- Added solutions by Ulrich Rieke.

12 files changed, 1300 insertions, 1136 deletions

diff --git a/challenge-032/ulrich-rieke/cpp/ch-1.cpp b/challenge-032/ulrich-rieke/cpp/ch-1.cpp
new file mode 100644
index 0000000000..39c61373e3
--- /dev/null
+++ b/challenge-032/ulrich-rieke/cpp/ch-1.cpp
@@ -0,0 +1,72 @@
+#include <iostream>
+#include <vector>
+#include <map>
+#include <algorithm>
+#include <utility>
+#include <fstream>
+
+void printStrings( const std::vector<std::string> & strings ) {
+  std::map<std::string, int> frequencies ;
+  int maxlen = 0 ;
+  for ( std::string str : strings ) {
+      frequencies[ str ]++ ;
+      if ( str.length( ) > maxlen )
+    maxlen = str.length( ) ;
+  }
+  std::vector<std::pair<std::string , int>> orderedFreq { frequencies.begin( ),
+      frequencies.end( ) } ;
+  std::sort ( orderedFreq.begin( ) , orderedFreq.end( ) , []( const
+        std::pair<std::string, int> a , const std::pair<std::string, int> b )
+    { return a.second > b.second ; } ) ;
+  std::string answer ;
+  std::cout << "Output as csv : (y)es or (n)o ?\n" ;
+  std::cin >> answer ;
+  if ( answer.substr(0, 1 ) == "n" ) {
+      for ( auto & p : orderedFreq ) {
+    std::cout << p.first ;
+    std::cout.width( maxlen - p.first.length( ) + 1 ) ;
+    std::cout << p.second << std::endl ;
+      }
+  }
+  else {
+      for ( auto & p : orderedFreq ) {
+    std::cout << p.first << ',' << p.second << '\n' ;
+      }
+  }
+}
+
+int main( int argc , char * argv[] ) {
+  std::vector<std::string> argstrings ;
+  std::vector<std::string> argfiles ;
+  for ( int i = 1 ; i < argc ; i++ ) {
+      std::string argument( argv[ i ] ) ;
+      std::ifstream infile ( argument , std::ios::in ) ;
+      if ( infile ) {
+    argfiles.push_back( argument ) ;
+    infile.close( ) ;
+      }
+      else {
+    argstrings.push_back( argument ) ;
+      }
+  }
+  if ( ! argstrings.empty( ) ) {
+      std::cout << "Strings in the argument list:\n" ;
+      printStrings( argstrings ) ;
+  }
+  if ( ! argfiles.empty( ) ) {
+      for ( auto & file : argfiles ) {
+        std::ifstream inputfile( file , std::ios::in ) ;
+    std::vector<std::string> filelines ;
+    std::string line ;
+    std::cout << "Content of file " << file << " by frequency:\n" ;
+    while ( inputfile ) {
+        std::getline( inputfile , line ) ;
+        filelines.push_back( line ) ;
+    }
+    inputfile.close( ) ;
+    printStrings( filelines ) ;
+      }
+  }
+  return 0 ;
+}
+
diff --git a/challenge-032/ulrich-rieke/cpp/ch-2.cpp b/challenge-032/ulrich-rieke/cpp/ch-2.cpp
new file mode 100644
index 0000000000..7d9043ca6c
--- /dev/null
+++ b/challenge-032/ulrich-rieke/cpp/ch-2.cpp
@@ -0,0 +1,92 @@
+#include <iostream>
+#include <string>
+#include <vector>
+#include <utility>
+#include <algorithm>
+#include <cmath>
+#include <map>
+#include <iterator>
+
+using e_type = std::pair<std::string, double> ;
+using e_r_type = std::pair<std::string, int> ;
+
+std::map<std::string, double> enterData( ) {
+  std::map<std::string, double> theData ;
+  std::string item ;
+  std::cout << "Enter items( end to end) : " ;
+  std::cin >> item ;
+  while ( item != "end" ) {
+      double quantity = 0.0 ;
+      std::cout << "enter quantity : " ;
+      std::cin >> quantity ;
+      theData[ item ] = quantity ;
+      std::cout << "Enter items( end to end) : " ;
+      std::cin >> item ;
+  }
+  return theData ;
+}
+
+std::vector<e_r_type> normalizeData( std::map<std::string, double> & dats ) {
+  std::map<std::string, double>::iterator result ;
+  result = std::max_element( dats.begin( ) , dats.end( ) ,
+    []( const e_type & a, const e_type & b ) { return a.second <
+    b.second ; } ) ;
+  double maximum = result->second ;
+  //if the maximum item number is greater than 40, we want to scale the
+  //numbers in order to make rendering easier
+  double scalefactor = 0.0 ;
+  if ( maximum > 40.0 ) {
+      scalefactor = 40.0 / maximum ;
+  }
+  if ( scalefactor != 0.0 ) {
+      std::vector<e_r_type> allRounded ;
+      for ( auto & el : dats ) {
+    el.second *= scalefactor ;
+      }
+  }
+  std::vector<e_r_type> allRounded ;
+  for ( auto & el : dats ) {
+      allRounded.push_back( std::make_pair( el.first ,
+          static_cast<int>( round ( el.second ) ) ) ) ;
+  }
+  return allRounded ;
+}
+
+void generate_bar_graph( std::vector<e_r_type> & myData ) {
+  //in order to "pretty print" the items we want to find out the maximum
