
+   "legend" : {
+      "enabled" : "false"
+   },
+   "tooltip" : {
+      "pointFormat" : "<b>{point.y:.0f}</b>"
+   },
+   "subtitle" : {
+      "text" : "Last updated at 2021-01-12 01:19:07 GMT"
+   },
+   "yAxis" : {
+      "title" : {
+         "text" : null
+      },
+      "min" : 0
+   },
+   "title" : {
+      "text" : "Perl Weekly Challenge Contributions [2019 - 2020]"
    },
    "series" : [
       {
          "name" : "Contributions",
          "dataLabels" : {
+            "color" : "#FFFFFF",
             "y" : 10,
+            "rotation" : -90,
             "style" : {
-               "fontFamily" : "Verdana, sans-serif",
-               "fontSize" : "13px"
+               "fontSize" : "13px",
+               "fontFamily" : "Verdana, sans-serif"
             },
-            "enabled" : "true",
+            "align" : "right",
             "format" : "{point.y:.0f}",
-            "rotation" : -90,
-            "color" : "#FFFFFF",
-            "align" : "right"
+            "enabled" : "true"
          },
          "data" : [
             [
@@ -39,7 +51,7 @@
             ],
             [
                "Perl",
-               4324
+               4326
             ],
             [
                "Raku",
@@ -47,17 +59,5 @@
             ]
          ]
       }
-   ],
-   "legend" : {
-      "enabled" : "false"
-   },
-   "tooltip" : {
-      "pointFormat" : "<b>{point.y:.0f}</b>"
-   },
-   "chart" : {
-      "type" : "column"
-   },
-   "title" : {
-      "text" : "Perl Weekly Challenge Contributions [2019 - 2020]"
-   }
+   ]
 }
diff --git a/stats/pwc-language-breakdown.json b/stats/pwc-language-breakdown.json
index e036bb8be3..1a3587c071 100644
--- a/stats/pwc-language-breakdown.json
+++ b/stats/pwc-language-breakdown.json
@@ -2,20 +2,8 @@
    "title" : {
       "text" : "Perl Weekly Challenge Language"
    },
-   "chart" : {
-      "type" : "column"
-   },
-   "tooltip" : {
-      "followPointer" : "true",
-      "headerFormat" : "<span style=\"font-size:11px\"></span>",
-      "pointFormat" : "<span style=\"color:{point.color}\">Challenge {point.name}</span>: <b>{point.y:f}</b><br/>"
-   },
-   "xAxis" : {
-      "type" : "category"
-   },
    "series" : [
       {
-         "name" : "Perl Weekly Challenge Languages",
          "data" : [
             {
                "drilldown" : "001",
@@ -24,73 +12,73 @@
             },
             {
                "name" : "#002",
-               "drilldown" : "002",
-               "y" : 118
+               "y" : 118,
+               "drilldown" : "002"
             },
             {
                "y" : 75,
-               "drilldown" : "003",
-               "name" : "#003"
+               "name" : "#003",
+               "drilldown" : "003"
             },
             {
-               "y" : 95,
                "name" : "#004",
+               "y" : 95,
                "drilldown" : "004"
             },
             {
+               "drilldown" : "005",
                "y" : 76,
-               "name" : "#005",
-               "drilldown" : "005"
+               "name" : "#005"
             },
             {
-               "name" : "#006",
                "drilldown" : "006",
+               "name" : "#006",
                "y" : 56
             },
             {
                "y" : 63,
-               "drilldown" : "007",
-               "name" : "#007"
+               "name" : "#007",
+               "drilldown" : "007"
             },
             {
+               "y" : 74,
                "name" : "#008",
-               "drilldown" : "008",
-               "y" : 74
+               "drilldown" : "008"
             },
             {
+               "y" : 72,
                "name" : "#009",
-               "drilldown" : "009",
-               "y" : 72
+               "drilldown" : "009"
             },
             {
+               "drilldown" : "010",
                "y" : 62,
-               "name" : "#010",
-               "drilldown" : "010"
+               "name" : "#010"
             },
             {
-               "name" : "#011",
                "drilldown" : "011",
-               "y" : 81
+               "y" : 81,
+               "name" : "#011"
             },
             {
+               "y" : 85,
                "name" : "#012",
-               "drilldown" : "012",
-               "y" : 85
+               "drilldown" : "012"
             },
             {
-               "y" : 80,
                "drilldown" : "013",
-               "name" : "#013"
+               "name" : "#013",
+               "y" : 80
             },
             {
-               "y" : 98,
+               "drilldown" : "014",
                "name" : "#014",
-               "drilldown" : "014"
+               "y" : 98
             },
             {
+               "drilldown" : "015",
                "y" : 95,
-               "name" : "#015",
-               "drilldown" : "015"
+               "name" : "#015"
