- Added solution by Dario Mazzeo.

1 files changed, 1196 insertions, 1196 deletions

diff --git a/stats/pwc-language-breakdown.json b/stats/pwc-language-breakdown.json
index 7ff6e32c47..c4be06fd81 100644
--- a/stats/pwc-language-breakdown.json
+++ b/stats/pwc-language-breakdown.json
@@ -1,4 +1,888 @@
 {
+   "legend" : {
+      "enabled" : "false"
+   },
+   "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/>"
+   },
+   "plotOptions" : {
+      "series" : {
+         "borderWidth" : 0,
+         "dataLabels" : {
+            "enabled" : 1,
+            "format" : "{point.y}"
+         }
+      }
+   },
+   "series" : [
+      {
+         "colorByPoint" : "true",
+         "data" : [
+            {
+               "drilldown" : "001",
+               "y" : 161,
+               "name" : "#001"
+            },
+            {
+               "y" : 125,
+               "name" : "#002",
+               "drilldown" : "002"
+            },
+            {
+               "name" : "#003",
+               "y" : 83,
+               "drilldown" : "003"
+            },
+            {
+               "y" : 99,
+               "name" : "#004",
+               "drilldown" : "004"
+            },
+            {
+               "drilldown" : "005",
+               "name" : "#005",
+               "y" : 78
+            },
+            {
+               "name" : "#006",
+               "y" : 58,
+               "drilldown" : "006"
+            },
+            {
+               "drilldown" : "007",
+               "y" : 64,
+               "name" : "#007"
+            },
+            {
+               "drilldown" : "008",
+               "y" : 78,
+               "name" : "#008"
+            },
+            {
+               "name" : "#009",
+               "y" : 76,
+               "drilldown" : "009"
+            },
+            {
+               "y" : 65,
+               "name" : "#010",
+               "drilldown" : "010"
+            },
+            {
+               "y" : 85,
+               "name" : "#011",
+               "drilldown" : "011"
+            },
+            {
+               "drilldown" : "012",
+               "y" : 89,
+               "name" : "#012"
+            },
+            {
+               "drilldown" : "013",
+               "y" : 85,
+               "name" : "#013"
+            },
+            {
+               "drilldown" : "014",
+               "name" : "#014",
+               "y" : 101
+            },
+            {
+               "drilldown" : "015",
+               "name" : "#015",
+               "y" : 99
+            },
+            {
+               "y" : 71,
+               "name" : "#016",
+               "drilldown" : "016"
+            },
+            {
+               "drilldown" : "017",
+               "y" : 84,
+               "name" : "#017"
+            },
+            {
+               "drilldown" : "018",
+               "y" : 81,
+               "name" : "#018"
+            },
+            {
+               "name" : "#019",
+               "y" : 103,
+               "drilldown" : "019"
+            },
+            {
+               "drilldown" : "020",
+               "name" : "#020",
+               "y" : 101
+            },
+            {
+               "name" : "#021",
+               "y" : 72,
+               "drilldown" : "021"
+            },
+            {
+               "y" : 68,
+               "name" : "#022",
+               "drilldown" : "022"
+            },
+            {
+               "y" : 97,
+               "name" : "#023",
+               "drilldown" : "023"
+            },
+            {
+               "name" : "#024",
+               "y" : 75,
+               "drilldown" : "024"
+            },
+            {
+               "drilldown" : "025",
+               "name" : "#025",
+               "y" : 59
+            },
+            {
+               "y" : 74,
+               "name" : "#026",
+               "drilldown" : "026"
+            },
+            {
+               "drilldown" : "027",
+               "y" : 62,
+               "name" : "#027"
+            },
+            {
+               "name" : "#028",
+               "y" : 82,
+               "drilldown" : "028"
+            },
+            {
+               "drilldown" : "029",
+               "y" : 81,
+               "name" : "#029"
+            },
+            {
+               "drilldown" : "030",
+               "name" : "#030",
+               "y" : 119
+            },
+            {
+               "name" : "#031",
+               "y" : 91,
+               "drilldown" : "031"
+            },
+            {
+               "drilldown" : "032",
+               "name" : "#032",
+               "y" : 96
+            },
+            {
+               "y" : 112,
+               "name" : "#033",
+               "drilldown" : "033"
+            },
+            {
+               "drilldown" : "034",
+               "y" : 66,
+               "name" : "#034"
+            },
+            {
+               "y" : 66,
+               "name" : "#035",
