/*
   testsel5.cpp
   CIS 150
   6/5/2008
   David Klick
  
   Demonstration of conditional (?:) operator.
   Calculates the maximum value three different ways.
*/

#include <iostream>
using std::cout;
using std::cin;

void cont();

int main(void) {
   // Note: Although style rules often demand that each variable
   // be declared on a separate line, C++ actually allows multiple
   // declarations per line.
   int x, y;
   int max1, max2, max3;
   
   // Note: Multiple assignments can be done at the same time.
   // The assignments are done right-to-left
   x = y = max1 = max2 = max3 = 0;
   
   // get two integers from user
   cout << "Enter two integers: ";
   cin >> x >> y;
   
   // first way
   //   - use simple if/else to get max value
   if (x > y) {
      max1 = x;
   } else {
      max1 = y;
   }
   
   // second way
   //   - assume x is max value, then check to see if y is bigger    
   max2 = x;
   if (y > max2) {
      max2 = y;
   }
   
   // third way
   //   - use conditional operator
   max3 = x>y ? x : y;
   
   cout << "The maximum value is " << max1 << '\n';
   cout << "The maximum value is " << max2 << '\n';
   cout << "The maximum value is " << max3 << '\n';

   cont();
   return 0;
}

void cont() {
   if (cin.rdbuf()->sungetc() != -1 && cin.get() != '\n') cin.ignore(80,'\n');
   cout << "Press enter to continue...";
   cin.get();
}