- Added solution by Cheok-Yin Fung.

1 files changed, 490 insertions, 490 deletions

diff --git a/stats/pwc-language-breakdown.json b/stats/pwc-language-breakdown.json
index c67d997fa4..a30312f589 100644
--- a/stats/pwc-language-breakdown.json
+++ b/stats/pwc-language-breakdown.json
@@ -1,21 +1,372 @@
 {
-   "subtitle" : {
-      "text" : "Click the columns to drilldown the language breakdown. Last updated at 2020-07-12 10:07:37 GMT"
+   "legend" : {
+      "enabled" : "false"
    },
    "yAxis" : {
       "title" : {
          "text" : "Total Solutions"
       }
    },
-   "chart" : {
-      "type" : "column"
+   "xAxis" : {
+      "type" : "category"
    },
-   "title" : {
-      "text" : "Perl Weekly Challenge Language"
+   "series" : [
+      {
+         "data" : [
+            {
+               "drilldown" : "001",
+               "y" : 142,
+               "name" : "#001"
+            },
+            {
+               "y" : 109,
+               "name" : "#002",
+               "drilldown" : "002"
+            },
+            {
+               "name" : "#003",
+               "y" : 71,
+               "drilldown" : "003"
+            },
+            {
+               "y" : 91,
+               "name" : "#004",
+               "drilldown" : "004"
+            },
+            {
+               "drilldown" : "005",
+               "name" : "#005",
+               "y" : 72
+            },
+            {
+               "drilldown" : "006",
+               "name" : "#006",
+               "y" : 52
+            },
+            {
+               "drilldown" : "007",
+               "name" : "#007",
+               "y" : 59
+            },
+            {
+               "name" : "#008",
+               "y" : 72,
+               "drilldown" : "008"
+            },
+            {
+               "y" : 68,
+               "name" : "#009",
+               "drilldown" : "009"
+            },
+            {
+               "name" : "#010",
+               "y" : 60,
+               "drilldown" : "010"
+            },
+            {
+               "y" : 79,
+               "name" : "#011",
+               "drilldown" : "011"
+            },
+            {
+               "drilldown" : "012",
+               "name" : "#012",
+               "y" : 83
+            },
+            {
+               "y" : 76,
+               "name" : "#013",
+               "drilldown" : "013"
+            },
+            {
+               "drilldown" : "014",
+               "name" : "#014",
+               "y" : 96
+            },
+            {
+               "drilldown" : "015",
+               "y" : 93,
+               "name" : "#015"
+            },
+            {
+               "drilldown" : "016",
+               "y" : 66,
+               "name" : "#016"
+            },
+            {
+               "name" : "#017",
+               "y" : 79,
+               "drilldown" : "017"
+            },
+            {
+               "drilldown" : "018",
+               "y" : 76,
+               "name" : "#018"
+            },
+            {
+               "name" : "#019",
+               "y" : 97,
+               "drilldown" : "019"
+            },
+            {
+               "drilldown" : "020",
+               "name" : "#020",
+               "y" : 95
+            },
+            {
+               "y" : 67,
+               "name" : "#021",
+               "drilldown" : "021"
+            },
+            {
+               "y" : 63,
+               "name" : "#022",
+               "drilldown" : "022"
+            },
+            {
+               "y" : 91,
+               "name" : "#023",
+               "drilldown" : "023"
+            },
+            {
+               "drilldown" : "024",
+               "name" : "#024",
+               "y" : 70
+            },
+            {
+               "drilldown" : "025",
+               "y" : 55,
+               "name" : "#025"
+            },
+            {
+               "drilldown" : "026",
+               "y" : 70,
+               "name" : "#026"
+            },
+            {
+               "drilldown" : "027",
+               "name" : "#027",
+               "y" : 58
+            },
+            {
+               "y" : 78,
+               "name" : "#028",
+               "drilldown" : "028"
+            },
+            {
+               "drilldown" : "029",
+               "name" : "#029",
+               "y" : 77
+            },
+            {
+               "name" : "#030",
+               "y" : 115,
+               "drilldown" : "030"
+            },
+            {
+               "y" : 87,
+               "name" : "#031",
+               "drilldown" : "031"
+            },
+            {
+               "drilldown" : "032",
+               "y" : 92,
+               "name" : "#032"
+            },
+            {
+               "y" : 108,
+               "name" : "#033",
