- Added solutions to week 2 by Lakpa Tashi Bhutia.

14 files changed, 1402 insertions, 1387 deletions

diff --git a/stats/pwc-challenge-002.json b/stats/pwc-challenge-002.json
index 341e2aeb1d..99507243fb 100644
--- a/stats/pwc-challenge-002.json
+++ b/stats/pwc-challenge-002.json
@@ -1,4 +1,323 @@
 {
+   "subtitle" : {
+      "text" : "[Champions: 56] Last updated at 2021-04-13 16:59:12 GMT"
+   },
+   "legend" : {
+      "enabled" : 0
+   },
+   "chart" : {
+      "type" : "column"
+   },
+   "yAxis" : {
+      "title" : {
+         "text" : "Total Solutions"
+      }
+   },
+   "series" : [
+      {
+         "colorByPoint" : 1,
+         "data" : [
+            {
+               "y" : 2,
+               "drilldown" : "Abigail",
+               "name" : "Abigail"
+            },
+            {
+               "y" : 3,
+               "drilldown" : "Adam Russell",
+               "name" : "Adam Russell"
+            },
+            {
+               "name" : "Ailbhe Tweedie",
+               "drilldown" : "Ailbhe Tweedie",
+               "y" : 2
+            },
+            {
+               "drilldown" : "Alex Daniel",
+               "y" : 2,
+               "name" : "Alex Daniel"
+            },
+            {
+               "drilldown" : "Andrezgz",
+               "y" : 2,
+               "name" : "Andrezgz"
+            },
+            {
+               "y" : 3,
+               "drilldown" : "Arne Sommer",
+               "name" : "Arne Sommer"
+            },
+            {
+               "name" : "Arpad Toth",
+               "y" : 2,
+               "drilldown" : "Arpad Toth"
+            },
+            {
+               "y" : 2,
+               "drilldown" : "Athanasius",
+               "name" : "Athanasius"
+            },
+            {
+               "name" : "Bob Kleemann",
+               "y" : 2,
+               "drilldown" : "Bob Kleemann"
+            },
+            {
+               "drilldown" : "Bob Lied",
+               "y" : 2,
+               "name" : "Bob Lied"
+            },
+            {
+               "y" : 2,
+               "drilldown" : "Chenyf",
+               "name" : "Chenyf"
+            },
+            {
+               "name" : "Daniel Mantovani",
+               "drilldown" : "Daniel Mantovani",
+               "y" : 1
+            },
+            {
+               "name" : "Dave Jacoby",
+               "drilldown" : "Dave Jacoby",
+               "y" : 1
+            },
+            {
+               "name" : "David Kayal",
+               "y" : 2,
+               "drilldown" : "David Kayal"
+            },
+            {
+               "y" : 2,
+               "drilldown" : "Doug Schrag",
+               "name" : "Doug Schrag"
+            },
+            {
+               "y" : 1,
+               "drilldown" : "Fred Zinn",
+               "name" : "Fred Zinn"
+            },
+            {
+               "drilldown" : "Freddie B",
+               "y" : 1,
+               "name" : "Freddie B"
+            },
+            {
+               "y" : 2,
+               "drilldown" : "Gustavo Chaves",
+               "name" : "Gustavo Chaves"
+            },
+            {
+               "name" : "Jaime Corchado",
+               "drilldown" : "Jaime Corchado",
+               "y" : 2
+            },
+            {
+               "y" : 4,
+               "drilldown" : "Jaldhar H. Vyas",
+               "name" : "Jaldhar H. Vyas"
+            },
+            {
+               "y" : 4,
+               "drilldown" : "James Smith",
+               "name" : "James Smith"
+            },
+            {
+               "drilldown" : "Jeremy Carman",
+               "y" : 1,
+               "name" : "Jeremy Carman"
+            },
+            {
+               "y" : 5,
+               "drilldown" : "Jo Christian Oterhals",
+               "name" : "Jo Christian Oterhals"
+            },
+            {
+               "drilldown" : "Joelle Maslak",
+               "y" : 4,
+               "name" : "Joelle Maslak"
+            },
+            {
+               "name" : "John Barrett",
+               "y" : 2,
+               "drilldown" : "John Barrett"
+            },
+            {
+               "drilldown" : "Khalid",
+               "y" : 1,
+               "name" : "Khalid"
+            },
+            {
+               "y" : 3,
+               "drilldown" : "Kian-Meng Ang",
+               "name" : "Kian-Meng Ang"
+            },
+            {
+               "drilldown" : "Lakpa Tashi Bhutia",
+               "y" : 2,
