- Added solutions by Lubos Kolouch.

1 files changed, 1061 insertions, 1061 deletions

diff --git a/stats/pwc-language-breakdown.json b/stats/pwc-language-breakdown.json
index e82fa19d88..3cc411aa04 100644
--- a/stats/pwc-language-breakdown.json
+++ b/stats/pwc-language-breakdown.json
@@ -1,825 +1,8 @@
 {
-   "series" : [
-      {
-         "data" : [
-            {
-               "drilldown" : "001",
-               "name" : "#001",
-               "y" : 161
-            },
-            {
-               "drilldown" : "002",
-               "name" : "#002",
-               "y" : 125
-            },
-            {
-               "drilldown" : "003",
-               "name" : "#003",
-               "y" : 83
-            },
-            {
-               "name" : "#004",
-               "y" : 99,
-               "drilldown" : "004"
-            },
-            {
-               "y" : 78,
-               "name" : "#005",
-               "drilldown" : "005"
-            },
-            {
-               "name" : "#006",
-               "y" : 58,
-               "drilldown" : "006"
-            },
-            {
-               "drilldown" : "007",
-               "name" : "#007",
-               "y" : 64
-            },
-            {
-               "name" : "#008",
-               "y" : 78,
-               "drilldown" : "008"
-            },
-            {
-               "y" : 76,
-               "name" : "#009",
-               "drilldown" : "009"
-            },
-            {
-               "y" : 65,
-               "name" : "#010",
-               "drilldown" : "010"
-            },
-            {
-               "y" : 85,
-               "name" : "#011",
-               "drilldown" : "011"
-            },
-            {
-               "drilldown" : "012",
-               "name" : "#012",
-               "y" : 89
-            },
-            {
-               "name" : "#013",
-               "y" : 85,
-               "drilldown" : "013"
-            },
-            {
-               "name" : "#014",
-               "y" : 101,
-               "drilldown" : "014"
-            },
-            {
-               "drilldown" : "015",
-               "name" : "#015",
-               "y" : 99
-            },
-            {
-               "drilldown" : "016",
-               "name" : "#016",
-               "y" : 71
-            },
-            {
-               "drilldown" : "017",
-               "name" : "#017",
-               "y" : 84
-            },
-            {
-               "drilldown" : "018",
-               "name" : "#018",
-               "y" : 81
-            },
-            {
-               "y" : 103,
-               "name" : "#019",
-               "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"
-            },
-            {
-               "y" : 75,
-               "name" : "#024",
-               "drilldown" : "024"
-            },
-            {
-               "y" : 59,
-               "name" : "#025",
-               "drilldown" : "025"
-            },
-            {
-               "name" : "#026",
-               "y" : 74,
-               "drilldown" : "026"
-            },
-            {
-               "drilldown" : "027",
-               "name" : "#027",
-               "y" : 62
-            },
-            {
-               "drilldown" : "028",
-               "y" : 82,
-               "name" : "#028"
-            },
-            {
-               "drilldown" : "029",
-               "y" : 81,
-               "name" : "#029"
-            },
-            {
-               "drilldown" : "030",
-               "name" : "#030",
-               "y" : 119
-            },
-            {
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-               "name" : "#031",
-               "drilldown" : "031"
-            },
-            {
-               "drilldown" : "032",
-               "name" : "#032",
-               "y" : 96
-            },
-            {
-               "drilldown" : "033",
-               "name" : "#033",
-               "y" : 112
-            },
-            {
-               "name" : "#034",
-               "y" : 66,
-               "drilldown" : "034"
-            },
-            {
-               "drilldown" : "035",
-               "name" : "#035",
-               "y" : 66
-            },
-            {
-               "y" : 68,
-               "name" : "#036",
-               "drilldown" : "036"
-            },
-            {
-               "drilldown" : "037",
-               "y" : 67,
-               "name" : "#037"
-            },
-            {
-               "drilldown" : "038",
-               "name" : "#038",
-               "y" : 68
-            },
-            {
-               "y" : 62,
-               "name" : "#039",
-               "drilldown" : "039"
-            },
-            {
-               "drilldown" : "040",
-               "name" : "#040",
-               "y" : 73
-            },
-            {
-               "y" : 76,
-               "name" : "#041",
-               "drilldown" : "041"
-            },
-            {
-               "drilldown" : "042",
-               "name" : "#042",
-               "y" : 92
-            },
-            {
-               "drilldown" : "043",
-               "y" : 68,
-               "name" : "#043"