+  //length of an item
+  std::string answer ;
+  std::vector<e_r_type>::iterator result ;
+  result = std::max_element( myData.begin( ) , myData.end( ) ,
+    []( const e_r_type & el1, const e_r_type & el2 ) { return
+    el1.first.length( ) < el2.first.length( ) ; } ) ;
+  int maxlen = (result->first).length( ) ;
+  std::cout << "maxlen is " << maxlen << '\n' ;
+  std::cout << "You can order the output by item or by quantity!\n" ;
+  std::cout << "Do you want to order by item ? (y)es or (n)o ?" ;
+  std::cin >> answer ;
+  if (answer.substr( 0, 1 ) == "n" ) {//we order by quantity and have to sort
+      std::sort( myData.begin( ) , myData.end( ) , []( e_r_type & el1 ,
+          e_r_type & el2 ) { return el1.second > el1.second ; } ) ;
+  }
+  else {//we order by item
+      std::sort( myData.begin( ) , myData.end( ) ) ;
+  }
+  for ( const e_r_type & element : myData ) {
+      std::cout << element.first ;
+      std::cout.width( maxlen - element.first.length( ) + 1 ) ;
+      std::cout << "|" ;
+      for ( int i = 0 ; i < element.second ; i++ ) {
+    std::cout << '#' ;
+      }
+      std::cout << std::endl ;
+  }
+}
+
+int main( ) {
+  std::map<std::string, double> theData {enterData( ) } ;
+  std::vector<e_r_type> rounded { normalizeData( theData ) } ;
+  generate_bar_graph( rounded ) ;
+  return 0 ;
+}
+
diff --git a/stats/pwc-current.json b/stats/pwc-current.json
index 5abad70124..93ba9365fc 100644
--- a/stats/pwc-current.json
+++ b/stats/pwc-current.json
@@ -1,20 +1,27 @@
 {
-   "yAxis" : {
-      "title" : {
-         "text" : "Total Solutions"
+   "plotOptions" : {
+      "series" : {
+         "borderWidth" : 0,
+         "dataLabels" : {
+            "format" : "{point.y}",
+            "enabled" : 1
+         }
       }
    },
+   "legend" : {
+      "enabled" : 0
+   },
    "drilldown" : {
       "series" : [
          {
+            "name" : "Andrezgz",
+            "id" : "Andrezgz",
             "data" : [
                [
                   "Perl 5",
                   2
                ]
-            ],
-            "id" : "Andrezgz",
-            "name" : "Andrezgz"
+            ]
          },
          {
             "data" : [
@@ -27,38 +34,38 @@
             "name" : "Dave Cross"
          },
          {
-            "id" : "Dave Jacoby",
             "name" : "Dave Jacoby",
             "data" : [
                [
                   "Perl 5",
                   2
                ]
-            ]
+            ],
+            "id" : "Dave Jacoby"
          },
          {
-            "name" : "Duane Powell",
             "id" : "Duane Powell",
             "data" : [
                [
                   "Perl 5",
                   2
                ]
-            ]
+            ],
+            "name" : "Duane Powell"
          },
          {
             "name" : "E. Choroba",
-            "id" : "E. Choroba",
             "data" : [
                [
                   "Perl 5",
                   2
                ]
-            ]
+            ],
+            "id" : "E. Choroba"
          },
          {
-            "id" : "Fabrizio Poggi",
             "name" : "Fabrizio Poggi",
+            "id" : "Fabrizio Poggi",
             "data" : [
                [
                   "Perl 5",
@@ -67,8 +74,6 @@
             ]
          },
          {
-            "id" : "Javier Luque",
-            "name" : "Javier Luque",
             "data" : [
                [
                   "Perl 5",
@@ -82,9 +87,12 @@
                   "Blog",
                   1
                ]
-            ]
+            ],
+            "id" : "Javier Luque",
+            "name" : "Javier Luque"
          },
          {
+            "name" : "Joelle Maslak",
             "data" : [
                [
                   "Perl 5",
@@ -95,22 +103,21 @@
                   2
                ]
             ],
-            "id" : "Joelle Maslak",
-            "name" : "Joelle Maslak"
+            "id" : "Joelle Maslak"
          },
          {
-            "id" : "Kevin Colyer",
-            "name" : "Kevin Colyer",
             "data" : [
                [
                   "Perl 6",
                   2
                ]
-            ]
+            ],
+            "id" : "Kevin Colyer",
+            "name" : "Kevin Colyer"
          },
          {
-            "id" : "Lars Balker",
             "name" : "Lars Balker",