+               "name" : "Lakpa Tashi Bhutia"
+            },
+            {
+               "drilldown" : "Lars Balker",
+               "y" : 4,
+               "name" : "Lars Balker"
+            },
+            {
+               "name" : "Laurent Rosenfeld",
+               "y" : 5,
+               "drilldown" : "Laurent Rosenfeld"
+            },
+            {
+               "drilldown" : "Magnus Woldrich",
+               "y" : 2,
+               "name" : "Magnus Woldrich"
+            },
+            {
+               "drilldown" : "Mark Senn",
+               "y" : 2,
+               "name" : "Mark Senn"
+            },
+            {
+               "drilldown" : "Matt Latusek",
+               "y" : 2,
+               "name" : "Matt Latusek"
+            },
+            {
+               "name" : "Maxim Kolodyazhny",
+               "drilldown" : "Maxim Kolodyazhny",
+               "y" : 2
+            },
+            {
+               "name" : "Neil Bowers",
+               "y" : 1,
+               "drilldown" : "Neil Bowers"
+            },
+            {
+               "y" : 4,
+               "drilldown" : "Nick Logan",
+               "name" : "Nick Logan"
+            },
+            {
+               "name" : "Ozzy",
+               "drilldown" : "Ozzy",
+               "y" : 2
+            },
+            {
+               "name" : "Pablo Saavedra",
+               "y" : 1,
+               "drilldown" : "Pablo Saavedra"
+            },
+            {
+               "name" : "Paulo Custodio",
+               "y" : 2,
+               "drilldown" : "Paulo Custodio"
+            },
+            {
+               "y" : 1,
+               "drilldown" : "Pavel Jurca",
+               "name" : "Pavel Jurca"
+            },
+            {
+               "name" : "Pete Houston",
+               "y" : 1,
+               "drilldown" : "Pete Houston"
+            },
+            {
+               "drilldown" : "Philippe Bruhat",
+               "y" : 3,
+               "name" : "Philippe Bruhat"
+            },
+            {
+               "y" : 1,
+               "drilldown" : "Prajith P",
+               "name" : "Prajith P"
+            },
+            {
+               "drilldown" : "Robert Gratza",
+               "y" : 2,
+               "name" : "Robert Gratza"
+            },
+            {
+               "name" : "Ruben Westerberg",
+               "y" : 4,
+               "drilldown" : "Ruben Westerberg"
+            },
+            {
+               "name" : "Ryan Thompson",
+               "drilldown" : "Ryan Thompson",
+               "y" : 4
+            },
+            {
+               "y" : 1,
+               "drilldown" : "Samir Parikh",
+               "name" : "Samir Parikh"
+            },
+            {
+               "name" : "Sean Meininger",
+               "y" : 1,
+               "drilldown" : "Sean Meininger"
+            },
+            {
+               "name" : "Sergio Iglesias",
+               "drilldown" : "Sergio Iglesias",
+               "y" : 2
+            },
+            {
+               "drilldown" : "Shasank Shah",
+               "y" : 2,
+               "name" : "Shasank Shah"
+            },
+            {
+               "drilldown" : "Simon Proctor",
+               "y" : 4,
+               "name" : "Simon Proctor"
+            },
+            {
+               "y" : 2,
+               "drilldown" : "Simon Reinhardt",
+               "name" : "Simon Reinhardt"
+            },
+            {
+               "drilldown" : "Steven Wilson",
+               "y" : 2,
+               "name" : "Steven Wilson"
+            },
+            {
+               "name" : "Stuart Little",
+               "drilldown" : "Stuart Little",
+               "y" : 2
+            },
+            {
+               "name" : "Veesh Goldman",
+               "y" : 2,
+               "drilldown" : "Veesh Goldman"
+            },
+            {
+               "name" : "Vinod Kumar K",
+               "y" : 2,
+               "drilldown" : "Vinod Kumar K"
+            }
+         ],
+         "name" : "Perl Weekly Challenge - 002"
+      }
+   ],
+   "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
+   },
+   "xAxis" : {
+      "type" : "category"
+   },
+   "plotOptions" : {
+      "series" : {
+         "borderWidth" : 0,
+         "dataLabels" : {
+            "format" : "{point.y}",
+            "enabled" : 1
+         }
+      }
+   },
    "drilldown" : {
       "series" : [
          {
@@ -8,10 +327,11 @@
                   2
                ]