+               "drilldown" : "033"
+            },
+            {
+               "drilldown" : "034",
+               "y" : 62,
+               "name" : "#034"
+            },
+            {
+               "drilldown" : "035",
+               "name" : "#035",
+               "y" : 62
+            },
+            {
+               "y" : 66,
+               "name" : "#036",
+               "drilldown" : "036"
+            },
+            {
+               "drilldown" : "037",
+               "name" : "#037",
+               "y" : 65
+            },
+            {
+               "name" : "#038",
+               "y" : 65,
+               "drilldown" : "038"
+            },
+            {
+               "name" : "#039",
+               "y" : 60,
+               "drilldown" : "039"
+            },
+            {
+               "drilldown" : "040",
+               "name" : "#040",
+               "y" : 71
+            },
+            {
+               "y" : 74,
+               "name" : "#041",
+               "drilldown" : "041"
+            },
+            {
+               "name" : "#042",
+               "y" : 88,
+               "drilldown" : "042"
+            },
+            {
+               "drilldown" : "043",
+               "y" : 66,
+               "name" : "#043"
+            },
+            {
+               "name" : "#044",
+               "y" : 82,
+               "drilldown" : "044"
+            },
+            {
+               "drilldown" : "045",
+               "y" : 94,
+               "name" : "#045"
+            },
+            {
+               "name" : "#046",
+               "y" : 85,
+               "drilldown" : "046"
+            },
+            {
+               "y" : 82,
+               "name" : "#047",
+               "drilldown" : "047"
+            },
+            {
+               "drilldown" : "048",
+               "y" : 106,
+               "name" : "#048"
+            },
+            {
+               "name" : "#049",
+               "y" : 85,
+               "drilldown" : "049"
+            },
+            {
+               "y" : 96,
+               "name" : "#050",
+               "drilldown" : "050"
+            },
+            {
+               "name" : "#051",
+               "y" : 87,
+               "drilldown" : "051"
+            },
+            {
+               "drilldown" : "052",
+               "name" : "#052",
+               "y" : 89
+            },
+            {
+               "drilldown" : "053",
+               "y" : 99,
+               "name" : "#053"
+            },
+            {
+               "y" : 99,
+               "name" : "#054",
+               "drilldown" : "054"
+            },
+            {
+               "drilldown" : "055",
+               "y" : 86,
+               "name" : "#055"
+            },
+            {
+               "name" : "#056",
+               "y" : 93,
+               "drilldown" : "056"
+            },
+            {
+               "y" : 78,
+               "name" : "#057",
+               "drilldown" : "057"
+            },
+            {
+               "y" : 62,
+               "name" : "#058",
+               "drilldown" : "058"
+            },
+            {
+               "drilldown" : "059",
+               "name" : "#059",
+               "y" : 82
+            },
+            {
+               "drilldown" : "060",
+               "y" : 78,
+               "name" : "#060"
+            },
+            {
+               "name" : "#061",
+               "y" : 79,
+               "drilldown" : "061"
+            },
+            {
+               "drilldown" : "062",
+               "name" : "#062",
+               "y" : 54
+            },
+            {
+               "y" : 87,
+               "name" : "#063",
+               "drilldown" : "063"
+            },
+            {
+               "drilldown" : "064",
+               "y" : 76,
+               "name" : "#064"
+            },
+            {
+               "y" : 71,
+               "name" : "#065",
+               "drilldown" : "065"
+            },
+            {
+               "y" : 81,
+               "name" : "#066",
+               "drilldown" : "066"
+            },
+            {
+               "name" : "#067",
+               "y" : 86,
+               "drilldown" : "067"
+            },
+            {
+               "drilldown" : "068",
+               "y" : 48,
+               "name" : "#068"
+            }
+         ],
+         "name" : "Perl Weekly Challenge Languages",
+         "colorByPoint" : "true"
+      }
+   ],
+   "tooltip" : {
+      "headerFormat" : "<span style=\"font-size:11px\"></span>",
+      "followPointer" : "true",
+      "pointFormat" : "<span style=\"color:{point.color}\">Challenge {point.name}</span>: <b>{point.y:f}</b><br/>"
    },
    "drilldown" : {
       "series" : [
          {
+            "id" : "001",