-            },
-            {
-               "drilldown" : "044",
-               "name" : "#044",
-               "y" : 85
-            },
-            {
-               "drilldown" : "045",
-               "y" : 96,
-               "name" : "#045"
-            },
-            {
-               "drilldown" : "046",
-               "name" : "#046",
-               "y" : 87
-            },
-            {
-               "drilldown" : "047",
-               "y" : 84,
-               "name" : "#047"
-            },
-            {
-               "drilldown" : "048",
-               "name" : "#048",
-               "y" : 108
-            },
-            {
-               "y" : 89,
-               "name" : "#049",
-               "drilldown" : "049"
-            },
-            {
-               "drilldown" : "050",
-               "name" : "#050",
-               "y" : 98
-            },
-            {
-               "y" : 89,
-               "name" : "#051",
-               "drilldown" : "051"
-            },
-            {
-               "y" : 91,
-               "name" : "#052",
-               "drilldown" : "052"
-            },
-            {
-               "drilldown" : "053",
-               "name" : "#053",
-               "y" : 101
-            },
-            {
-               "drilldown" : "054",
-               "name" : "#054",
-               "y" : 103
-            },
-            {
-               "drilldown" : "055",
-               "y" : 88,
-               "name" : "#055"
-            },
-            {
-               "name" : "#056",
-               "y" : 95,
-               "drilldown" : "056"
-            },
-            {
-               "drilldown" : "057",
-               "y" : 80,
-               "name" : "#057"
-            },
-            {
-               "drilldown" : "058",
-               "y" : 69,
-               "name" : "#058"
-            },
-            {
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-               "y" : 89,
-               "drilldown" : "059"
-            },
-            {
-               "y" : 85,
-               "name" : "#060",
-               "drilldown" : "060"
-            },
-            {
-               "y" : 81,
-               "name" : "#061",
-               "drilldown" : "061"
-            },
-            {
-               "name" : "#062",
-               "y" : 58,
-               "drilldown" : "062"
-            },
-            {
-               "drilldown" : "063",
-               "name" : "#063",
-               "y" : 89
-            },
-            {
-               "drilldown" : "064",
-               "name" : "#064",
-               "y" : 80
-            },
-            {
-               "name" : "#065",
-               "y" : 73,
-               "drilldown" : "065"
-            },
-            {
-               "y" : 84,
-               "name" : "#066",
-               "drilldown" : "066"
-            },
-            {
-               "drilldown" : "067",
-               "name" : "#067",
-               "y" : 90
-            },
-            {
-               "y" : 75,
-               "name" : "#068",
-               "drilldown" : "068"
-            },
-            {
-               "name" : "#069",
-               "y" : 83,
-               "drilldown" : "069"
-            },
-            {
-               "drilldown" : "070",
-               "y" : 93,
-               "name" : "#070"
-            },
-            {
-               "name" : "#071",
-               "y" : 78,
-               "drilldown" : "071"
-            },
-            {
-               "drilldown" : "072",
-               "y" : 112,
-               "name" : "#072"
-            },
-            {
-               "name" : "#073",
-               "y" : 110,
-               "drilldown" : "073"
-            },
-            {
-               "drilldown" : "074",
-               "name" : "#074",
-               "y" : 115
-            },
-            {
-               "drilldown" : "075",
-               "y" : 115,
-               "name" : "#075"
-            },
-            {
-               "drilldown" : "076",
-               "name" : "#076",
-               "y" : 101
-            },
-            {
-               "y" : 98,
-               "name" : "#077",
-               "drilldown" : "077"
-            },
-            {
-               "drilldown" : "078",
-               "y" : 127,
-               "name" : "#078"
-            },
-            {
-               "y" : 122,
-               "name" : "#079",
-               "drilldown" : "079"
-            },
-            {
-               "name" : "#080",
-               "y" : 127,
-               "drilldown" : "080"
-            },
-            {
-               "drilldown" : "081",
-               "name" : "#081",
-               "y" : 114
-            },
-            {
-               "y" : 114,
-               "name" : "#082",
-               "drilldown" : "082"
-            },
-            {
-               "name" : "#083",
-               "y" : 127,
-               "drilldown" : "083"
-            },
-            {
-               "name" : "#084",
-               "y" : 119,
-               "drilldown" : "084"
-            },
-            {
-               "drilldown" : "085",
-               "y" : 114,