             },
             {
                "drilldown" : "016",
@@ -98,19 +86,19 @@
                "y" : 68
             },
             {
-               "name" : "#017",
                "drilldown" : "017",
-               "y" : 81
+               "y" : 81,
+               "name" : "#017"
             },
             {
-               "name" : "#018",
                "drilldown" : "018",
-               "y" : 78
+               "y" : 78,
+               "name" : "#018"
             },
             {
-               "y" : 99,
+               "drilldown" : "019",
                "name" : "#019",
-               "drilldown" : "019"
+               "y" : 99
             },
             {
                "y" : 97,
@@ -118,64 +106,64 @@
                "drilldown" : "020"
             },
             {
-               "y" : 69,
                "drilldown" : "021",
+               "y" : 69,
                "name" : "#021"
             },
             {
-               "y" : 65,
                "drilldown" : "022",
+               "y" : 65,
                "name" : "#022"
             },
             {
+               "name" : "#023",
                "y" : 93,
-               "drilldown" : "023",
-               "name" : "#023"
+               "drilldown" : "023"
             },
             {
-               "drilldown" : "024",
                "name" : "#024",
-               "y" : 72
+               "y" : 72,
+               "drilldown" : "024"
             },
             {
-               "y" : 57,
                "name" : "#025",
+               "y" : 57,
                "drilldown" : "025"
             },
             {
-               "name" : "#026",
                "drilldown" : "026",
+               "name" : "#026",
                "y" : 72
             },
             {
-               "y" : 60,
                "name" : "#027",
+               "y" : 60,
                "drilldown" : "027"
             },
             {
                "drilldown" : "028",
-               "name" : "#028",
-               "y" : 80
+               "y" : 80,
+               "name" : "#028"
             },
             {
-               "y" : 79,
                "name" : "#029",
+               "y" : 79,
                "drilldown" : "029"
             },
             {
+               "y" : 117,
                "name" : "#030",
-               "drilldown" : "030",
-               "y" : 117
+               "drilldown" : "030"
             },
             {
-               "y" : 89,
                "drilldown" : "031",
-               "name" : "#031"
+               "name" : "#031",
+               "y" : 89
             },
             {
                "name" : "#032",
-               "drilldown" : "032",
-               "y" : 94
+               "y" : 94,
+               "drilldown" : "032"
             },
             {
                "drilldown" : "033",
@@ -183,59 +171,59 @@
                "y" : 110
             },
             {
-               "y" : 64,
                "drilldown" : "034",
-               "name" : "#034"
+               "name" : "#034",
+               "y" : 64
             },
             {
-               "name" : "#035",
                "drilldown" : "035",
+               "name" : "#035",
                "y" : 64
             },
             {
+               "y" : 68,
                "name" : "#036",
-               "drilldown" : "036",
-               "y" : 68
+               "drilldown" : "036"
             },
             {
                "drilldown" : "037",
-               "name" : "#037",
-               "y" : 67
+               "y" : 67,
+               "name" : "#037"
             },
             {
-               "drilldown" : "038",
                "name" : "#038",
-               "y" : 67
+               "y" : 67,
+               "drilldown" : "038"
             },
             {
-               "drilldown" : "039",
                "name" : "#039",
-               "y" : 62
+               "y" : 62,
+               "drilldown" : "039"
             },
             {
+               "drilldown" : "040",
                "y" : 73,
-               "name" : "#040",
-               "drilldown" : "040"
+               "name" : "#040"
             },
             {
-               "y" : 76,
+               "drilldown" : "041",
                "name" : "#041",
-               "drilldown" : "041"
+               "y" : 76
             },
             {
                "drilldown" : "042",
-               "name" : "#042",
-               "y" : 90
+               "y" : 90,
+               "name" : "#042"
             },
             {
-               "drilldown" : "043",
                "name" : "#043",
-               "y" : 68
+               "y" : 68,
+               "drilldown" : "043"
             },
             {
-               "drilldown" : "044",
                "name" : "#044",
-               "y" : 84
+               "y" : 84,