+            "id" : "Lars Balker",
             "data" : [
                [
                   "Perl 5",
@@ -125,8 +132,8 @@
                   2
                ]
             ],
-            "name" : "Lars Thegler",
-            "id" : "Lars Thegler"
+            "id" : "Lars Thegler",
+            "name" : "Lars Thegler"
          },
          {
             "data" : [
@@ -167,109 +174,89 @@
             "name" : "Nazareno Delucca"
          },
          {
+            "name" : "Prajith P",
             "data" : [
                [
                   "Perl 5",
                   2
                ]
             ],
-            "id" : "Prajith P",
-            "name" : "Prajith P"
+            "id" : "Prajith P"
          },
          {
+            "id" : "Rage311",
             "data" : [
                [
                   "Perl 5",
                   2
                ]
             ],
-            "name" : "Rage311",
-            "id" : "Rage311"
+            "name" : "Rage311"
          },
          {
             "name" : "Roger Bell West",
-            "id" : "Roger Bell West",
             "data" : [
                [
                   "Perl 5",
                   2
                ]
-            ]
+            ],
+            "id" : "Roger Bell West"
          },
          {
+            "name" : "Simon Proctor",
+            "id" : "Simon Proctor",
             "data" : [
                [
                   "Perl 6",
                   2
                ]
-            ],
-            "id" : "Simon Proctor",
-            "name" : "Simon Proctor"
+            ]
          },
          {
+            "name" : "Steven Wilson",
+            "id" : "Steven Wilson",
             "data" : [
                [
                   "Perl 5",
                   2
                ]
-            ],
-            "id" : "Steven Wilson",
-            "name" : "Steven Wilson"
+            ]
          },
          {
-            "name" : "Ulrich Rieke",
-            "id" : "Ulrich Rieke",
             "data" : [
                [
                   "Perl 5",
                   2
                ]
-            ]
+            ],
+            "id" : "Ulrich Rieke",
+            "name" : "Ulrich Rieke"
          },
          {
-            "name" : "Yet Ebreo",
             "id" : "Yet Ebreo",
             "data" : [
                [
                   "Perl 5",
                   2
                ]
-            ]
+            ],
+            "name" : "Yet Ebreo"
          }
       ]
    },
-   "xAxis" : {
-      "type" : "category"
-   },
    "chart" : {
       "type" : "column"
    },
-   "tooltip" : {
-      "headerFormat" : "<span style='font-size:11px'>{series.name}</span><br/>",
-      "followPointer" : 1,
-      "pointFormat" : "<span style='color:{point.color}'>{point.name}</span>: <b>{point.y:f}</b><br/>"
+   "xAxis" : {
+      "type" : "category"
    },
    "title" : {
       "text" : "Perl Weekly Challenge - 032"
    },
-   "legend" : {
-      "enabled" : 0
-   },
-   "plotOptions" : {
-      "series" : {
-         "dataLabels" : {
-            "format" : "{point.y}",
-            "enabled" : 1
-         },
-         "borderWidth" : 0
-      }
-   },
-   "subtitle" : {
-      "text" : "[Champions: 21] Last updated at 2019-11-02 06:55:55 GMT"
-   },
    "series" : [
       {
-         "colorByPoint" : 1,
+         "name" : "Perl Weekly Challenge - 032",
          "data" : [
             {
                "name" : "Andrezgz",
@@ -287,19 +274,19 @@
                "name" : "Dave Jacoby"
             },
             {
-               "y" : 2,
+               "name" : "Duane Powell",
                "drilldown" : "Duane Powell",
-               "name" : "Duane Powell"
+               "y" : 2
             },
             {
-               "y" : 2,
                "drilldown" : "E. Choroba",
+               "y" : 2,
                "name" : "E. Choroba"
             },
             {
-               "name" : "Fabrizio Poggi",
                "y" : 2,
-               "drilldown" : "Fabrizio Poggi"
+               "drilldown" : "Fabrizio Poggi",
+               "name" : "Fabrizio Poggi"
             },
             {
                "name" : "Javier Luque",
@@ -307,19 +294,19 @@
                "y" : 5
             },
             {
-               "name" : "Joelle Maslak",
                "drilldown" : "Joelle Maslak",
-               "y" : 4