-               "name" : "#085"
-            },
-            {
-               "drilldown" : "086",
-               "name" : "#086",
-               "y" : 104
-            },
-            {
-               "y" : 101,
-               "name" : "#087",
-               "drilldown" : "087"
-            },
-            {
-               "drilldown" : "088",
-               "name" : "#088",
-               "y" : 121
-            },
-            {
-               "drilldown" : "089",
-               "y" : 113,
-               "name" : "#089"
-            },
-            {
-               "y" : 113,
-               "name" : "#090",
-               "drilldown" : "090"
-            },
-            {
-               "name" : "#091",
-               "y" : 108,
-               "drilldown" : "091"
-            },
-            {
-               "drilldown" : "092",
-               "name" : "#092",
-               "y" : 98
-            },
-            {
-               "drilldown" : "093",
-               "name" : "#093",
-               "y" : 87
-            },
-            {
-               "name" : "#094",
-               "y" : 87,
-               "drilldown" : "094"
-            },
-            {
-               "drilldown" : "095",
-               "name" : "#095",
-               "y" : 108
-            },
-            {
-               "drilldown" : "096",
-               "name" : "#096",
-               "y" : 108
-            },
-            {
-               "name" : "#097",
-               "y" : 111,
-               "drilldown" : "097"
-            },
-            {
-               "y" : 108,
-               "name" : "#098",
-               "drilldown" : "098"
-            },
-            {
-               "y" : 97,
-               "name" : "#099",
-               "drilldown" : "099"
-            },
-            {
-               "drilldown" : "100",
-               "name" : "#100",
-               "y" : 120
-            },
-            {
-               "name" : "#101",
-               "y" : 83,
-               "drilldown" : "101"
-            },
-            {
-               "name" : "#102",
-               "y" : 90,
-               "drilldown" : "102"
-            },
-            {
-               "name" : "#103",
-               "y" : 79,
-               "drilldown" : "103"
-            },
-            {
-               "name" : "#104",
-               "y" : 85,
-               "drilldown" : "104"
-            },
-            {
-               "drilldown" : "105",
-               "y" : 75,
-               "name" : "#105"
-            },
-            {
-               "drilldown" : "106",
-               "y" : 97,
-               "name" : "#106"
-            },
-            {
-               "drilldown" : "107",
-               "name" : "#107",
-               "y" : 90
-            },
-            {
-               "drilldown" : "108",
-               "name" : "#108",
-               "y" : 94
-            },
-            {
-               "drilldown" : "109",
-               "name" : "#109",
-               "y" : 107
-            },
-            {
-               "name" : "#110",
-               "y" : 108,
-               "drilldown" : "110"
-            },
-            {
-               "drilldown" : "111",
-               "name" : "#111",
-               "y" : 91
-            },
-            {
-               "name" : "#112",
-               "y" : 92,
-               "drilldown" : "112"
-            },
-            {
-               "drilldown" : "113",
-               "name" : "#113",
-               "y" : 92
-            },
-            {
-               "drilldown" : "114",
-               "y" : 108,
-               "name" : "#114"
-            },
-            {
-               "name" : "#115",
-               "y" : 96,
-               "drilldown" : "115"
-            },
-            {
-               "name" : "#116",
-               "y" : 95,
-               "drilldown" : "116"
-            },
-            {
-               "drilldown" : "117",
-               "name" : "#117",
-               "y" : 97
-            },
-            {
-               "y" : 83,
-               "name" : "#118",
-               "drilldown" : "118"
-            },
-            {
-               "drilldown" : "119",
-               "y" : 125,
-               "name" : "#119"
-            },
-            {
-               "drilldown" : "120",
-               "name" : "#120",
-               "y" : 116
-            },
-            {
-               "drilldown" : "121",
-               "y" : 92,
-               "name" : "#121"
-            },
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-               "drilldown" : "122",
-               "name" : "#122",
-               "y" : 110
-            },
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-               "drilldown" : "123",
-               "name" : "#123",
-               "y" : 105
-            },
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-               "drilldown" : "124",
-               "name" : "#124",
-               "y" : 85
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-               "drilldown" : "125",
-               "name" : "#125",
-               "y" : 63
-            },
-            {
-               "drilldown" : "126",