+               "drilldown" : "044"
             },
             {
                "drilldown" : "045",
@@ -248,49 +236,49 @@
                "y" : 87
             },
             {
+               "drilldown" : "047",
                "y" : 84,
-               "name" : "#047",
-               "drilldown" : "047"
+               "name" : "#047"
             },
             {
-               "y" : 108,
                "name" : "#048",
+               "y" : 108,
                "drilldown" : "048"
             },
             {
-               "y" : 89,
                "drilldown" : "049",
+               "y" : 89,
                "name" : "#049"
             },
             {
-               "drilldown" : "050",
+               "y" : 98,
                "name" : "#050",
-               "y" : 98
+               "drilldown" : "050"
             },
             {
                "y" : 89,
-               "drilldown" : "051",
-               "name" : "#051"
+               "name" : "#051",
+               "drilldown" : "051"
             },
             {
+               "y" : 91,
                "name" : "#052",
-               "drilldown" : "052",
-               "y" : 91
+               "drilldown" : "052"
             },
             {
-               "name" : "#053",
                "drilldown" : "053",
-               "y" : 101
+               "y" : 101,
+               "name" : "#053"
             },
             {
-               "name" : "#054",
                "drilldown" : "054",
-               "y" : 103
+               "y" : 103,
+               "name" : "#054"
             },
             {
-               "drilldown" : "055",
                "name" : "#055",
-               "y" : 88
+               "y" : 88,
+               "drilldown" : "055"
             },
             {
                "y" : 95,
@@ -298,13 +286,13 @@
                "drilldown" : "056"
             },
             {
-               "name" : "#057",
                "drilldown" : "057",
-               "y" : 80
+               "y" : 80,
+               "name" : "#057"
             },
             {
-               "name" : "#058",
                "drilldown" : "058",
+               "name" : "#058",
                "y" : 69
             },
             {
@@ -318,114 +306,114 @@
                "y" : 85
             },
             {
-               "y" : 81,
+               "drilldown" : "061",
                "name" : "#061",
-               "drilldown" : "061"
+               "y" : 81
             },
             {
                "name" : "#062",
-               "drilldown" : "062",
-               "y" : 56
+               "y" : 56,
+               "drilldown" : "062"
             },
             {
                "y" : 89,
-               "drilldown" : "063",
-               "name" : "#063"
+               "name" : "#063",
+               "drilldown" : "063"
             },
             {
+               "drilldown" : "064",
                "y" : 80,
-               "name" : "#064",
-               "drilldown" : "064"
+               "name" : "#064"
             },
             {
+               "name" : "#065",
                "y" : 73,
-               "drilldown" : "065",
-               "name" : "#065"
+               "drilldown" : "065"
             },
             {
-               "y" : 84,
+               "drilldown" : "066",
                "name" : "#066",
-               "drilldown" : "066"
+               "y" : 84
             },
             {
-               "drilldown" : "067",
+               "y" : 90,
                "name" : "#067",
-               "y" : 90
+               "drilldown" : "067"
             },
             {
-               "drilldown" : "068",
                "name" : "#068",
-               "y" : 75
+               "y" : 75,
+               "drilldown" : "068"
             },
             {
-               "drilldown" : "069",
+               "y" : 83,
                "name" : "#069",
-               "y" : 83
+               "drilldown" : "069"
             },
             {
+               "name" : "#070",
                "y" : 93,
-               "drilldown" : "070",
-               "name" : "#070"
+               "drilldown" : "070"
             },
             {
                "y" : 78,
-               "drilldown" : "071",
-               "name" : "#071"
+               "name" : "#071",
+               "drilldown" : "071"
             },
             {
-               "y" : 112,
                "drilldown" : "072",
+               "y" : 112,
                "name" : "#072"
             },
             {
+               "y" : 110,
                "name" : "#073",
-               "drilldown" : "073",
-               "y" : 110
+               "drilldown" : "073"
             },
             {
                "y" : 115,
-               "drilldown" : "074",
-               "name" : "#074"
+               "name" : "#074",
+               "drilldown" : "074"
             },