+               "y" : 4,
+               "name" : "Joelle Maslak"
             },
             {
-               "name" : "Kevin Colyer",
+               "drilldown" : "Kevin Colyer",
                "y" : 2,
-               "drilldown" : "Kevin Colyer"
+               "name" : "Kevin Colyer"
             },
             {
                "name" : "Lars Balker",
-               "y" : 2,
-               "drilldown" : "Lars Balker"
+               "drilldown" : "Lars Balker",
+               "y" : 2
             },
             {
                "y" : 2,
@@ -332,34 +319,34 @@
                "name" : "Laurent Rosenfeld"
             },
             {
+               "name" : "Markus Holzer",
                "y" : 2,
-               "drilldown" : "Markus Holzer",
-               "name" : "Markus Holzer"
+               "drilldown" : "Markus Holzer"
             },
             {
-               "drilldown" : "Nazareno Delucca",
                "y" : 2,
+               "drilldown" : "Nazareno Delucca",
                "name" : "Nazareno Delucca"
             },
             {
-               "drilldown" : "Prajith P",
                "y" : 2,
+               "drilldown" : "Prajith P",
                "name" : "Prajith P"
             },
             {
                "name" : "Rage311",
-               "drilldown" : "Rage311",
-               "y" : 2
+               "y" : 2,
+               "drilldown" : "Rage311"
             },
             {
-               "y" : 2,
                "drilldown" : "Roger Bell West",
+               "y" : 2,
                "name" : "Roger Bell West"
             },
             {
-               "drilldown" : "Simon Proctor",
+               "name" : "Simon Proctor",
                "y" : 2,
-               "name" : "Simon Proctor"
+               "drilldown" : "Simon Proctor"
             },
             {
                "name" : "Steven Wilson",
@@ -377,7 +364,20 @@
                "drilldown" : "Yet Ebreo"
             }
          ],
-         "name" : "Perl Weekly Challenge - 032"
+         "colorByPoint" : 1
+      }
+   ],
+   "yAxis" : {
+      "title" : {
+         "text" : "Total Solutions"
       }
-   ]
+   },
+   "subtitle" : {
+      "text" : "[Champions: 21] Last updated at 2019-11-02 07:05:17 GMT"
+   },
+   "tooltip" : {
+      "headerFormat" : "<span style='font-size:11px'>{series.name}</span><br/>",
+      "pointFormat" : "<span style='color:{point.color}'>{point.name}</span>: <b>{point.y:f}</b><br/>",
+      "followPointer" : 1
+   }
 }
diff --git a/stats/pwc-language-breakdown-summary.json b/stats/pwc-language-breakdown-summary.json
index d4c9d14aac..b8951dec14 100644
--- a/stats/pwc-language-breakdown-summary.json
+++ b/stats/pwc-language-breakdown-summary.json
@@ -1,20 +1,26 @@
 {
-   "tooltip" : {
-      "pointFormat" : "<b>{point.y:.0f}</b>"
+   "xAxis" : {
+      "type" : "category",
+      "labels" : {
+         "style" : {
+            "fontFamily" : "Verdana, sans-serif",
+            "fontSize" : "13px"
+         }
+      }
    },
    "series" : [
       {
          "dataLabels" : {
+            "rotation" : -90,
+            "format" : "{point.y:.0f}",
             "align" : "right",
-            "color" : "#FFFFFF",
-            "y" : 10,
+            "enabled" : "true",
             "style" : {
-               "fontFamily" : "Verdana, sans-serif",
-               "fontSize" : "13px"
+               "fontSize" : "13px",
+               "fontFamily" : "Verdana, sans-serif"
             },
-            "enabled" : "true",
-            "rotation" : -90,
-            "format" : "{point.y:.0f}"
+            "y" : 10,
+            "color" : "#FFFFFF"
          },
          "name" : "Contributions",
          "data" : [
@@ -36,28 +42,22 @@
    "legend" : {
       "enabled" : "false"
    },
-   "subtitle" : {
-      "text" : "Last updated at 2019-11-02 06:56:10 GMT"
+   "tooltip" : {
+      "pointFormat" : "<b>{point.y:.0f}</b>"
    },
-   "chart" : {
-      "type" : "column"
+   "title" : {
+      "text" : "Perl Weekly Challenge Contributions - 2019"
    },
    "yAxis" : {
-      "min" : 0,
       "title" : {
          "text" : null
-      }
+      },
+      "min" : 0
    },
-   "xAxis" : {
-      "type" : "category",
-      "labels" : {
-         "style" : {
-            "fontSize" : "13px",
-            "fontFamily" : "Verdana, sans-serif"
-         }
-      }
+   "chart" : {
+      "type" : "column"