             ],
-            "id" : "Abigail",
-            "name" : "Abigail"
+            "name" : "Abigail",
+            "id" : "Abigail"
          },
          {
+            "id" : "Adam Russell",
             "name" : "Adam Russell",
             "data" : [
                [
@@ -22,28 +342,27 @@
                   "Blog",
                   1
                ]
-            ],
-            "id" : "Adam Russell"
+            ]
          },
          {
-            "name" : "Ailbhe Tweedie",
-            "id" : "Ailbhe Tweedie",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ]
+            ],
+            "name" : "Ailbhe Tweedie",
+            "id" : "Ailbhe Tweedie"
          },
          {
             "id" : "Alex Daniel",
+            "name" : "Alex Daniel",
             "data" : [
                [
                   "Raku",
                   2
                ]
-            ],
-            "name" : "Alex Daniel"
+            ]
          },
          {
             "name" : "Andrezgz",
@@ -56,6 +375,7 @@
             "id" : "Andrezgz"
          },
          {
+            "id" : "Arne Sommer",
             "name" : "Arne Sommer",
             "data" : [
                [
@@ -66,8 +386,7 @@
                   "Blog",
                   1
                ]
-            ],
-            "id" : "Arne Sommer"
+            ]
          },
          {
             "name" : "Arpad Toth",
@@ -81,13 +400,13 @@
          },
          {
             "id" : "Athanasius",
+            "name" : "Athanasius",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ],
-            "name" : "Athanasius"
+            ]
          },
          {
             "data" : [
@@ -96,18 +415,18 @@
                   2
                ]
             ],
-            "id" : "Bob Kleemann",
-            "name" : "Bob Kleemann"
+            "name" : "Bob Kleemann",
+            "id" : "Bob Kleemann"
          },
          {
-            "id" : "Bob Lied",
             "data" : [
                [
                   "Perl",
                   2
                ]
             ],
-            "name" : "Bob Lied"
+            "name" : "Bob Lied",
+            "id" : "Bob Lied"
          },
          {
             "id" : "Chenyf",
@@ -130,56 +449,57 @@
             "id" : "Daniel Mantovani"
          },
          {
+            "id" : "Dave Jacoby",
+            "name" : "Dave Jacoby",
             "data" : [
                [
                   "Blog",
                   1
                ]
-            ],
-            "id" : "Dave Jacoby",
-            "name" : "Dave Jacoby"
+            ]
          },
          {
+            "name" : "David Kayal",
             "data" : [
                [
                   "Perl",
                   2
                ]
             ],
-            "id" : "David Kayal",
-            "name" : "David Kayal"
+            "id" : "David Kayal"
          },
          {
-            "id" : "Doug Schrag",
             "data" : [
                [
                   "Raku",
                   2
                ]
             ],
-            "name" : "Doug Schrag"
+            "name" : "Doug Schrag",
+            "id" : "Doug Schrag"
          },
          {
             "name" : "Fred Zinn",
-            "id" : "Fred Zinn",
             "data" : [
                [
                   "Perl",
                   1
                ]
-            ]
+            ],
+            "id" : "Fred Zinn"
          },
          {
-            "name" : "Freddie B",
             "id" : "Freddie B",
             "data" : [
                [
                   "Perl",
                   1
                ]
-            ]
+            ],
+            "name" : "Freddie B"
          },
          {
+            "id" : "Gustavo Chaves",
             "name" : "Gustavo Chaves",
             "data" : [
                [
@@ -190,8 +510,7 @@
                   "Blog",
                   1
                ]
-            ],
-            "id" : "Gustavo Chaves"
+            ]
          },
          {
             "data" : [
@@ -200,11 +519,10 @@
                   2
                ]
             ],
-            "id" : "Jaime Corchado",
-            "name" : "Jaime Corchado"
+            "name" : "Jaime Corchado",
+            "id" : "Jaime Corchado"
          },
          {
-            "name" : "Jaldhar H. Vyas",
             "id" : "Jaldhar H. Vyas",
             "data" : [
                [
@@ -215,7 +533,8 @@
                   "Raku",
                   2
                ]
-            ]
+            ],
