// Fig. 2.11: fig02_11.cpp
// Analysis of examination results.
#include <iostream>
     
using std::cout;
using std::cin;
using std::endl;
     
// function main begins program execution
int main()
{
  // initialize 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
    
  // 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;
    
    // if result 1, increment passes; if/else nested in while
    if ( result == 1 )        // if/else nested in while
      passes = passes + 1;                             
                                                              
    else  // if result not 1, increment failures        
      failures = failures + 1;                         
    
    // increment studentCounter so loop eventually terminates
    studentCounter = studentCounter + 1; 
          
  } // end while
    
  // termination phase; display number of passes and failures
  cout << "Passed " << passes << endl;  
  cout << "Failed " << failures << endl;
    
  // if more than eight students passed, print "raise tuition"
  if ( passes > 8 )
    cout << "Raise tuition " << endl; 
    
  return 0;   // successful termination
    
} // end function main