-               "y" : 113,
-               "name" : "#126"
-            },
-            {
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-               "y" : 110,
-               "name" : "#127"
-            },
-            {
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-               "y" : 71,
-               "name" : "#128"
-            },
-            {
-               "drilldown" : "129",
-               "y" : 50,
-               "name" : "#129"
-            },
-            {
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-               "drilldown" : "130"
-            },
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-               "drilldown" : "131",
-               "name" : "#131",
-               "y" : 91
-            },
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-               "drilldown" : "132",
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-               "name" : "#132"
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-               "name" : "#156",
-               "y" : 58
-            }
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-         "name" : "The Weekly Challenge Languages"
-      }
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-      "pointFormat" : "<span style=\"color:{point.color}\">Challenge {point.name}</span>: <b>{point.y:f}</b><br/>",
-      "headerFormat" : "<span style=\"font-size:11px\"></span>",
-      "followPointer" : "true"
-   },
-   "legend" : {
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-   "xAxis" : {
-      "type" : "category"
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-   "yAxis" : {
-      "title" : {
-         "text" : "Total Solutions"
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-   },
-   "plotOptions" : {
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    "drilldown" : {
       "series" : [
          {
             "name" : "001",
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             "data" : [
                [
                   "Perl",
@@ -833,10 +16,10 @@
                   "Blog",
                   11
                ]
-            ]
+            ],
+            "id" : "001"
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             "id" : "002",
             "data" : [
                [
@@ -851,7 +34,8 @@
                   "Blog",
                   10
                ]
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+            ],
+            "name" : "002"
          },
          {
             "name" : "003",
@@ -891,6 +75,7 @@
          },
          {
             "name" : "005",
+            "id" : "005",
             "data" : [
                [
                   "Perl",
@@ -904,11 +89,10 @@
                   "Blog",
                   12
                ]
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                [
                   "Perl",
@@ -923,11 +107,9 @@
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                ]
             ],
-            "name" : "006"
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-            "id" : "007",
             "data" : [
                [
                   "Perl",
@@ -941,10 +123,11 @@
                   "Blog",
                   10
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                   "Perl",
@@ -959,11 +142,10 @@
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                   "Perl",
@@ -977,9 +159,12 @@
                   "Blog",
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+            "name" : "009"
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             "data" : [
                [
@@ -994,11 +179,10 @@
                   "Blog",
                   11
                ]
-            ],
-            "name" : "010"
+            ]
          },
          {
-            "name" : "011",
+            "id" : "011",
             "data" : [
                [
                   "Perl",
@@ -1013,9 +197,11 @@
                   10
                ]
             ],
-            "id" : "011"
+            "name" : "011"
          },
          {
+            "name" : "012",
+            "id" : "012",
             "data" : [
                [
                   "Perl",
@@ -1029,12 +215,10 @@
                   "Blog",
                   11
                ]
-            ],
-            "id" : "012",
-            "name" : "012"
+            ]
          },
          {
-            "id" : "013",
+            "name" : "013",
             "data" : [
                [
                   "Perl",
@@ -1049,10 +233,9 @@
                   13
                ]
             ],
-            "name" : "013"
+            "id" : "013"
          },
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-            "name" : "014",
             "data" : [
                [
                   "Perl",
@@ -1067,7 +250,8 @@
                   15
                ]
             ],
-            "id" : "014"
+            "id" : "014",
+            "name" : "014"
          },
          {
             "name" : "015",
@@ -1089,7 +273,6 @@
          },
          {
             "name" : "016",
-            "id" : "016",
             "data" : [
                [
                   "Perl",
@@ -1103,7 +286,8 @@
                   "Blog",
                   12
