- Added solutions by Feng Chang.

1 files changed, 907 insertions, 907 deletions

diff --git a/stats/pwc-language-breakdown.json b/stats/pwc-language-breakdown.json
index afc5ee6457..d3e1b2f507 100644
--- a/stats/pwc-language-breakdown.json
+++ b/stats/pwc-language-breakdown.json
@@ -1,18 +1,11 @@
 {
-   "tooltip" : {
-      "headerFormat" : "<span style=\"font-size:11px\"></span>",
-      "pointFormat" : "<span style=\"color:{point.color}\">Challenge {point.name}</span>: <b>{point.y:f}</b><br/>",
-      "followPointer" : "true"
-   },
-   "title" : {
-      "text" : "The Weekly Challenge Language"
-   },
-   "xAxis" : {
-      "type" : "category"
+   "chart" : {
+      "type" : "column"
    },
    "drilldown" : {
       "series" : [
          {
+            "id" : "001",
             "name" : "001",
             "data" : [
                [
@@ -27,11 +20,9 @@
                   "Blog",
                   12
                ]
-            ],
-            "id" : "001"
+            ]
          },
          {
-            "name" : "002",
             "data" : [
                [
                   "Perl",
@@ -46,7 +37,8 @@
                   10
                ]
             ],
-            "id" : "002"
+            "id" : "002",
+            "name" : "002"
          },
          {
             "data" : [
@@ -63,8 +55,8 @@
                   9
                ]
             ],
-            "name" : "003",
-            "id" : "003"
+            "id" : "003",
+            "name" : "003"
          },
          {
             "data" : [
@@ -81,10 +73,11 @@
                   10
                ]
             ],
-            "name" : "004",
-            "id" : "004"
+            "id" : "004",
+            "name" : "004"
          },
          {
+            "id" : "005",
             "name" : "005",
             "data" : [
                [
@@ -99,11 +92,9 @@
                   "Blog",
                   12
                ]
-            ],
-            "id" : "005"
+            ]
          },
          {
-            "id" : "006",
             "data" : [
                [
                   "Perl",
@@ -118,10 +109,10 @@
                   7
                ]
             ],
-            "name" : "006"
+            "name" : "006",
+            "id" : "006"
          },
          {
-            "id" : "007",
             "data" : [
                [
                   "Perl",
@@ -136,10 +127,10 @@
                   10
                ]
             ],
+            "id" : "007",
             "name" : "007"
          },
          {
-            "id" : "008",
             "data" : [
                [
                   "Perl",
@@ -154,10 +145,10 @@
                   12
                ]
             ],
-            "name" : "008"
+            "name" : "008",
+            "id" : "008"
          },
          {
-            "id" : "009",
             "data" : [
                [
                   "Perl",
@@ -172,10 +163,10 @@
                   13
                ]
             ],
+            "id" : "009",
             "name" : "009"
          },
          {
-            "name" : "010",
             "data" : [
                [
                   "Perl",
@@ -190,7 +181,8 @@
                   11
                ]
             ],
-            "id" : "010"
+            "id" : "010",
+            "name" : "010"
          },
          {
             "id" : "011",
@@ -212,6 +204,7 @@
          },
          {
             "name" : "012",
+            "id" : "012",
             "data" : [
                [
                   "Perl",
@@ -225,8 +218,7 @@
                   "Blog",
                   11
                ]
-            ],
-            "id" : "012"
+            ]
          },
          {
             "data" : [
@@ -248,6 +240,7 @@
          },
          {
             "name" : "014",
+            "id" : "014",
             "data" : [
                [
                   "Perl",
@@ -261,11 +254,9 @@
                   "Blog",
                   15
                ]
-            ],
-            "id" : "014"
+            ]
          },
          {
-            "id" : "015",
             "data" : [
                [
                   "Perl",
@@ -280,10 +271,12 @@
                   15
                ]
             ],
-            "name" : "015"
+            "name" : "015",
+            "id" : "015"
          },
          {
             "id" : "016",
+            "name" : "016",
             "data" : [
                [
                   "Perl",
@@ -297,11 +290,9 @@
                   "Blog",
                   13
                ]
-            ],
-            "name" : "016"
+            ]
          },
          {
-            "name" : "017",
