From 33613a85afc4b1481367fbe92a17ee59c240250b Mon Sep 17 00:00:00 2001 From: Sven Eisenhauer Date: Fri, 10 Nov 2023 15:11:48 +0100 Subject: add new repo --- Bachelor/Prog1/examples/ch03/Fig03_08.cpp | 89 +++++++++++++++++++++++++++++++ 1 file changed, 89 insertions(+) create mode 100644 Bachelor/Prog1/examples/ch03/Fig03_08.cpp (limited to 'Bachelor/Prog1/examples/ch03/Fig03_08.cpp') 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 + +using std::cout; +using std::endl; + +#include + +using std::setw; + +#include // 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. * + *************************************************************************/ -- cgit v1.2.3