+               "drilldown" : "035"
+            },
+            {
+               "drilldown" : "036",
+               "name" : "#036",
+               "y" : 70
+            },
+            {
+               "drilldown" : "037",
+               "y" : 69,
+               "name" : "#037"
+            },
+            {
+               "drilldown" : "038",
+               "name" : "#038",
+               "y" : 70
+            },
+            {
+               "drilldown" : "039",
+               "name" : "#039",
+               "y" : 64
+            },
+            {
+               "drilldown" : "040",
+               "y" : 75,
+               "name" : "#040"
+            },
+            {
+               "y" : 78,
+               "name" : "#041",
+               "drilldown" : "041"
+            },
+            {
+               "drilldown" : "042",
+               "y" : 94,
+               "name" : "#042"
+            },
+            {
+               "drilldown" : "043",
+               "name" : "#043",
+               "y" : 70
+            },
+            {
+               "drilldown" : "044",
+               "y" : 87,
+               "name" : "#044"
+            },
+            {
+               "drilldown" : "045",
+               "y" : 98,
+               "name" : "#045"
+            },
+            {
+               "drilldown" : "046",
+               "y" : 89,
+               "name" : "#046"
+            },
+            {
+               "name" : "#047",
+               "y" : 86,
+               "drilldown" : "047"
+            },
+            {
+               "y" : 110,
+               "name" : "#048",
+               "drilldown" : "048"
+            },
+            {
+               "name" : "#049",
+               "y" : 91,
+               "drilldown" : "049"
+            },
+            {
+               "drilldown" : "050",
+               "y" : 100,
+               "name" : "#050"
+            },
+            {
+               "drilldown" : "051",
+               "y" : 91,
+               "name" : "#051"
+            },
+            {
+               "name" : "#052",
+               "y" : 93,
+               "drilldown" : "052"
+            },
+            {
+               "drilldown" : "053",
+               "y" : 103,
+               "name" : "#053"
+            },
+            {
+               "drilldown" : "054",
+               "y" : 105,
+               "name" : "#054"
+            },
+            {
+               "drilldown" : "055",
+               "y" : 90,
+               "name" : "#055"
+            },
+            {
+               "drilldown" : "056",
+               "name" : "#056",
+               "y" : 97
+            },
+            {
+               "name" : "#057",
+               "y" : 82,
+               "drilldown" : "057"
+            },
+            {
+               "name" : "#058",
+               "y" : 71,
+               "drilldown" : "058"
+            },
+            {
+               "drilldown" : "059",
+               "name" : "#059",
+               "y" : 91
+            },
+            {
+               "name" : "#060",
+               "y" : 87,
+               "drilldown" : "060"
+            },
+            {
+               "y" : 83,
+               "name" : "#061",
+               "drilldown" : "061"
+            },
+            {
+               "name" : "#062",
+               "y" : 60,
+               "drilldown" : "062"
+            },
+            {
+               "drilldown" : "063",
+               "name" : "#063",
+               "y" : 91
+            },
+            {
+               "y" : 82,
+               "name" : "#064",
+               "drilldown" : "064"
+            },
+            {
+               "drilldown" : "065",
+               "y" : 75,
+               "name" : "#065"
+            },
+            {
+               "drilldown" : "066",
+               "y" : 86,
+               "name" : "#066"
+            },
+            {
+               "drilldown" : "067",
+               "y" : 92,
+               "name" : "#067"
+            },
+            {
+               "drilldown" : "068",
+               "name" : "#068",
+               "y" : 77
+            },
+            {
+               "drilldown" : "069",
+               "y" : 85,
+               "name" : "#069"
+            },
+            {
+               "y" : 95,
+               "name" : "#070",
+               "drilldown" : "070"
+            },
+            {
+               "name" : "#071",
+               "y" : 80,
+               "drilldown" : "071"
+            },
+            {
+               "name" : "#072",
+               "y" : 114,
+               "drilldown" : "072"
+            },
+            {
+               "y" : 112,
+               "name" : "#073",
+               "drilldown" : "073"
+            },
+            {
+               "name" : "#074",
+               "y" : 117,
+               "drilldown" : "074"
+            },
+            {
+               "name" : "#075",
+               "y" : 117,