             "data" : [
                [
                   "Perl",
@@ -316,10 +307,10 @@
                   12
                ]
             ],
+            "name" : "017",
             "id" : "017"
          },
          {
-            "id" : "018",
             "data" : [
                [
                   "Perl",
@@ -334,10 +325,10 @@
                   14
                ]
             ],
+            "id" : "018",
             "name" : "018"
          },
          {
-            "id" : "019",
             "data" : [
                [
                   "Perl",
@@ -352,10 +343,10 @@
                   13
                ]
             ],
+            "id" : "019",
             "name" : "019"
          },
          {
-            "id" : "020",
             "data" : [
                [
                   "Perl",
@@ -370,11 +361,12 @@
                   13
                ]
             ],
-            "name" : "020"
+            "name" : "020",
+            "id" : "020"
          },
          {
-            "id" : "021",
             "name" : "021",
+            "id" : "021",
             "data" : [
                [
                   "Perl",
@@ -409,7 +401,6 @@
             "id" : "022"
          },
          {
-            "name" : "023",
             "data" : [
                [
                   "Perl",
@@ -424,11 +415,12 @@
                   12
                ]
             ],
-            "id" : "023"
+            "id" : "023",
+            "name" : "023"
          },
          {
-            "id" : "024",
             "name" : "024",
+            "id" : "024",
             "data" : [
                [
                   "Perl",
@@ -445,6 +437,8 @@
             ]
          },
          {
+            "name" : "025",
+            "id" : "025",
             "data" : [
                [
                   "Perl",
@@ -458,12 +452,9 @@
                   "Blog",
                   12
                ]
-            ],
-            "name" : "025",
-            "id" : "025"
+            ]
          },
          {
-            "id" : "026",
             "data" : [
                [
                   "Perl",
@@ -478,6 +469,7 @@
                   10
                ]
             ],
+            "id" : "026",
             "name" : "026"
          },
          {
@@ -499,6 +491,8 @@
             "id" : "027"
          },
          {
+            "id" : "028",
+            "name" : "028",
             "data" : [
                [
                   "Perl",
@@ -512,11 +506,10 @@
                   "Blog",
                   9
                ]
-            ],
-            "name" : "028",
-            "id" : "028"
+            ]
          },
          {
+            "id" : "029",
             "name" : "029",
             "data" : [
                [
@@ -531,12 +524,9 @@
                   "Blog",
                   12
                ]
-            ],
-            "id" : "029"
+            ]
          },
          {
-            "id" : "030",
-            "name" : "030",
             "data" : [
                [
                   "Perl",
@@ -550,7 +540,9 @@
                   "Blog",
                   10
                ]
-            ]
+            ],
+            "id" : "030",
+            "name" : "030"
          },
          {
             "data" : [
@@ -571,6 +563,8 @@
             "id" : "031"
          },
          {
+            "name" : "032",
+            "id" : "032",
             "data" : [
                [
                   "Perl",
@@ -584,13 +578,11 @@
                   "Blog",
                   10
                ]
-            ],
-            "name" : "032",
-            "id" : "032"
+            ]
          },
          {
-            "id" : "033",
             "name" : "033",
+            "id" : "033",
             "data" : [
                [
                   "Perl",
@@ -607,6 +599,8 @@
             ]
          },
          {
+            "id" : "034",
+            "name" : "034",
             "data" : [
                [
                   "Perl",
@@ -620,13 +614,9 @@
                   "Blog",
                   11
                ]
-            ],
-            "name" : "034",
-            "id" : "034"
+            ]
          },
          {
-            "id" : "035",
-            "name" : "035",
             "data" : [
                [
                   "Perl",
@@ -640,7 +630,9 @@
                   "Blog",
                   9
                ]
-            ]
+            ],
+            "id" : "035",
+            "name" : "035"
          },
          {
             "data" : [
@@ -657,12 +649,12 @@
                   11
                ]
             ],
-            "name" : "036",
-            "id" : "036"
+            "id" : "036",
