1 files changed, 28 insertions, 0 deletions
diff --git a/challenge-153/ulrich-rieke/cpp/ch-1.cpp b/challenge-153/ulrich-rieke/cpp/ch-1.cpp
new file mode 100644
index 0000000000..990ee9c29a
--- /dev/null
+++ b/challenge-153/ulrich-rieke/cpp/ch-1.cpp
@@ -0,0 +1,28 @@
+#include <iostream>
+
+int factorial( int num ) {
+  if ( num == 0 ) {
+      return 1 ;
+  }
+  else {
+      int fac = 1 ;
+      for ( int i = 1 ; i < num + 1 ; i++ )
+    fac *= i ;
+      return fac ;
+  }
+}
+
+int leftFactorial( int n ) {
+  int sum = 0 ;
+  for ( int i = 0 ; i < n + 1 ; i++ )
+      sum += factorial( i ) ;
+  return sum ;
+}
+
+int main( ) {
+  for ( int i = 0 ; i < 10 ; i++ ) {
+      std::cout << leftFactorial( i ) << " " ;
+  }
+  std::cout << std::endl ;
+  return 0 ;
+}