             {
                "drilldown" : "075",
-               "name" : "#075",
-               "y" : 113
+               "y" : 113,
+               "name" : "#075"
             },
             {
+               "y" : 97,
                "name" : "#076",
-               "drilldown" : "076",
-               "y" : 97
+               "drilldown" : "076"
             },
             {
+               "name" : "#077",
                "y" : 98,
-               "drilldown" : "077",
-               "name" : "#077"
+               "drilldown" : "077"
             },
             {
-               "name" : "#078",
                "drilldown" : "078",
+               "name" : "#078",
                "y" : 127
             },
             {
+               "y" : 122,
                "name" : "#079",
-               "drilldown" : "079",
-               "y" : 122
+               "drilldown" : "079"
             },
             {
-               "y" : 127,
                "name" : "#080",
+               "y" : 127,
                "drilldown" : "080"
             },
             {
-               "drilldown" : "081",
+               "y" : 114,
                "name" : "#081",
-               "y" : 114
+               "drilldown" : "081"
             },
             {
                "y" : 114,
-               "drilldown" : "082",
-               "name" : "#082"
+               "name" : "#082",
+               "drilldown" : "082"
             },
             {
                "drilldown" : "083",
@@ -433,9 +421,9 @@
                "y" : 127
             },
             {
-               "name" : "#084",
                "drilldown" : "084",
-               "y" : 119
+               "y" : 119,
+               "name" : "#084"
             },
             {
                "y" : 114,
@@ -443,84 +431,96 @@
                "drilldown" : "085"
             },
             {
+               "y" : 104,
                "name" : "#086",
-               "drilldown" : "086",
-               "y" : 104
+               "drilldown" : "086"
             },
             {
-               "y" : 101,
                "name" : "#087",
+               "y" : 101,
                "drilldown" : "087"
             },
             {
                "name" : "#088",
-               "drilldown" : "088",
-               "y" : 121
+               "y" : 121,
+               "drilldown" : "088"
             },
             {
-               "name" : "#089",
                "drilldown" : "089",
+               "name" : "#089",
                "y" : 113
             },
             {
-               "drilldown" : "090",
                "name" : "#090",
-               "y" : 113
+               "y" : 113,
+               "drilldown" : "090"
             },
             {
+               "name" : "#091",
                "y" : 106,
-               "drilldown" : "091",
-               "name" : "#091"
+               "drilldown" : "091"
             },
             {
-               "name" : "#092",
                "drilldown" : "092",
-               "y" : 93
+               "y" : 93,
+               "name" : "#092"
             },
             {
-               "drilldown" : "093",
                "name" : "#093",
-               "y" : 85
+               "y" : 85,
+               "drilldown" : "093"
             },
             {
                "y" : 83,
-               "drilldown" : "094",
-               "name" : "#094"
+               "name" : "#094",
+               "drilldown" : "094"
             },
             {
-               "y" : 23,
-               "drilldown" : "095",
-               "name" : "#095"
+               "name" : "#095",
+               "y" : 25,
+               "drilldown" : "095"
             }
          ],
+         "name" : "Perl Weekly Challenge Languages",
          "colorByPoint" : "true"
       }
    ],
-   "legend" : {
-      "enabled" : "false"
+   "yAxis" : {
+      "title" : {
+         "text" : "Total Solutions"
+      }
    },
    "plotOptions" : {
       "series" : {
-         "borderWidth" : 0,
          "dataLabels" : {
-            "format" : "{point.y}",
-            "enabled" : 1
-         }
+            "enabled" : 1,
+            "format" : "{point.y}"
+         },
+         "borderWidth" : 0
       }
    },
    "subtitle" : {
-      "text" : "Click the columns to drilldown the language breakdown. Last updated at 2021-01-12 01:06:28 GMT"
+      "text" : "Click the columns to drilldown the language breakdown. Last updated at 2021-01-12 01:19:07 GMT"
    },
-   "yAxis" : {
-      "title" : {
-         "text" : "Total Solutions"
-      }
+   "tooltip" : {
+      "pointFormat" : "<span style=\"color:{point.color}\">Challenge {point.name}</span>: <b>{point.y:f}</b><br/>",
+      "followPointer" : "true",
+      "headerFormat" : "<span style=\"font-size:11px\"></span>"
+   },
+   "xAxis" : {
+      "type" : "category"
+   },
+   "legend" : {
+      "enabled" : "false"
+   },<