+               "drilldown" : "075"
+            },
+            {
+               "drilldown" : "076",
+               "name" : "#076",
+               "y" : 101
+            },
+            {
+               "drilldown" : "077",
+               "name" : "#077",
+               "y" : 100
+            },
+            {
+               "drilldown" : "078",
+               "name" : "#078",
+               "y" : 127
+            },
+            {
+               "drilldown" : "079",
+               "y" : 122,
+               "name" : "#079"
+            },
+            {
+               "drilldown" : "080",
+               "y" : 127,
+               "name" : "#080"
+            },
+            {
+               "name" : "#081",
+               "y" : 114,
+               "drilldown" : "081"
+            },
+            {
+               "drilldown" : "082",
+               "y" : 114,
+               "name" : "#082"
+            },
+            {
+               "drilldown" : "083",
+               "name" : "#083",
+               "y" : 127
+            },
+            {
+               "y" : 119,
+               "name" : "#084",
+               "drilldown" : "084"
+            },
+            {
+               "name" : "#085",
+               "y" : 114,
+               "drilldown" : "085"
+            },
+            {
+               "drilldown" : "086",
+               "name" : "#086",
+               "y" : 104
+            },
+            {
+               "drilldown" : "087",
+               "name" : "#087",
+               "y" : 101
+            },
+            {
+               "name" : "#088",
+               "y" : 121,
+               "drilldown" : "088"
+            },
+            {
+               "drilldown" : "089",
+               "name" : "#089",
+               "y" : 113
+            },
+            {
+               "name" : "#090",
+               "y" : 113,
+               "drilldown" : "090"
+            },
+            {
+               "y" : 108,
+               "name" : "#091",
+               "drilldown" : "091"
+            },
+            {
+               "drilldown" : "092",
+               "y" : 98,
+               "name" : "#092"
+            },
+            {
+               "drilldown" : "093",
+               "name" : "#093",
+               "y" : 87
+            },
+            {
+               "y" : 87,
+               "name" : "#094",
+               "drilldown" : "094"
+            },
+            {
+               "drilldown" : "095",
+               "y" : 108,
+               "name" : "#095"
+            },
+            {
+               "drilldown" : "096",
+               "y" : 108,
+               "name" : "#096"
+            },
+            {
+               "drilldown" : "097",
+               "name" : "#097",
+               "y" : 111
+            },
+            {
+               "name" : "#098",
+               "y" : 108,
+               "drilldown" : "098"
+            },
+            {
+               "drilldown" : "099",
+               "y" : 97,
+               "name" : "#099"
+            },
+            {
+               "drilldown" : "100",
+               "y" : 120,
+               "name" : "#100"
+            },
+            {
+               "drilldown" : "101",
+               "name" : "#101",
+               "y" : 83
+            },
+            {
+               "y" : 90,
+               "name" : "#102",
+               "drilldown" : "102"
+            },
+            {
+               "drilldown" : "103",
+               "y" : 79,
+               "name" : "#103"
+            },
+            {
+               "drilldown" : "104",
+               "y" : 85,
+               "name" : "#104"
+            },
+            {
+               "drilldown" : "105",
+               "y" : 75,
+               "name" : "#105"
+            },
+            {
+               "name" : "#106",
+               "y" : 97,
+               "drilldown" : "106"
+            },
+            {
+               "y" : 90,
+               "name" : "#107",
+               "drilldown" : "107"
+            },
+            {
+               "name" : "#108",
+               "y" : 94,
+               "drilldown" : "108"
+            },
+            {
+               "name" : "#109",
+               "y" : 107,
+               "drilldown" : "109"
+            },
+            {
+               "y" : 108,
+               "name" : "#110",
+               "drilldown" : "110"
+            },
+            {
+               "name" : "#111",
+               "y" : 91,
+               "drilldown" : "111"
+            },
+            {
+               "y" : 92,
+               "name" : "#112",
+               "drilldown" : "112"
+            },
+            {
+               "drilldown" : "113",
+               "name" : "#113",
+               "y" : 92
+            },
+            {
+               "drilldown" : "114",
+               "y" : 108,
+               "name" : "#114"
+            },
+            {
+               "drilldown" : "115",
+               "y" : 96,