+            "name" : "036"
          },
          {
-            "id" : "037",
             "name" : "037",
+            "id" : "037",
             "data" : [
                [
                   "Perl",
@@ -679,6 +671,8 @@
             ]
          },
          {
+            "id" : "038",
+            "name" : "038",
             "data" : [
                [
                   "Perl",
@@ -692,11 +686,11 @@
                   "Blog",
                   12
                ]
-            ],
-            "name" : "038",
-            "id" : "038"
+            ]
          },
          {
+            "name" : "039",
+            "id" : "039",
             "data" : [
                [
                   "Perl",
@@ -710,12 +704,9 @@
                   "Blog",
                   12
                ]
-            ],
-            "name" : "039",
-            "id" : "039"
+            ]
          },
          {
-            "name" : "040",
             "data" : [
                [
                   "Perl",
@@ -730,11 +721,10 @@
                   10
                ]
             ],
-            "id" : "040"
+            "id" : "040",
+            "name" : "040"
          },
          {
-            "id" : "041",
-            "name" : "041",
             "data" : [
                [
                   "Perl",
@@ -748,10 +738,11 @@
                   "Blog",
                   9
                ]
-            ]
+            ],
+            "id" : "041",
+            "name" : "041"
          },
          {
-            "name" : "042",
             "data" : [
                [
                   "Perl",
@@ -766,11 +757,12 @@
                   11
                ]
             ],
-            "id" : "042"
+            "id" : "042",
+            "name" : "042"
          },
          {
-            "id" : "043",
             "name" : "043",
+            "id" : "043",
             "data" : [
                [
                   "Perl",
@@ -801,8 +793,8 @@
                   11
                ]
             ],
-            "name" : "044",
-            "id" : "044"
+            "id" : "044",
+            "name" : "044"
          },
          {
             "id" : "045",
@@ -823,7 +815,6 @@
             ]
          },
          {
-            "id" : "046",
             "data" : [
                [
                   "Perl",
@@ -838,10 +829,10 @@
                   10
                ]
             ],
-            "name" : "046"
+            "name" : "046",
+            "id" : "046"
          },
          {
-            "id" : "047",
             "data" : [
                [
                   "Perl",
@@ -856,9 +847,12 @@
                   10
                ]
             ],
+            "id" : "047",
             "name" : "047"
          },
          {
+            "id" : "048",
+            "name" : "048",
             "data" : [
                [
                   "Perl",
@@ -872,12 +866,9 @@
                   "Blog",
                   12
                ]
-            ],
-            "name" : "048",
-            "id" : "048"
+            ]
          },
          {
-            "id" : "049",
             "data" : [
                [
                   "Perl",
@@ -892,9 +883,11 @@
                   12
                ]
             ],
-            "name" : "049"
+            "name" : "049",
+            "id" : "049"
          },
          {
+            "id" : "050",
             "name" : "050",
             "data" : [
                [
@@ -909,11 +902,9 @@
                   "Blog",
                   12
                ]
-            ],
-            "id" : "050"
+            ]
          },
          {
-            "id" : "051",
             "data" : [
                [
                   "Perl",
@@ -928,10 +919,10 @@
                   11
                ]
             ],
-            "name" : "051"
+            "name" : "051",
+            "id" : "051"
          },
          {
-            "id" : "052",
             "data" : [
                [
                   "Perl",
@@ -946,7 +937,8 @@
                   14
                ]
             ],
-            "name" : "052"
+            "name" : "052",
+            "id" : "052"
          },
          {
             "id" : "053",
@@ -967,6 +959,8 @@
             ]
          },
          {
+            "name" : "054",
+            "id" : "054",
             "data" : [
                [
                   "Perl",
@@ -980,9 +974,7 @@
                   "Blog",
                   18
                ]
-            ],
-            "name" : "054",
-            "id" : "054"
+            ]
          },
          {
             "data" : [
@@ -999,8 +991,8 @@
                   14
                ]
