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| author | Sven Eisenhauer <sven@sven-eisenhauer.net> | 2023-11-10 15:11:48 +0100 |
|---|---|---|
| committer | Sven Eisenhauer <sven@sven-eisenhauer.net> | 2023-11-10 15:11:48 +0100 |
| commit | 33613a85afc4b1481367fbe92a17ee59c240250b (patch) | |
| tree | 670b842326116b376b505ec2263878912fca97e2 /Bachelor/Prog1/examples/ch03/Fig03_08.cpp | |
| download | Studium-33613a85afc4b1481367fbe92a17ee59c240250b.tar.gz Studium-33613a85afc4b1481367fbe92a17ee59c240250b.tar.bz2 | |
Diffstat (limited to 'Bachelor/Prog1/examples/ch03/Fig03_08.cpp')
| -rw-r--r-- | Bachelor/Prog1/examples/ch03/Fig03_08.cpp | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/Bachelor/Prog1/examples/ch03/Fig03_08.cpp b/Bachelor/Prog1/examples/ch03/Fig03_08.cpp new file mode 100644 index 0000000..8bb489e --- /dev/null +++ b/Bachelor/Prog1/examples/ch03/Fig03_08.cpp @@ -0,0 +1,89 @@ +// Fig. 3.8: fig03_08.cpp
+// Roll a six-sided die 6000 times.
+#include <iostream>
+
+using std::cout;
+using std::endl;
+
+#include <iomanip>
+
+using std::setw;
+
+#include <cstdlib> // contains function prototype for rand
+
+int main()
+{
+ int frequency1 = 0;
+ int frequency2 = 0;
+ int frequency3 = 0;
+ int frequency4 = 0;
+ int frequency5 = 0;
+ int frequency6 = 0;
+ int face; // represents one roll of the die
+
+ // loop 6000 times and summarize results
+ for ( int roll = 1; roll <= 6000; roll++ ) {
+ face = 1 + rand() % 6; // random number from 1 to 6
+
+ // determine face value and increment appropriate counter
+ switch ( face ) {
+
+ case 1: // rolled 1
+ ++frequency1;
+ break;
+
+ case 2: // rolled 2
+ ++frequency2;
+ break;
+
+ case 3: // rolled 3
+ ++frequency3;
+ break;
+
+ case 4: // rolled 4
+ ++frequency4;
+ break;
+
+ case 5: // rolled 5
+ ++frequency5;
+ break;
+
+ case 6: // rolled 6
+ ++frequency6;
+ break;
+
+ default: // invalid value
+ cout << "Program should never get here!";
+
+ } // end switch
+
+ } // end for
+
+ // display results in tabular format
+ cout << "Face" << setw( 13 ) << "Frequency"
+ << "\n 1" << setw( 13 ) << frequency1
+ << "\n 2" << setw( 13 ) << frequency2
+ << "\n 3" << setw( 13 ) << frequency3
+ << "\n 4" << setw( 13 ) << frequency4
+ << "\n 5" << setw( 13 ) << frequency5
+ << "\n 6" << setw( 13 ) << frequency6 << endl;
+
+ return 0; // indicates successful termination
+
+} // end 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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