+               "name" : "#115"
+            },
+            {
+               "drilldown" : "116",
+               "y" : 95,
+               "name" : "#116"
+            },
+            {
+               "y" : 97,
+               "name" : "#117",
+               "drilldown" : "117"
+            },
+            {
+               "drilldown" : "118",
+               "y" : 83,
+               "name" : "#118"
+            },
+            {
+               "drilldown" : "119",
+               "y" : 125,
+               "name" : "#119"
+            },
+            {
+               "drilldown" : "120",
+               "y" : 116,
+               "name" : "#120"
+            },
+            {
+               "name" : "#121",
+               "y" : 92,
+               "drilldown" : "121"
+            },
+            {
+               "drilldown" : "122",
+               "y" : 110,
+               "name" : "#122"
+            },
+            {
+               "drilldown" : "123",
+               "y" : 105,
+               "name" : "#123"
+            },
+            {
+               "y" : 85,
+               "name" : "#124",
+               "drilldown" : "124"
+            },
+            {
+               "name" : "#125",
+               "y" : 63,
+               "drilldown" : "125"
+            },
+            {
+               "name" : "#126",
+               "y" : 113,
+               "drilldown" : "126"
+            },
+            {
+               "drilldown" : "127",
+               "y" : 110,
+               "name" : "#127"
+            },
+            {
+               "drilldown" : "128",
+               "name" : "#128",
+               "y" : 71
+            },
+            {
+               "name" : "#129",
+               "y" : 50,
+               "drilldown" : "129"
+            },
+            {
+               "drilldown" : "130",
+               "name" : "#130",
+               "y" : 73
+            },
+            {
+               "drilldown" : "131",
+               "name" : "#131",
+               "y" : 91
+            },
+            {
+               "drilldown" : "132",
+               "y" : 78,
+               "name" : "#132"
+            },
+            {
+               "name" : "#133",
+               "y" : 95,
+               "drilldown" : "133"
+            },
+            {
+               "name" : "#134",
+               "y" : 94,
+               "drilldown" : "134"
+            },
+            {
+               "drilldown" : "135",
+               "y" : 104,
+               "name" : "#135"
+            },
+            {
+               "y" : 95,
+               "name" : "#136",
+               "drilldown" : "136"
+            },
+            {
+               "drilldown" : "137",
+               "name" : "#137",
+               "y" : 100
+            },
+            {
+               "name" : "#138",
+               "y" : 102,
+               "drilldown" : "138"
+            },
+            {
+               "drilldown" : "139",
+               "name" : "#139",
+               "y" : 97
+            },
+            {
+               "name" : "#140",
+               "y" : 103,
+               "drilldown" : "140"
+            },
+            {
+               "name" : "#141",
+               "y" : 102,
+               "drilldown" : "141"
+            },
+            {
+               "y" : 83,
+               "name" : "#142",
+               "drilldown" : "142"
+            },
+            {
+               "drilldown" : "143",
+               "name" : "#143",
+               "y" : 81
+            },
+            {
+               "drilldown" : "144",
+               "name" : "#144",
+               "y" : 85
+            },
+            {
+               "drilldown" : "145",
+               "y" : 93,
+               "name" : "#145"
+            },
+            {
+               "drilldown" : "146",
+               "y" : 105,
+               "name" : "#146"
+            },
+            {
+               "drilldown" : "147",
+               "y" : 106,
+               "name" : "#147"
+            },
+            {
+               "y" : 92,
+               "name" : "#148",
+               "drilldown" : "148"
+            },
+            {
+               "drilldown" : "149",
+               "y" : 88,
+               "name" : "#149"
+            },
+            {
+               "y" : 106,
+               "name" : "#150",
+               "drilldown" : "150"
+            },
+            {
+               "drilldown" : "151",
+               "y" : 77,
+               "name" : "#151"
+            },
+            {
+               "y" : 80,
+               "name" : "#152",
+               "drilldown" : "152"
+            },
+            {
+               "drilldown" : "153",
+               "name" : "#153",
+               "y" : 97
+            },
+            {
+               "name" : "#154",
+               "y" : 106,
+               "drilldown" : "154"
+            },
+            {
+               "y" : 99,
+               "name" : "#155",