             ],
-            "name" : "055",
-            "id" : "055"
+            "id" : "055",
+            "name" : "055"
          },
          {
             "data" : [
@@ -1017,10 +1009,12 @@
                   17
                ]
             ],
-            "name" : "056",
-            "id" : "056"
+            "id" : "056",
+            "name" : "056"
          },
          {
+            "id" : "057",
+            "name" : "057",
             "data" : [
                [
                   "Perl",
@@ -1034,12 +1028,11 @@
                   "Blog",
                   15
                ]
-            ],
-            "name" : "057",
-            "id" : "057"
+            ]
          },
          {
             "name" : "058",
+            "id" : "058",
             "data" : [
                [
                   "Perl",
@@ -1053,11 +1046,9 @@
                   "Blog",
                   13
                ]
-            ],
-            "id" : "058"
+            ]
          },
          {
-            "id" : "059",
             "data" : [
                [
                   "Perl",
@@ -1072,10 +1063,10 @@
                   16
                ]
             ],
-            "name" : "059"
+            "name" : "059",
+            "id" : "059"
          },
          {
-            "name" : "060",
             "data" : [
                [
                   "Perl",
@@ -1090,6 +1081,7 @@
                   16
                ]
             ],
+            "name" : "060",
             "id" : "060"
          },
          {
@@ -1107,11 +1099,10 @@
                   14
                ]
             ],
-            "name" : "061",
-            "id" : "061"
+            "id" : "061",
+            "name" : "061"
          },
          {
-            "id" : "062",
             "data" : [
                [
                   "Perl",
@@ -1126,9 +1117,11 @@
                   11
                ]
             ],
-            "name" : "062"
+            "name" : "062",
+            "id" : "062"
          },
          {
+            "id" : "063",
             "name" : "063",
             "data" : [
                [
@@ -1143,12 +1136,9 @@
                   "Blog",
                   13
                ]
-            ],
-            "id" : "063"
+            ]
          },
          {
-            "id" : "064",
-            "name" : "064",
             "data" : [
                [
                   "Perl",
@@ -1162,10 +1152,11 @@
                   "Blog",
                   16
                ]
-            ]
+            ],
+            "name" : "064",
+            "id" : "064"
          },
          {
-            "name" : "065",
             "data" : [
                [
                   "Perl",
@@ -1180,9 +1171,11 @@
                   15
                ]
             ],
+            "name" : "065",
             "id" : "065"
          },
          {
+            "id" : "066",
             "name" : "066",
             "data" : [
                [
@@ -1197,10 +1190,11 @@
                   "Blog",
                   14
                ]
-            ],
-            "id" : "066"
+            ]
          },
          {
+            "id" : "067",
+            "name" : "067",
             "data" : [
                [
                   "Perl",
@@ -1214,11 +1208,11 @@
                   "Blog",
                   18
                ]
-            ],
-            "name" : "067",
-            "id" : "067"
+            ]
          },
          {
+            "name" : "068",
+            "id" : "068",
             "data" : [
                [
                   "Perl",
@@ -1232,12 +1226,9 @@
                   "Blog",
                   13
                ]
-            ],
-            "name" : "068",
-            "id" : "068"
+            ]
          },
          {
-            "name" : "069",
             "data" : [
                [
                   "Perl",
@@ -1252,11 +1243,10 @@
                   16
                ]
             ],
-            "id" : "069"
+            "id" : "069",
+            "name" : "069"
          },
          {
-            "id" : "070",
-            "name" : "070",
             "data" : [
                [
                   "Perl",
@@ -1270,11 +1260,13 @@
                   "Blog",
                   17
                ]
-            ]
+            ],
+            "id" : "070",
+            "name" : "070"
          },
          {
-            "id" : "071",
             "name" : "071",
+            "id" : "071",
             "data" : [
                [
                   "Perl",
@@ -1291,6 +1283,7 @@
             ]
          },
          {
+            "id" : "072",
             "name" : "072",
             "data" : [
