From 33613a85afc4b1481367fbe92a17ee59c240250b Mon Sep 17 00:00:00 2001
From: Sven Eisenhauer <sven@sven-eisenhauer.net>
Date: Fri, 10 Nov 2023 15:11:48 +0100
Subject: add new repo

---
 Bachelor/Prog1/examples/ch02/Fig02_09.cpp | 76 +++++++++++++++++++++++++++++++
 1 file changed, 76 insertions(+)
 create mode 100644 Bachelor/Prog1/examples/ch02/Fig02_09.cpp

(limited to 'Bachelor/Prog1/examples/ch02/Fig02_09.cpp')

diff --git a/Bachelor/Prog1/examples/ch02/Fig02_09.cpp b/Bachelor/Prog1/examples/ch02/Fig02_09.cpp
new file mode 100644
index 0000000..a0c1065
--- /dev/null
+++ b/Bachelor/Prog1/examples/ch02/Fig02_09.cpp
@@ -0,0 +1,76 @@
+// Fig. 2.9: fig02_09.cpp
+// Class average program with sentinel-controlled repetition.
+#include <iostream>
+
+using std::cout;
+using std::cin;
+using std::endl;
+using std::fixed;        
+
+#include <iomanip>        // parameterized stream manipulators
+
+using std::setprecision;  // sets numeric output precision
+
+// function main begins program execution
+int main()
+{
+   int total;         // sum of grades
+   int gradeCounter;  // number of grades entered
+   int grade;         // grade value
+
+   double average;    // number with decimal point for average
+
+   // initialization phase
+   total = 0;         // initialize total
+   gradeCounter = 0;  // initialize loop counter
+
+   // processing phase
+   // get first grade from user
+   cout << "Enter grade, -1 to end: ";  // prompt for input
+   cin >> grade;                        // read grade from user
+
+   // loop until sentinel value read from user
+   while ( grade != -1 ) {                  
+      total = total + grade;            // add grade to total
+      gradeCounter = gradeCounter + 1;  // increment counter
+      
+      cout << "Enter grade, -1 to end: ";  // prompt for input
+      cin >> grade;                        // read next grade
+
+   } // end while
+
+   // termination phase
+   // if user entered at least one grade ...
+   if ( gradeCounter != 0 ) {
+      
+      // calculate average of all grades entered
+      average = static_cast< double >( total ) / gradeCounter;
+      
+      // display average with two digits of precision
+      cout << "Class average is " << setprecision( 2 )
+           << fixed << average << endl;
+
+   } // end if part of if/else
+
+   else // if no grades were entered, output appropriate message
+      cout << "No grades were entered" << endl;
+
+   return 0;   // indicate program ended successfully
+
+} // end function main
+
+
+/**************************************************************************
+ * (C) Copyright 1992-2003 by Deitel & Associates, Inc. and Prentice      *
+ * Hall. All Rights Reserved.                                             *
+ *                                                                        *
+ * DISCLAIMER: The authors and publisher of this book have used their     *
+ * best efforts in preparing the book. These efforts include the          *
+ * development, research, and testing of the theories and programs        *
+ * to determine their effectiveness. The authors and publisher make       *
+ * no warranty of any kind, expressed or implied, with regard to these    *
+ * programs or to the documentation contained in these books. The authors *
+ * and publisher shall not be liable in any event for incidental or       *
+ * consequential damages in connection with, or arising out of, the       *
+ * furnishing, performance, or use of these programs.                     *
+ *************************************************************************/
-- 
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