1 files changed, 36 insertions, 0 deletions
diff --git a/challenge-280/ulrich-rieke/cpp/ch-2.cpp b/challenge-280/ulrich-rieke/cpp/ch-2.cpp
new file mode 100755
index 0000000000..d228e4ce60
--- /dev/null
+++ b/challenge-280/ulrich-rieke/cpp/ch-2.cpp
@@ -0,0 +1,36 @@
+#include <iostream>
+#include <string>
+#include <algorithm>
+
+int main( ) {
+   std::cout << "Enter a string with some vertical bars!\n" ;
+   std::string line ;
+   std::cin >> line ;
+   if ( std::count( line.begin( ) , line.end( ) , '|' ) <= 1 ) {
+      std::cout << std::count( line.begin( ) , line.end( ) , '*' ) << 
+	 '\n' ;
+   }
+   else {
+      bool barSeen = false ;
+      std::string filtered ;
+      for ( int i = 0 ; i < line.length( ) ; i++ ) {
+	 char c = line[i] ;
+	 if ( c != '|' ) 
+	    filtered.append( 1, c ) ;
+	 else {
+	    if ( barSeen ) {
+	       auto pos = filtered.find( '|' ) ;
+	       filtered = filtered.substr( 0 , pos ) ;
+	       barSeen = false ;
+	    }
+	    else {
+	       filtered.append( 1 , '|' ) ;
+	       barSeen = true ;
+	    }
+	 }
+      }
+      std::cout << std::count( filtered.begin( ) , filtered.end( ) , 
+	    '*' ) << '\n' ;
+   }
+   return 0 ;
+}