                ]
-            ]
+            ],
+            "id" : "016"
          },
          {
             "id" : "017",
@@ -1124,7 +308,6 @@
             "name" : "017"
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          {
-            "name" : "018",
             "data" : [
                [
                   "Perl",
@@ -1139,9 +322,11 @@
                   14
                ]
             ],
-            "id" : "018"
+            "id" : "018",
+            "name" : "018"
          },
          {
+            "id" : "019",
             "data" : [
                [
                   "Perl",
@@ -1156,10 +341,11 @@
                   13
                ]
             ],
-            "id" : "019",
             "name" : "019"
          },
          {
+            "name" : "020",
+            "id" : "020",
             "data" : [
                [
                   "Perl",
@@ -1173,12 +359,10 @@
                   "Blog",
                   13
                ]
-            ],
-            "id" : "020",
-            "name" : "020"
+            ]
          },
          {
-            "id" : "021",
+            "name" : "021",
             "data" : [
                [
                   "Perl",
@@ -1193,10 +377,9 @@
                   10
                ]
             ],
-            "name" : "021"
+            "id" : "021"
          },
          {
-            "id" : "022",
             "data" : [
                [
                   "Perl",
@@ -1211,6 +394,7 @@
                   10
                ]
             ],
+            "id" : "022",
             "name" : "022"
          },
          {
@@ -1232,6 +416,7 @@
             "name" : "023"
          },
          {
+            "id" : "024",
             "data" : [
                [
                   "Perl",
@@ -1246,10 +431,10 @@
                   11
                ]
             ],
-            "id" : "024",
             "name" : "024"
          },
          {
+            "name" : "025",
             "data" : [
                [
                   "Perl",
@@ -1264,8 +449,7 @@
                   12
                ]
             ],
-            "id" : "025",
-            "name" : "025"
+            "id" : "025"
          },
          {
             "id" : "026",
@@ -1286,6 +470,7 @@
             "name" : "026"
          },
          {
+            "name" : "027",
             "id" : "027",
             "data" : [
                [
@@ -1300,12 +485,9 @@
                   "Blog",
                   9
                ]
-            ],
-            "name" : "027"
+            ]
          },
          {
-            "name" : "028",
-            "id" : "028",
             "data" : [
                [
                   "Perl",
@@ -1319,9 +501,13 @@
                   "Blog",
                   9
                ]
-            ]
+            ],
+            "id" : "028",
+            "name" : "028"
          },
          {
+            "name" : "029",
+            "id" : "029",
             "data" : [
                [
                   "Perl",
@@ -1335,13 +521,10 @@
                   "Blog",
                   12
                ]
-            ],
-            "id" : "029",
-            "name" : "029"
+            ]
          },
          {
             "name" : "030",
-            "id" : "030",
             "data" : [
                [
                   "Perl",
@@ -1355,10 +538,10 @@
                   "Blog",
                   10
                ]
-            ]
+            ],
+            "id" : "030"
          },
          {
-            "name" : "031",
             "data" : [
                [
                   "Perl",
@@ -1373,10 +556,10 @@
                   9
                ]
             ],
-            "id" : "031"
+            "id" : "031",
+            "name" : "031"
          },
          {
-            "name" : "032",
             "data" : [
                [
                   "Perl",
@@ -1391,11 +574,10 @@
                   10
                ]
             ],
-            "id" : "032"
+            "id" : "032",
+            "name" : "032"
          },
          {
-            "name" : "033",
-            "id" : "033",
             "data" : [
                [
                   "Perl",
@@ -1409,7 +591,9 @@
                   "Blog",
                   10
                ]
-            ]
+            ],
+            "id" : "033",
+            "name" : "033"
          },
          {
             "name" : "034",
@@ -1431,6 +615,7 @@
          },
          {
             "name" : "035",
+            "id" : "035",
             "data" : [
                [
                   "Perl",
@@ -1444,10 +629,10 @@
                   "Blog",
                   9
                ]
-            ],
-            "id" : "035"
+            ]
          },
          {
+            "name" : "036",
             "id" : "036",
             "data" : [
                [
@@ -1462,12 +647,10 @@
                   "Blog",
                   11
                ]
-            ],
-            "name" : "036"
+            ]
          },
          {
             "name" : "037",
-            "id" : "037",
             "data" : [
                [
                   "Perl",
@@ -1481,7 +664,8 @@
                   "Blog",
                   9
                ]
-