             "data" : [
                [
                   "Perl",
@@ -30,12 +381,9 @@
                   11
                ]
             ],
-            "name" : "001",
-            "id" : "001"
+            "name" : "001"
          },
          {
-            "id" : "002",
-            "name" : "002",
             "data" : [
                [
                   "Perl",
@@ -49,7 +397,9 @@
                   "Blog",
                   10
                ]
-            ]
+            ],
+            "name" : "002",
+            "id" : "002"
          },
          {
             "data" : [
@@ -71,7 +421,6 @@
          },
          {
             "id" : "004",
-            "name" : "004",
             "data" : [
                [
                   "Perl",
@@ -85,7 +434,8 @@
                   "Blog",
                   10
                ]
-            ]
+            ],
+            "name" : "004"
          },
          {
             "id" : "005",
@@ -106,6 +456,8 @@
             ]
          },
          {
+            "id" : "006",
+            "name" : "006",
             "data" : [
                [
                   "Perl",
@@ -119,13 +471,11 @@
                   "Blog",
                   7
                ]
-            ],
-            "id" : "006",
-            "name" : "006"
+            ]
          },
          {
-            "name" : "007",
             "id" : "007",
+            "name" : "007",
             "data" : [
                [
                   "Perl",
@@ -142,8 +492,8 @@
             ]
          },
          {
-            "name" : "008",
             "id" : "008",
+            "name" : "008",
             "data" : [
                [
                   "Perl",
@@ -160,8 +510,6 @@
             ]
          },
          {
-            "name" : "009",
-            "id" : "009",
             "data" : [
                [
                   "Perl",
@@ -175,7 +523,9 @@
                   "Blog",
                   13
                ]
-            ]
+            ],
+            "name" : "009",
+            "id" : "009"
          },
          {
             "data" : [
@@ -196,6 +546,8 @@
             "id" : "010"
          },
          {
+            "id" : "011",
+            "name" : "011",
             "data" : [
                [
                   "Perl",
@@ -209,11 +561,11 @@
                   "Blog",
                   10
                ]
-            ],
-            "name" : "011",
-            "id" : "011"
+            ]
          },
          {
+            "id" : "012",
+            "name" : "012",
             "data" : [
                [
                   "Perl",
@@ -227,9 +579,7 @@
                   "Blog",
                   11
                ]
-            ],
-            "id" : "012",
-            "name" : "012"
+            ]
          },
          {
             "id" : "013",
@@ -250,6 +600,7 @@
             ]
          },
          {
+            "id" : "014",
             "data" : [
                [
                   "Perl",
@@ -264,10 +615,10 @@
                   15
                ]
             ],
-            "name" : "014",
-            "id" : "014"
+            "name" : "014"
          },
          {
+            "id" : "015",
             "data" : [
                [
                   "Perl",
@@ -282,10 +633,11 @@
                   15
                ]
             ],
-            "id" : "015",
             "name" : "015"
          },
          {
+            "id" : "016",
+            "name" : "016",
             "data" : [
                [
                   "Perl",
@@ -299,11 +651,11 @@
                   "Blog",
                   12
                ]
-            ],
-            "id" : "016",
-            "name" : "016"
+            ]
          },
          {
+            "id" : "017",
+            "name" : "017",
             "data" : [
                [
                   "Perl",
@@ -317,11 +669,11 @@
                   "Blog",
                   12
                ]
-            ],
-            "id" : "017",
-            "name" : "017"
+            ]
          },
          {
+            "id" : "018",
+            "name" : "018",
             "data" : [
                [
                   "Perl",
@@ -335,11 +687,10 @@
                   "Blog",
                   14
                ]
-            ],
-            "name" : "018",
-            "id" : "018"
+            ]
          },
          {
+            "name" : "019",
             "data" : [
                [
                   "Perl",
@@ -354,10 +705,11 @@
                   13
                ]
             ],
-            "name" : "019",
             "id" : "019"
          },
          {
+            "id" : "020",
+            "name" : "020",
             "data" : [
                [
                   "Perl",
@@ -371,11 +723,11 @@
                   "Blog",
                   13