+               "drilldown" : "155"
+            },
+            {
+               "drilldown" : "156",
+               "y" : 96,
+               "name" : "#156"
+            },
+            {
+               "drilldown" : "157",
+               "y" : 95,
+               "name" : "#157"
+            },
+            {
+               "drilldown" : "158",
+               "name" : "#158",
+               "y" : 105
+            },
+            {
+               "y" : 92,
+               "name" : "#159",
+               "drilldown" : "159"
+            },
+            {
+               "name" : "#160",
+               "y" : 119,
+               "drilldown" : "160"
+            },
+            {
+               "drilldown" : "161",
+               "y" : 100,
+               "name" : "#161"
+            },
+            {
+               "y" : 92,
+               "name" : "#162",
+               "drilldown" : "162"
+            },
+            {
+               "drilldown" : "163",
+               "name" : "#163",
+               "y" : 114
+            },
+            {
+               "name" : "#164",
+               "y" : 118,
+               "drilldown" : "164"
+            },
+            {
+               "drilldown" : "165",
+               "y" : 76,
+               "name" : "#165"
+            },
+            {
+               "drilldown" : "166",
+               "name" : "#166",
+               "y" : 77
+            },
+            {
+               "drilldown" : "167",
+               "name" : "#167",
+               "y" : 73
+            },
+            {
+               "drilldown" : "168",
+               "y" : 96,
+               "name" : "#168"
+            },
+            {
+               "drilldown" : "169",
+               "y" : 43,
+               "name" : "#169"
+            }
+         ],
+         "name" : "The Weekly Challenge Languages"
+      }
+   ],
+   "xAxis" : {
+      "type" : "category"
+   },
+   "chart" : {
+      "type" : "column"
+   },
+   "yAxis" : {
+      "title" : {
+         "text" : "Total Solutions"
+      }
+   },
+   "title" : {
+      "text" : "The Weekly Challenge Language"
+   },
    "drilldown" : {
       "series" : [
          {
@@ -16,10 +900,11 @@
                   11
                ]
             ],
-            "name" : "001",
-            "id" : "001"
+            "id" : "001",
+            "name" : "001"
          },
          {
+            "name" : "002",
             "data" : [
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                   "Perl",
@@ -34,7 +919,6 @@
                   10
                ]
             ],
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@@ -56,8 +940,6 @@
             "name" : "003"
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-            "id" : "004",
             "data" : [
                [
                   "Perl",
@@ -71,9 +953,12 @@
                   "Blog",
                   10
                ]
-            ]
+            ],
+            "name" : "004",
+            "id" : "004"
          },
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+            "id" : "005",
             "data" : [
                [
                   "Perl",
@@ -88,12 +973,10 @@
                   12
                ]
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             "name" : "005"
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-            "name" : "006",
             "data" : [
                [
                   "Perl",
@@ -107,11 +990,11 @@
                   "Blog",
                   7
                ]
-            ]
+            ],
+            "name" : "006"
          },
          {
             "id" : "007",
-            "name" : "007",
             "data" : [
                [
                   "Perl",
@@ -125,9 +1008,11 @@
                   "Blog",
                   10
                ]
-            ]
+            ],
+            "name" : "007"
          },
          {
+            "name" : "008",
             "data" : [
                [
                   "Perl",
@@ -142,11 +1027,9 @@
                   12
                ]
             ],
-            "name" : "008",
             "id" : "008"
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-            "name" : "009",
             "id" : "009",
             "data" : [
                [
@@ -161,11 +1044,10 @@
                   "Blog",
                   13
                ]
-            ]
+            ],
+            "name" : "009"
          },
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-            "id" : "010",
-            "name" : "010",
             "data" : [
                [
                   "Perl",
@@ -179,11 +1061,12 @@
                   "Blog",
                   11
                ]
-            ]
+            ],
+            "id" : "010",
+            "name" : "010"
          },
          {
             "name" : "011",
-            "id" : "011",
             "data" : [
                [
                   "Perl",
@@ -197,11 +1080,10 @@