+            "name" : "Jaldhar H. Vyas"
          },
          {
             "data" : [
@@ -228,12 +547,12 @@
                   2
                ]
             ],
-            "id" : "James Smith",
-            "name" : "James Smith"
+            "name" : "James Smith",
+            "id" : "James Smith"
          },
          {
-            "name" : "Jeremy Carman",
             "id" : "Jeremy Carman",
+            "name" : "Jeremy Carman",
             "data" : [
                [
                   "Perl",
@@ -260,7 +579,7 @@
             "id" : "Jo Christian Oterhals"
          },
          {
-            "id" : "Joelle Maslak",
+            "name" : "Joelle Maslak",
             "data" : [
                [
                   "Perl",
@@ -271,11 +590,11 @@
                   2
                ]
             ],
-            "name" : "Joelle Maslak"
+            "id" : "Joelle Maslak"
          },
          {
-            "name" : "John Barrett",
             "id" : "John Barrett",
+            "name" : "John Barrett",
             "data" : [
                [
                   "Perl",
@@ -284,14 +603,14 @@
             ]
          },
          {
+            "id" : "Khalid",
             "name" : "Khalid",
             "data" : [
                [
                   "Blog",
                   1
                ]
-            ],
-            "id" : "Khalid"
+            ]
          },
          {
             "data" : [
@@ -304,11 +623,20 @@
                   1
                ]
             ],
-            "id" : "Kian-Meng Ang",
-            "name" : "Kian-Meng Ang"
+            "name" : "Kian-Meng Ang",
+            "id" : "Kian-Meng Ang"
+         },
+         {
+            "id" : "Lakpa Tashi Bhutia",
+            "name" : "Lakpa Tashi Bhutia",
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ]
+            ]
          },
          {
-            "name" : "Lars Balker",
             "data" : [
                [
                   "Perl",
@@ -319,11 +647,10 @@
                   2
                ]
             ],
+            "name" : "Lars Balker",
             "id" : "Lars Balker"
          },
          {
-            "name" : "Laurent Rosenfeld",
-            "id" : "Laurent Rosenfeld",
             "data" : [
                [
                   "Perl",
@@ -337,9 +664,12 @@
                   "Blog",
                   1
                ]
-            ]
+            ],
+            "name" : "Laurent Rosenfeld",
+            "id" : "Laurent Rosenfeld"
          },
          {
+            "id" : "Magnus Woldrich",
             "data" : [
                [
                   "Perl",
@@ -350,51 +680,49 @@
                   1
                ]
             ],
-            "id" : "Magnus Woldrich",
             "name" : "Magnus Woldrich"
          },
          {
+            "id" : "Mark Senn",
             "data" : [
                [
                   "Raku",
                   2
                ]
             ],
-            "id" : "Mark Senn",
             "name" : "Mark Senn"
          },
          {
-            "id" : "Matt Latusek",
+            "name" : "Matt Latusek",
             "data" : [
                [
                   "Perl",
                   2
                ]
             ],
-            "name" : "Matt Latusek"
+            "id" : "Matt Latusek"
          },
          {
+            "id" : "Maxim Kolodyazhny",
+            "name" : "Maxim Kolodyazhny",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ],
-            "id" : "Maxim Kolodyazhny",
-            "name" : "Maxim Kolodyazhny"
+            ]
          },
          {
             "name" : "Neil Bowers",
-            "id" : "Neil Bowers",
             "data" : [
                [
                   "Perl",
                   1
                ]
-            ]
+            ],
+            "id" : "Neil Bowers"
          },
          {
-            "name" : "Nick Logan",
             "data" : [
                [
                   "Perl",
@@ -405,11 +733,12 @@
                   2
                ]
             ],
+            "name" : "Nick Logan",
             "id" : "Nick Logan"
          },
          {
-            "name" : "Ozzy",
             "id" : "Ozzy",
+            "name" : "Ozzy",
             "data" : [
                [
                   "Raku",
@@ -418,46 +747,48 @@
             ]
          },
          {
-            "id" : "Pablo Saavedra",
             "data" : [
                [
                   "Perl",
                   1
                ]
             ],