                ]
-            ],
-            "name" : "020",
-            "id" : "020"
+            ]
          },
          {
+            "id" : "021",
+            "name" : "021",
             "data" : [
                [
                   "Perl",
@@ -389,11 +741,10 @@
                   "Blog",
                   10
                ]
-            ],
-            "id" : "021",
-            "name" : "021"
+            ]
          },
          {
+            "name" : "022",
             "data" : [
                [
                   "Perl",
@@ -408,12 +759,10 @@
                   10
                ]
             ],
-            "id" : "022",
-            "name" : "022"
+            "id" : "022"
          },
          {
             "id" : "023",
-            "name" : "023",
             "data" : [
                [
                   "Perl",
@@ -427,10 +776,10 @@
                   "Blog",
                   12
                ]
-            ]
+            ],
+            "name" : "023"
          },
          {
-            "id" : "024",
             "name" : "024",
             "data" : [
                [
@@ -445,10 +794,10 @@
                   "Blog",
                   11
                ]
-            ]
+            ],
+            "id" : "024"
          },
          {
-            "name" : "025",
             "id" : "025",
             "data" : [
                [
@@ -463,9 +812,11 @@
                   "Blog",
                   12
                ]
-            ]
+            ],
+            "name" : "025"
          },
          {
+            "id" : "026",
             "data" : [
                [
                   "Perl",
@@ -480,7 +831,6 @@
                   10
                ]
             ],
-            "id" : "026",
             "name" : "026"
          },
          {
@@ -502,6 +852,7 @@
             ]
          },
          {
+            "id" : "028",
             "data" : [
                [
                   "Perl",
@@ -516,10 +867,11 @@
                   9
                ]
             ],
-            "name" : "028",
-            "id" : "028"
+            "name" : "028"
          },
          {
+            "id" : "029",
+            "name" : "029",
             "data" : [
                [
                   "Perl",
@@ -533,11 +885,10 @@
                   "Blog",
                   12
                ]
-            ],
-            "id" : "029",
-            "name" : "029"
+            ]
          },
          {
+            "id" : "030",
             "data" : [
                [
                   "Perl",
@@ -552,7 +903,6 @@
                   10
                ]
             ],
-            "id" : "030",
             "name" : "030"
          },
          {
@@ -574,6 +924,7 @@
             ]
          },
          {
+            "id" : "032",
             "data" : [
                [
                   "Perl",
@@ -588,7 +939,6 @@
                   10
                ]
             ],
-            "id" : "032",
             "name" : "032"
          },
          {
@@ -606,10 +956,11 @@
                   10
                ]
             ],
-            "id" : "033",
-            "name" : "033"
+            "name" : "033",
+            "id" : "033"
          },
          {
+            "id" : "034",
             "data" : [
                [
                   "Perl",
@@ -624,8 +975,7 @@
                   11
                ]
             ],
-            "name" : "034",
-            "id" : "034"
+            "name" : "034"
          },
          {
             "data" : [
@@ -646,7 +996,6 @@
             "id" : "035"
          },
          {
-            "name" : "036",
             "id" : "036",
             "data" : [
                [
@@ -661,9 +1010,12 @@
                   "Blog",
                   11
                ]
-            ]
+            ],
+            "name" : "036"
          },
          {
+            "id" : "037",
+            "name" : "037",
             "data" : [
                [
                   "Perl",
@@ -677,11 +1029,11 @@
                   "Blog",
                   9
                ]
-            ],
-            "id" : "037",
-            "name" : "037"
+            ]
          },
          {
+            "id" : "038",
+            "name" : "038",
             "data" : [
                [
                   "Perl",
@@ -695,13 +1047,11 @@
                   "Blog",
                   12
                ]
-            ],
-            "name" : "038",
-            "id" : "038"
+            ]
          },
          {
-            "name" : "039",
             "id" : "039",
+            "name" : "039",
             "data" : [
                [
                   "Perl",
@@ -718,6 +1068,7 @@
             ]
          },
          {
+            "name" : "040",
             "data" : [
                [
                   "Perl",
@@ -732,8 +1083,7 @@
