- Added solutions by Robbie Hatley.

- Added solutions by Ulrich Rieke.

1 files changed, 39 insertions, 0 deletions

diff --git a/challenge-251/ulrich-rieke/cpp/ch-1.cpp b/challenge-251/ulrich-rieke/cpp/ch-1.cpp
new file mode 100755
index 0000000000..75c7efe2e4
--- /dev/null
+++ b/challenge-251/ulrich-rieke/cpp/ch-1.cpp
@@ -0,0 +1,39 @@
+#include <iostream>

+#include <list>

+#include <string>

+

+std::list<std::string> split( const std::string & startline ,

+      const std::string & sep ) {

+   std::list<std::string> separated ;

+   std::string::size_type start { 0 } ;

+   std::string::size_type pos ;

+   do {

+      pos = startline.find_first_of( sep , start ) ;

+      separated.push_back( startline.substr(start , pos - start )) ;

+      start = pos + 1 ;

+   } while ( pos != std::string::npos ) ;

+   return separated ;

+}

+

+int main( ) {

+   std::cout << "Enter some integers, separated by blanks!\n" ;

+   std::string line ;

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

+   std::list<std::string> numberlist { split( line , " " ) } ;

+   int sum = 0 ;

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

+      if ( numberlist.size( ) > 1 ) {

+	 std::string concatenated { numberlist.front( ).append( 

+	       numberlist.back( )) } ;

+	 sum += std::stoi( concatenated ) ;

+	 numberlist.pop_front( ) ;

+	 numberlist.pop_back( ) ;

+      }

+      else {

+	 sum += std::stoi( numberlist.front( ) ) ;

+	 numberlist.pop_front( ) ;

+      }

+   }

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

+   return 0 ;

+}