analysis.cpp

里面有很多关于编程的实用例子

// Fig. 4.13: Analysis.cpp
// Member-function definitions for class Analysis that 
// analyzes examination results.
#include <iostream>
using std::cout;
using std::cin;
using std::endl;

// include definition of class Analysis from Analysis.h
#include "Analysis.h" 

// process the examination results of 10 students
void Analysis::processExamResults()
{
   // initializing variables in declarations 
   int passes = 0; // number of passes       
   int failures = 0; // number of failures   
   int studentCounter = 1; // student counter
   int result; // one exam result (1 = pass, 2 = fail)

   // process 10 students using counter-controlled loop
   while ( studentCounter <= 10 ) 
   {
      // prompt user for input and obtain value from user
      cout << "Enter result (1 = pass, 2 = fail): ";
      cin >> result; // input result

      // if...else nested in while                           
      if ( result == 1 )          // if result is 1,         
         passes = passes + 1;     // increment passes;       
      else                        // else result is not 1, so
         failures = failures + 1; // increment failures      

      // increment studentCounter so loop eventually terminates
      studentCounter = studentCounter + 1; 
   } // end while 

   // termination phase; display number of passes and failures
   cout << "Passed " << passes << "\nFailed " << failures << endl;

   // determine whether more than eight students passed
   if ( passes > 8 )
      cout << "Raise tuition " << endl; 
} // end function processExamResults

/**************************************************************************
 * (C) Copyright 1992-2009 by Deitel & Associates, Inc. and               *
 * Pearson Education, Inc. 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.                     *
 **************************************************************************/