                   10
                ]
             ],
-            "id" : "040",
-            "name" : "040"
+            "id" : "040"
          },
          {
             "data" : [
@@ -754,8 +1104,6 @@
             "id" : "041"
          },
          {
-            "name" : "042",
-            "id" : "042",
             "data" : [
                [
                   "Perl",
@@ -769,11 +1117,13 @@
                   "Blog",
                   11
                ]
-            ]
+            ],
+            "name" : "042",
+            "id" : "042"
          },
          {
-            "name" : "043",
             "id" : "043",
+            "name" : "043",
             "data" : [
                [
                   "Perl",
@@ -790,8 +1140,8 @@
             ]
          },
          {
-            "name" : "044",
             "id" : "044",
+            "name" : "044",
             "data" : [
                [
                   "Perl",
@@ -808,6 +1158,7 @@
             ]
          },
          {
+            "name" : "045",
             "data" : [
                [
                   "Perl",
@@ -822,11 +1173,9 @@
                   11
                ]
             ],
-            "name" : "045",
             "id" : "045"
          },
          {
-            "name" : "046",
             "id" : "046",
             "data" : [
                [
@@ -841,11 +1190,10 @@
                   "Blog",
                   10
                ]
-            ]
+            ],
+            "name" : "046"
          },
          {
-            "id" : "047",
-            "name" : "047",
             "data" : [
                [
                   "Perl",
@@ -859,10 +1207,11 @@
                   "Blog",
                   10
                ]
-            ]
+            ],
+            "name" : "047",
+            "id" : "047"
          },
          {
-            "id" : "048",
             "name" : "048",
             "data" : [
                [
@@ -877,9 +1226,12 @@
                   "Blog",
                   12
                ]
-            ]
+            ],
+            "id" : "048"
          },
          {
+            "id" : "049",
+            "name" : "049",
             "data" : [
                [
                   "Perl",
@@ -893,11 +1245,11 @@
                   "Blog",
                   12
                ]
-            ],
-            "name" : "049",
-            "id" : "049"
+            ]
          },
          {
+            "id" : "050",
+            "name" : "050",
             "data" : [
                [
                   "Perl",
@@ -911,9 +1263,7 @@
                   "Blog",
                   12
                ]
-            ],
-            "name" : "050",
-            "id" : "050"
+            ]
          },
          {
             "id" : "051",
@@ -934,6 +1284,8 @@
             ]
          },
          {
+            "id" : "052",
+            "name" : "052",
             "data" : [
                [
                   "Perl",
@@ -947,13 +1299,10 @@
                   "Blog",
                   14
                ]
-            ],
-            "name" : "052",
-            "id" : "052"
+            ]
          },
          {
             "name" : "053",
-            "id" : "053",
             "data" : [
                [
                   "Perl",
@@ -967,11 +1316,11 @@
                   "Blog",
                   15
                ]
-            ]
+            ],
+            "id" : "053"
          },
          {
             "name" : "054",
-            "id" : "054",
             "data" : [
                [
                   "Perl",
@@ -985,7 +1334,8 @@
                   "Blog",
                   16
                ]
-            ]
+            ],
+            "id" : "054"
          },
          {
             "data" : [
@@ -1002,12 +1352,11 @@
                   14
                ]
             ],
-            "id" : "055",
-            "name" : "055"
+            "name" : "055",
+            "id" : "055"
          },
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             "name" : "056",
-            "id" : "056",
             "data" : [
                [
                   "Perl",
@@ -1021,11 +1370,10 @@
                   "Blog",
                   16
                ]
-            ]
+            ],
+            "id" : "056"
          },
          {
-            "id" : "057",
-            "name" : "057",
             "data" : [
                [
                   "Perl",
@@ -1039,11 +1387,12 @@
                   "Blog",
                   15
                ]
-            ]
+            ],
+            "name" : "057",
+            "id" : "057"
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          {
             "id" : "058",
-            "name" : "058",
             "data" : [
                [
                   "Perl",
@@ -1057,9 +1406,12 @@
                   "Blog",
