- Added solutions by Ulrich Rieke.

- Added solutions by Paulo Custodio.
- Added solutions by David Ferrone.
- Added solutions by Thomas Kohler.
- Added solutions by Torgny Lyon.

1 files changed, 64 insertions, 0 deletions

diff --git a/challenge-289/ulrich-rieke/cpp/ch-2.cpp b/challenge-289/ulrich-rieke/cpp/ch-2.cpp
new file mode 100755
index 0000000000..b03c0abd30
--- /dev/null
+++ b/challenge-289/ulrich-rieke/cpp/ch-2.cpp
@@ -0,0 +1,64 @@
+#include <vector>

+#include <string>

+#include <random>

+#include <iostream> 

+#include <sstream>

+#include <algorithm>

+

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

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

+   std::istringstream istr { text } ;

+   std::string word ;

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

+      tokens.push_back( word ) ;

+   }

+   return tokens ;

+}

+

+std::string do_shuffle( const std::string & word ) {

+   std::random_device rd ;

+   std::mt19937 g ( rd( ) ) ;

+   std::string central { word.substr( 1 , word.length( ) - 2 ) } ;

+   std::string output { word.substr( 0 , 1 ) } ;

+   std::shuffle( central.begin( ) , central.end( ) , g ) ;

+   output = output + central ;

+   output.push_back( word.back( ) ) ;

+   return output ;

+}

+

+int main( ) {

+   std::cout << "Enter some sentences, <return> to end!\n" ;

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

+   std::string line ;

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

+   while ( ! line.empty( ) ) {

+      block.push_back( line ) ;

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

+   }

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

+   for ( auto aLine : block ) {

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

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

+      for ( auto w : tokens ) {

+	 if ( w.length( ) <= 3 ) {

+	    shuffled_line.push_back( w ) ;

+	 }

+	 else {

+	    shuffled_line.push_back( do_shuffle( w ) ) ;

+	 }

+      }

+      std::string changed ;

+      for ( auto w : shuffled_line ) {

+	 changed = changed + w + " " ;

+      }

+      changed.pop_back( ) ;

+      shuffled.push_back( changed ) ;

+   }

+   for ( auto w : shuffled ) {

+      std::cout << w << '\n' ;

+   }

+   return 0 ;

+}

+

+

+