                [
@@ -1305,12 +1298,11 @@
                   "Blog",
                   19
                ]
-            ],
-            "id" : "072"
+            ]
          },
          {
-            "id" : "073",
             "name" : "073",
+            "id" : "073",
             "data" : [
                [
                   "Perl",
@@ -1327,7 +1319,6 @@
             ]
          },
          {
-            "name" : "074",
             "data" : [
                [
                   "Perl",
@@ -1342,7 +1333,8 @@
                   20
                ]
             ],
-            "id" : "074"
+            "id" : "074",
+            "name" : "074"
          },
          {
             "id" : "075",
@@ -1363,7 +1355,6 @@
             ]
          },
          {
-            "name" : "076",
             "data" : [
                [
                   "Perl",
@@ -1378,6 +1369,7 @@
                   16
                ]
             ],
+            "name" : "076",
             "id" : "076"
          },
          {
@@ -1399,7 +1391,6 @@
             ]
          },
          {
-            "id" : "078",
             "data" : [
                [
                   "Perl",
@@ -1414,10 +1405,10 @@
                   18
                ]
             ],
-            "name" : "078"
+            "name" : "078",
+            "id" : "078"
          },
          {
-            "name" : "079",
             "data" : [
                [
                   "Perl",
@@ -1432,9 +1423,11 @@
                   17
                ]
             ],
+            "name" : "079",
             "id" : "079"
          },
          {
+            "name" : "080",
             "id" : "080",
             "data" : [
                [
@@ -1449,10 +1442,11 @@
                   "Blog",
                   16
                ]
-            ],
-            "name" : "080"
+            ]
          },
          {
+            "name" : "081",
+            "id" : "081",
             "data" : [
                [
                   "Perl",
@@ -1466,9 +1460,7 @@
                   "Blog",
                   15
                ]
-            ],
-            "name" : "081",
-            "id" : "081"
+            ]
          },
          {
             "id" : "082",
@@ -1489,8 +1481,6 @@
             ]
          },
          {
-            "id" : "083",
-            "name" : "083",
             "data" : [
                [
                   "Perl",
@@ -1504,9 +1494,12 @@
                   "Blog",
                   16
                ]
-            ]
+            ],
+            "name" : "083",
+            "id" : "083"
          },
          {
+            "name" : "084",
             "id" : "084",
             "data" : [
                [
@@ -1521,11 +1514,11 @@
                   "Blog",
                   12
                ]
-            ],
-            "name" : "084"
+            ]
          },
          {
             "id" : "085",
+            "name" : "085",
             "data" : [
                [
                   "Perl",
@@ -1539,10 +1532,10 @@
                   "Blog",
                   18
                ]
-            ],
-            "name" : "085"
+            ]
          },
          {
+            "name" : "086",
             "id" : "086",
             "data" : [
                [
@@ -1557,11 +1550,11 @@
                   "Blog",
                   15
                ]
-            ],
-            "name" : "086"
+            ]
          },
          {
             "name" : "087",
+            "id" : "087",
             "data" : [
                [
                   "Perl",
@@ -1575,12 +1568,11 @@
                   "Blog",
                   14
                ]
-            ],
-            "id" : "087"
+            ]
          },
          {
-            "id" : "088",
             "name" : "088",
+            "id" : "088",
             "data" : [
                [
                   "Perl",
@@ -1597,6 +1589,7 @@
             ]
          },
          {
+            "id" : "089",
             "name" : "089",
             "data" : [
                [
@@ -1611,11 +1604,9 @@
                   "Blog",
                   20
                ]
-            ],
-            "id" : "089"
+            ]
          },
          {
-            "id" : "090",
             "data" : [
                [
                   "Perl",
@@ -1630,10 +1621,10 @@
                   17
                ]
             ],
+            "id" : "090",
             "name" : "090"
          },
          {
-            "id" : "091",
             "data" : [
                [
                   "Perl",
@@ -1648,9 +1639,12 @@
                   16
                ]
             ],
+            "id" : "091",
