- Added solutions by Eric Cheung.

- Added solutions by Ulrich Rieke.
- Added solutions by Mark Anderson.
- Added solutions by Feng Chang.
- Added solutions by E. Choroba.
- Added solutions by Niels van Dijke.
- Added solutions by Andreas Mahnke.
- Added solutions by Luca Ferrari.
- Added solutions by Andrew Shitov.
- Added solutions by Ali Moradi.
- Added solutions by W. Luis Mochan.
- Added solutions by David Ferrone.
- Added solutions by Conor Hoekstra.
- Added solutions by Peter Meszaros.
- Added solutions by Robert Ransbottom.
- Added solutions by Peter Campbell Smith.
- Added solutions by Robbie Hatley.

1 files changed, 38 insertions, 0 deletions

diff --git a/challenge-321/ulrich-rieke/cpp/ch-1.cpp b/challenge-321/ulrich-rieke/cpp/ch-1.cpp
new file mode 100755
index 0000000000..6dc8d9402b
--- /dev/null
+++ b/challenge-321/ulrich-rieke/cpp/ch-1.cpp
@@ -0,0 +1,38 @@
+#include <vector>

+#include <iostream>

+#include <sstream>

+#include <string>

+#include <numeric>

+#include <set>

+

+std::vector<std::string> split( const std::string & text , char delimiter ) {

+   std::vector<std::string> tokens ;

+   std::string word ;

+   std::istringstream istr { text } ;

+   while ( std::getline( istr , word , delimiter ) ) 

+      tokens.push_back( word ) ;

+   return tokens ;

+}

+

+int main( ) {

+   std::cout << "Enter some numbers , their total number must be even!\n" ;

+   std::string line ;

+   std::getline( std::cin , line ) ;

+   auto tokens { split( line , ' ' ) } ;

+   std::vector<double> numbers ;

+   for ( auto s : tokens ) 

+      numbers.push_back( std::stod( s ) ) ;

+   std::set<double> averages ;

+   while ( numbers.size( ) > 0 ) {

+      auto maxpos = std::max_element( numbers.begin( ) , numbers.end( ) ) ;

+      auto maxi = *maxpos ;

+      numbers.erase( maxpos ) ;

+      auto minpos = std::min_element( numbers.begin( ) , numbers.end( ) ) ;

+      auto mini = *minpos ;

+      numbers.erase( minpos ) ;

+      double average = ( maxi + mini ) / 2.0 ;

+      averages.insert( average ) ;

+   }

+   std::cout << averages.size( ) << '\n' ;

+   return 0 ;

+}