    },
-   "title" : {
-      "text" : "Perl Weekly Challenge Contributions - 2019"
+   "subtitle" : {
+      "text" : "Last updated at 2019-11-02 07:05:29 GMT"
    }
 }
diff --git a/stats/pwc-language-breakdown.json b/stats/pwc-language-breakdown.json
index 8ac5593195..4738690728 100644
--- a/stats/pwc-language-breakdown.json
+++ b/stats/pwc-language-breakdown.json
@@ -1,208 +1,19 @@
 {
-   "legend" : {
-      "enabled" : "false"
-   },
    "chart" : {
       "type" : "column"
    },
-   "subtitle" : {
-      "text" : "Click the columns to drilldown the language breakdown. Last updated at 2019-11-02 06:56:10 GMT"
-   },
-   "plotOptions" : {
-      "series" : {
-         "dataLabels" : {
-            "format" : "{point.y}",
-            "enabled" : 1
-         },
-         "borderWidth" : 0
-      }
-   },
-   "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/>"
-   },
-   "series" : [
-      {
-         "data" : [
-            {
-               "drilldown" : "001",
-               "y" : 132,
-               "name" : "#001"
-            },
-            {
-               "name" : "#002",
-               "y" : 104,
-               "drilldown" : "002"
-            },
-            {
-               "drilldown" : "003",
-               "name" : "#003",
-               "y" : 67
-            },
-            {
-               "name" : "#004",
-               "y" : 86,
-               "drilldown" : "004"
-            },
-            {
-               "name" : "#005",
-               "y" : 66,
-               "drilldown" : "005"
-            },
-            {
-               "drilldown" : "006",
-               "name" : "#006",
-               "y" : 48
-            },
-            {
-               "drilldown" : "007",
-               "y" : 56,
-               "name" : "#007"
-            },
-            {
-               "drilldown" : "008",
-               "name" : "#008",
-               "y" : 70
-            },
-            {
-               "y" : 68,
-               "name" : "#009",
-               "drilldown" : "009"
-            },
-            {
-               "drilldown" : "010",
-               "name" : "#010",
-               "y" : 60
-            },
-            {
-               "name" : "#011",
-               "y" : 78,
-               "drilldown" : "011"
-            },
-            {
-               "y" : 83,
-               "name" : "#012",
-               "drilldown" : "012"
-            },
-            {
-               "name" : "#013",
-               "y" : 76,
-               "drilldown" : "013"
-            },
-            {
-               "drilldown" : "014",
-               "y" : 96,
-               "name" : "#014"
-            },
-            {
-               "y" : 93,
-               "name" : "#015",
-               "drilldown" : "015"
-            },
-            {
-               "drilldown" : "016",
-               "y" : 66,
-               "name" : "#016"
-            },
-            {
-               "drilldown" : "017",
-               "y" : 79,
-               "name" : "#017"
-            },
-            {
-               "y" : 76,
-               "name" : "#018",
-               "drilldown" : "018"
-            },
-            {
-               "name" : "#019",
-               "y" : 95,
-               "drilldown" : "019"
-            },
-            {
-               "name" : "#020",
-               "y" : 95,
-               "drilldown" : "020"
-            },
-            {
-               "drilldown" : "021",
-               "name" : "#021",
-               "y" : 67
-            },
-            {
-               "y" : 63,
-               "name" : "#022",
-               "drilldown" : "022"
-            },
-            {
-               "name" : "#023",
-               "y" : 91,
-               "drilldown" : "023"
-            },
-            {
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@@ -216,11 +27,11 @@
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@@ -234,11 +45,12 @@
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@@ -255,6 +67,7 @@
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@@ -359,12 +171,12 @@
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@@ -522,10 +333,10 @@
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@@ -540,9 +351,11 @@
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@@ -557,11 +370,10 @@
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