fig03_03.cpp

// fig03_03.cpp
// Analysis of examination results using nested control statements.
#include <iostream>
using namespace std;

int main() {
   // initializing variables in declarations
   int passes{0}; 
   int failures{0};
   int studentCounter{1}; 

   // 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): ";
      int result;
      cin >> result;

      // if...else is nested in the while statement           
      if (result == 1) {         
         passes = passes + 1;  
      }
      else {    
         failures = failures + 1; 
      }

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

   // termination phase; prepare and display results
   cout << "Passed: " << passes << "\nFailed: " << failures << "\n";

   // determine whether more than 8 students passed
   if (passes > 8) {
      cout << "Bonus to instructor!\n";
   }
} 

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