1 files changed, 64 insertions, 0 deletions
diff --git a/challenge-221/ulrich-rieke/cpp/ch-1.cpp b/challenge-221/ulrich-rieke/cpp/ch-1.cpp
new file mode 100644
index 0000000000..71caaed73c
--- /dev/null
+++ b/challenge-221/ulrich-rieke/cpp/ch-1.cpp
@@ -0,0 +1,64 @@
+#include <iostream>
+#include <string>
+#include <vector>
+#include <map>
+#include <algorithm>
+#include <numeric>
+
+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 condition( const std::string & word , const std::map<char, int> &
+      provided ) {
+  std::map<char , int> lettercount ;
+  for ( char c : word )
+      lettercount[c]++ ;
+  for ( char c : word ) {
+      if ( ! ( provided.find( c ) != provided.end( ) &&
+          (provided.find( c ))->second >=
+          (lettercount.find( c ) )->second ) )
+        return false ;
+  }
+  return true ;
+}
+
+
+int main( ) {
+  std::cout << "Enter some words, separated by blanks!\n" ;
+  std::string line ;
+  std::getline( std::cin , line ) ;
+  std::vector<std::string> words ( split( line, " " ) ) ;
+  std::cout << "Enter a word to take the characters from!\n" ;
+  std::string comparator ;
+  std::cin >> comparator ;
+  std::map<char , int> compCount ;
+  for ( char c : comparator )
+      compCount[c]++ ;
+  std::vector<std::string> selected ;
+  for ( auto s : words ) {
+      if ( condition( s , compCount ) ) {
+    selected.push_back( s ) ;
+      }
+  }
+  if ( selected.size( ) > 0 ) {
+      std::vector<int> lengths  ;
+      for ( auto s : selected )
+    lengths.push_back( s.length( ) ) ;
+      std::cout << std::accumulate( lengths.begin( ) , lengths.end( ) , 0 )
+    << std::endl ;
+  }
+  else {
+      std::cout << 0 << std::endl ;
+  }
+  return 0 ;
+}