1 files changed, 35 insertions, 0 deletions
diff --git a/challenge-254/ulrich-rieke/cpp/ch-2.cpp b/challenge-254/ulrich-rieke/cpp/ch-2.cpp
new file mode 100755
index 0000000000..ed81183edd
--- /dev/null
+++ b/challenge-254/ulrich-rieke/cpp/ch-2.cpp
@@ -0,0 +1,35 @@
+#include <iostream>
+#include <string>
+#include <cctype>
+#include <list>
+#include <algorithm>
+
+int main( ) {
+   std::cout << "Please enter a word!\n" ;
+   std::string word ;
+   std::cin >> word ;
+   std::string vowels {"aeiouAEIOU"} ;
+   std::list<char> vowels_contained ;
+   for ( int i = 0 ; i < word.length( ) ; i++ ) {
+      if ( vowels.find( word.substr( i , 1 ) ) != std::string::npos ) 
+	 vowels_contained.push_back( word[ i ] ) ;
+   }
+   std::string changed ;
+   for ( auto c : word ) {
+      if ( vowels.find( c ) != std::string::npos ) {
+	 char next_one = vowels_contained.back( ) ;
+	 if ( changed.empty( ) ) {
+	    changed.push_back( toupper( next_one ) ) ;
+	 }
+	 else {
+	    changed.push_back( tolower( next_one ) ) ;
+	 }
+	 vowels_contained.pop_back( ) ;
+      }
+      else {
+	 changed.push_back( c ) ;
+      }
+   }
+   std::cout << changed << '\n' ;
+   return 0 ;
+}