                   "Blog",
                   10
                ]
-            ]
+            ],
+            "id" : "011"
          },
          {
-            "id" : "012",
-            "name" : "012",
             "data" : [
                [
                   "Perl",
@@ -215,7 +1097,9 @@
                   "Blog",
                   11
                ]
-            ]
+            ],
+            "name" : "012",
+            "id" : "012"
          },
          {
             "data" : [
@@ -236,8 +1120,6 @@
             "name" : "013"
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-            "id" : "014",
-            "name" : "014",
             "data" : [
                [
                   "Perl",
@@ -251,11 +1133,11 @@
                   "Blog",
                   15
                ]
-            ]
+            ],
+            "name" : "014",
+            "id" : "014"
          },
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-            "name" : "015",
-            "id" : "015",
             "data" : [
                [
                   "Perl",
@@ -269,11 +1151,12 @@
                   "Blog",
                   15
                ]
-            ]
+            ],
+            "name" : "015",
+            "id" : "015"
          },
          {
             "name" : "016",
-            "id" : "016",
             "data" : [
                [
                   "Perl",
@@ -287,9 +1170,11 @@
                   "Blog",
                   12
                ]
-            ]
+            ],
+            "id" : "016"
          },
          {
+            "id" : "017",
             "data" : [
                [
                   "Perl",
@@ -304,12 +1189,10 @@
                   12
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             ],
-            "id" : "017",
             "name" : "017"
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             "name" : "018",
-            "id" : "018",
             "data" : [
                [
                   "Perl",
@@ -323,7 +1206,8 @@
                   "Blog",
                   14
                ]
-            ]
+            ],
+            "id" : "018"
          },
          {
             "data" : [
@@ -344,8 +1228,6 @@
             "name" : "019"
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-            "name" : "020",
             "data" : [
                [
                   "Perl",
@@ -359,10 +1241,11 @@
                   "Blog",
                   13
                ]
-            ]
+            ],
+            "id" : "020",
+            "name" : "020"
          },
          {
-            "name" : "021",
             "id" : "021",
             "data" : [
                [
@@ -377,10 +1260,10 @@
                   "Blog",
                   10
                ]
-            ]
+            ],
+            "name" : "021"
          },
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-            "id" : "022",
             "name" : "022",
             "data" : [
                [
@@ -395,7 +1278,8 @@
                   "Blog",
                   10
                ]
-            ]
+            ],
+            "id" : "022"
          },
          {
             "data" : [
@@ -412,10 +1296,11 @@
                   12
                ]
             ],
-            "id" : "023",
-            "name" : "023"
+            "name" : "023",
+            "id" : "023"
          },
          {
+            "name" : "024",
             "data" : [
                [
                   "Perl",
@@ -430,11 +1315,9 @@
                   11
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             ],
-            "name" : "024",
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-            "id" : "025",
             "name" : "025",
             "data" : [
                [
@@ -449,10 +1332,10 @@
                   "Blog",
                   12
                ]
-            ]
+            ],
+            "id" : "025"
          },
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-            "id" : "026",
             "name" : "026",
             "data" : [
                [
@@ -467,11 +1350,10 @@
                   "Blog",
                   10
                ]
-            ]
+            ],
+            "id" : "026"
          },
          {
-            "name" : "027",
-            "id" : "027",
             "data" : [
                [
                   "Perl",
@@ -485,11 +1367,12 @@
                   "Blog",
                   9
                ]
-            ]
+            ],
+            "id" : "027",
+            "name" : "027"
          },
          {
             "name" : "028",
-            "id" : "028",
             "data" : [
                [
                   "Perl",
@@ -503,11 +1386,10 @@
                   "Blog",
                   9
                ]
-            ]
+            ],
+            "id" : "028"
          },
          {
-            "name" : "029",
-            "id" : "029",
             "data" : [
                [
                   "Perl",