1 files changed, 22 insertions, 0 deletions
diff --git a/challenge-190/ulrich-rieke/cpp/ch-1.cpp b/challenge-190/ulrich-rieke/cpp/ch-1.cpp
new file mode 100644
index 0000000000..c013223bfe
--- /dev/null
+++ b/challenge-190/ulrich-rieke/cpp/ch-1.cpp
@@ -0,0 +1,22 @@
+#include <iostream>
+#include <string>
+#include <cctype>
+#include <algorithm>
+
+int main( ) {
+  std::cout << "Please enter a word!\n" ;
+  std::string line ;
+  std::cin >> line ;
+  if ( (std::isupper( static_cast<int>( line[0] )) &&
+    std::all_of( line.begin( ) + 1 , line.end( ) , []( char c )
+      {return std::islower( static_cast<int>( c )) ; } )) ||
+    std::all_of( line.begin( ) , line.end( ) , []( char c )
+        { return std::isupper( static_cast<int>( c )) ; }) ||
+    std::all_of( line.begin( ) , line.end( ) , []( char c )
+        { return std::islower( static_cast<int>( c )) ; }) )
+    std::cout << 1 ;
+  else
+      std::cout << 0 ;
+  std::cout << std::endl ;
+  return 0 ;
+}