             "name" : "091"
          },
          {
+            "id" : "092",
+            "name" : "092",
             "data" : [
                [
                   "Perl",
@@ -1664,11 +1658,10 @@
                   "Blog",
                   16
                ]
-            ],
-            "name" : "092",
-            "id" : "092"
+            ]
          },
          {
+            "id" : "093",
             "name" : "093",
             "data" : [
                [
@@ -1683,11 +1676,9 @@
                   "Blog",
                   16
                ]
-            ],
-            "id" : "093"
+            ]
          },
          {
-            "id" : "094",
             "data" : [
                [
                   "Perl",
@@ -1702,9 +1693,11 @@
                   17
                ]
             ],
+            "id" : "094",
             "name" : "094"
          },
          {
+            "name" : "095",
             "id" : "095",
             "data" : [
                [
@@ -1719,11 +1712,11 @@
                   "Blog",
                   19
                ]
-            ],
-            "name" : "095"
+            ]
          },
          {
             "name" : "096",
+            "id" : "096",
             "data" : [
                [
                   "Perl",
@@ -1737,11 +1730,9 @@
                   "Blog",
                   19
                ]
-            ],
-            "id" : "096"
+            ]
          },
          {
-            "id" : "097",
             "data" : [
                [
                   "Perl",
@@ -1756,11 +1747,12 @@
                   19
                ]
             ],
+            "id" : "097",
             "name" : "097"
          },
          {
-            "id" : "098",
             "name" : "098",
+            "id" : "098",
             "data" : [
                [
                   "Perl",
@@ -1777,7 +1769,6 @@
             ]
          },
          {
-            "name" : "099",
             "data" : [
                [
                   "Perl",
@@ -1792,10 +1783,12 @@
                   14
                ]
             ],
+            "name" : "099",
             "id" : "099"
          },
          {
             "id" : 100,
+            "name" : 100,
             "data" : [
                [
                   "Perl",
@@ -1809,8 +1802,7 @@
                   "Blog",
                   21
                ]
-            ],
-            "name" : 100
+            ]
          },
          {
             "data" : [
@@ -1827,11 +1819,10 @@
                   13
                ]
             ],
-            "name" : 101,
-            "id" : 101
+            "id" : 101,
+            "name" : 101
          },
          {
-            "id" : 102,
             "data" : [
                [
                   "Perl",
@@ -1846,9 +1837,12 @@
                   15
                ]
             ],
+            "id" : 102,
             "name" : 102
          },
          {
+            "name" : 103,
+            "id" : 103,
             "data" : [
                [
                   "Perl",
@@ -1862,11 +1856,11 @@
                   "Blog",
                   15
                ]
-            ],
-            "name" : 103,
-            "id" : 103
+            ]
          },
          {
+            "id" : 104,
+            "name" : 104,
             "data" : [
                [
                   "Perl",
@@ -1880,12 +1874,11 @@
                   "Blog",
                   14
                ]
-            ],
-            "name" : 104,
-            "id" : 104
+            ]
          },
          {
             "id" : 105,
+            "name" : 105,
             "data" : [
                [
                   "Perl",
@@ -1899,10 +1892,10 @@
                   "Blog",
                   14
                ]
-            ],
-            "name" : 105
+            ]
          },
          {
+            "id" : 106,
             "name" : 106,
             "data" : [
                [
@@ -1917,10 +1910,11 @@
                   "Blog",
                   17
                ]
-            ],
-            "id" : 106
+            ]
          },
          {
+            "name" : 107,
+            "id" : 107,
             "data" : [
                [
                   "Perl",
@@ -1934,11 +1928,11 @@
                   "Blog",
                   19
                ]
-            ],
-            "name" : 107,
-            "id" : 107
+            ]
          },
          {
+            "id" : 108,
+            "name" : 108,
             "data" : [
                [
                   "Perl",
@@ -1952,11 +1946,10 @@
                   "Blog",
                   20
                ]
-            ],
-            "name"