                   12
                ]
-            ]
+            ],
+            "name" : "058"
          },
          {
+            "id" : "059",
+            "name" : "059",
             "data" : [
                [
                   "Perl",
@@ -1073,9 +1425,7 @@
                   "Blog",
                   15
                ]
-            ],
-            "name" : "059",
-            "id" : "059"
+            ]
          },
          {
             "data" : [
@@ -1092,8 +1442,8 @@
                   15
                ]
             ],
-            "id" : "060",
-            "name" : "060"
+            "name" : "060",
+            "id" : "060"
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          {
             "id" : "061",
@@ -1128,12 +1478,12 @@
                   11
                ]
             ],
-            "id" : "062",
-            "name" : "062"
+            "name" : "062",
+            "id" : "062"
          },
          {
-            "name" : "063",
             "id" : "063",
+            "name" : "063",
             "data" : [
                [
                   "Perl",
@@ -1164,12 +1514,11 @@
                   16
                ]
             ],
-            "id" : "064",
-            "name" : "064"
+            "name" : "064",
+            "id" : "064"
          },
          {
             "id" : "065",
-            "name" : "065",
             "data" : [
                [
                   "Perl",
@@ -1183,9 +1532,11 @@
                   "Blog",
                   15
                ]
-            ]
+            ],
+            "name" : "065"
          },
          {
+            "id" : "066",
             "data" : [
                [
                   "Perl",
@@ -1200,10 +1551,10 @@
                   13
                ]
             ],
-            "id" : "066",
             "name" : "066"
          },
          {
+            "id" : "067",
             "data" : [
                [
                   "Perl",
@@ -1218,16 +1569,13 @@
                   16
                ]
             ],
-            "name" : "067",
-            "id" : "067"
+            "name" : "067"
          },
          {
-            "name" : "068",
-            "id" : "068",
             "data" : [
                [
                   "Perl",
-                  24
+                  25
                ],
                [
                   "Raku",
@@ -1237,376 +1585,28 @@
                   "Blog",
                   6
                ]
-            ]
+            ],
+            "name" : "068",
+            "id" : "068"
          }
       ]
    },
-   "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>"
+   "subtitle" : {
+      "text" : "Click the columns to drilldown the language breakdown. Last updated at 2020-07-12 14:56:47 GMT"
    },
-   "series" : [
-      {
-         "name" : "Perl Weekly Challenge Languages",
-         "colorByPoint" : "true",
-         "data" : [
-            {
-               "y" : 142,
-               "name" : "#001",
-               "drilldown" : "001"
-            },
-            {
-               "y" : 109,
-               "name" : "#002",
-               "drilldown" : "002"
-            },
-            {
-               "drilldown" : "003",
-               "name" : "#003",
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-            },
-            {
-               "y" : 91,
-               "drilldown" : "004",
-               "name" : "#004"
-            },
-            {
-               "drilldown" : "005",
-               "name" : "#005",
-               "y" : 72
-            },
-            {
-               "name" : "#006",
-               "drilldown" : "006",
-               "y" : 52
-            },
-            {
-               "y" : 59,
-               "drilldown" : "007",
-               "name" : "#007"
-            },
-            {
-               "y" : 72,
-               "name" : "#008",
-               "drilldown" : "008"
-            },
-            {
-               "y" : 68,
-               "drilldown" : "009",
-               "name" : "#009"
-            },
-            {
-               "y" : 60,
-               "name" : "#010",
-               "drilldown" : "010"
-            },
-            {
-               "y" : 79,
-               "drilldown" : "011",
-               "name" : "#011"
-            },
-            {
-               "y" : 83,
-               "drilldown" : "012",
-               "name" : "#012"
-            },
-            {
-               "drilldown" : "013",
-               "name" : "#013",
-               "y" : 76
-            },
-            {
-               "y" : 96,
-               "name" : "#014",
-               "drilldown" : "014"
-            },
-            {
-               "name" : "#015",
-               "drilldown" : "015",
-               "y" : 93
-            },
-            {<