-            "name" : "Pablo Saavedra"
+            "name" : "Pablo Saavedra",
+            "id" : "Pablo Saavedra"
          },
          {
-            "id" : "Paulo Custodio",
             "data" : [
                [
                   "Perl",
                   2
                ]
             ],
-            "name" : "Paulo Custodio"
+            "name" : "Paulo Custodio",
+            "id" : "Paulo Custodio"
          },
          {
-            "name" : "Pavel Jurca",
-            "id" : "Pavel Jurca",
             "data" : [
                [
                   "Blog",
                   1
                ]
-            ]
+            ],
+            "name" : "Pavel Jurca",
+            "id" : "Pavel Jurca"
          },
          {
-            "name" : "Pete Houston",
+            "id" : "Pete Houston",
             "data" : [
                [
                   "Perl",
                   1
                ]
             ],
-            "id" : "Pete Houston"
+            "name" : "Pete Houston"
          },
          {
+            "id" : "Philippe Bruhat",
+            "name" : "Philippe Bruhat",
             "data" : [
                [
                   "Perl",
@@ -467,31 +798,30 @@
                   "Blog",
                   1
                ]
-            ],
-            "id" : "Philippe Bruhat",
-            "name" : "Philippe Bruhat"
+            ]
          },
          {
-            "id" : "Prajith P",
             "data" : [
                [
                   "Perl",
                   1
                ]
             ],
-            "name" : "Prajith P"
+            "name" : "Prajith P",
+            "id" : "Prajith P"
          },
          {
             "name" : "Robert Gratza",
-            "id" : "Robert Gratza",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ]
+            ],
+            "id" : "Robert Gratza"
          },
          {
+            "id" : "Ruben Westerberg",
             "data" : [
                [
                   "Perl",
@@ -502,7 +832,6 @@
                   2
                ]
             ],
-            "id" : "Ruben Westerberg",
             "name" : "Ruben Westerberg"
          },
          {
@@ -520,44 +849,44 @@
             "id" : "Ryan Thompson"
          },
          {
-            "id" : "Samir Parikh",
             "data" : [
                [
                   "Perl",
                   1
                ]
             ],
-            "name" : "Samir Parikh"
+            "name" : "Samir Parikh",
+            "id" : "Samir Parikh"
          },
          {
+            "id" : "Sean Meininger",
             "name" : "Sean Meininger",
             "data" : [
                [
                   "Raku",
                   1
                ]
-            ],
-            "id" : "Sean Meininger"
+            ]
          },
          {
+            "id" : "Sergio Iglesias",
             "data" : [
                [
                   "Perl",
                   2
                ]
             ],
-            "id" : "Sergio Iglesias",
             "name" : "Sergio Iglesias"
          },
          {
-            "name" : "Shasank Shah",
-            "id" : "Shasank Shah",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ]
+            ],
+            "name" : "Shasank Shah",
+            "id" : "Shasank Shah"
          },
          {
             "id" : "Simon Proctor",
@@ -594,352 +923,38 @@
             "id" : "Steven Wilson"
          },
          {
+            "id" : "Stuart Little",
+            "name" : "Stuart Little",
             "data" : [
                [
                   "Raku",
                   2
                ]
-            ],
-            "id" : "Stuart Little",
-            "name" : "Stuart Little"
+            ]
          },
          {
             "id" : "Veesh Goldman",
+            "name" : "Veesh Goldman",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ],
-            "name" : "Veesh Goldman"
+            ]
          },
          {
             "id" : "Vinod Kumar K",
+            "name" : "Vinod Kumar K",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ],
-            "name" : "Vinod Kumar K"
+            ]
          }
       ]
    },
-   "chart" : {
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-      "headerFormat" : "<span style='font-size:11px'>{series.name}</span><br/>"
-   },
-   "subtitle" : {
-      "text" : "[Champions: 55] Last updated at 2021-02-26 06:04:14 GMT"
-   },
-   "legend" : {
-      "enabled" : 0
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