1 files changed, 53 insertions, 0 deletions
diff --git a/challenge-207/ulrich-rieke/cpp/ch-1.cpp b/challenge-207/ulrich-rieke/cpp/ch-1.cpp
new file mode 100644
index 0000000000..90af3e4821
--- /dev/null
+++ b/challenge-207/ulrich-rieke/cpp/ch-1.cpp
@@ -0,0 +1,53 @@
+#include <iostream>
+#include <string>
+#include <vector>
+#include <algorithm>
+#include <cctype>
+#include <iterator>
+
+std::vector<std::string> split( const std::string & startline ,
+      const std::string & sep ) {
+  std::vector<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 ;
+}
+
+bool myCondition( std::string word ) {
+  static std::string row1 ( "qwertyuiop" ) ;
+  static std::string row2 ( "asdfghjkl" ) ;
+  static std::string row3 ( "zxcvbnm" ) ;
+  std::transform( word.begin( ) , word.end( ) , word.begin( ) , tolower ) ;
+  return std::all_of( word.begin( ), word.end( ) , []( char c ) {return row1.find(c) !=
+    std::string::npos ; } ) || std::all_of( word.begin( ) , word.end( ) ,
+        []( char c ){ return row2.find( c ) != std::string::npos ; } )
+        || all_of( word.begin( ) , word.end( ) , []( char c ) { return
+          row3.find( c ) != std::string::npos ; } ) ;
+}
+
+int main( ) {
+  std::cout << "Please enter some words, separated by blanks!\n" ;
+  std::string line ;
+  std::getline( std::cin , line ) ;
+  std::vector<std::string> words ( split ( line , " " ) ) ;
+  std::vector<std::string> output ;
+  for ( auto & st : words ) {
+      if ( myCondition( st ) )
+    output.push_back( st ) ;
+  }
+  if ( output.size( ) > 0 ) {
+      std::cout << "(" ;
+      std::copy( output.begin( ) , output.end( ) , std::ostream_iterator<std::string>(
+          std::cout , " " )) ;
+      std::cout << ")\n" ;
+  }
+  else {
+      std::cout << "()\n" ;
+  }
+  return 0 ;
+}