2 files changed, 112 insertions, 0 deletions
diff --git a/challenge-289/ulrich-rieke/cpp/ch-1.cpp b/challenge-289/ulrich-rieke/cpp/ch-1.cpp
new file mode 100755
index 0000000000..0bdc6ca2ed
--- /dev/null
+++ b/challenge-289/ulrich-rieke/cpp/ch-1.cpp
@@ -0,0 +1,48 @@
+#include <iostream>
+#include <string>
+#include <vector>
+#include <sstream>
+#include <set> 
+#include <algorithm>
+
+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 integers, separated by blanks!\n" ;
+   std::string line ;
+   std::getline( std::cin , line ) ;
+   auto tokens { split( line , ' ' ) } ;
+   std::vector<int> numbers ;
+   for ( auto w : tokens ) {
+      numbers.push_back( std::stoi( w ) ) ;
+   }
+   if ( numbers.size( ) < 3 ) 
+      std::cout << *std::max_element( numbers.begin( ) , numbers.end( ) ) << 
+	 '\n' ;
+   else {
+      std::set<int> uniques { numbers.begin( ) , numbers.end( ) } ;
+      std::vector<int> for_sorting { uniques.begin( ) , uniques.end( ) } ;
+      if ( for_sorting.size( ) < 3 ) {
+	 std::cout << *std::max_element( for_sorting.begin( ) , for_sorting.end( ) ) 
+	    << '\n' ;
+      }
+      else {
+	 std::sort( for_sorting.begin( ) , for_sorting.end( ) , []( int a , int b) {
+	       return a > b ; } ) ;
+	 std::cout << *(for_sorting.begin( ) + 2 ) << '\n' ;
+      }
+   }
+   return 0 ;
+}
+	 
+      
+   
+
+
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 ;
+}
+
+
+