// CS 1621 Fall 2005
// Example of inconsistent / unpredictable expression evaluation in C++
// Run this program in Unixs and then on another platform and see if the
// output is the same.  Try to figure out why the output is at it is on
// Unixs.

#include <iostream>
using namespace std;
int main()
{
     unsigned int i1 = 0, i2, i3, i4, i5, j, k, m1, m2, m3, m4, m5;
     j = i1++;   k = ++i1;
     cout << j << " " << k << endl;
     i5 = i4 = i3 = i2 = i1;
     m1 = i1++ + i1++ + i1++;
     m2 = i2++ + ++i2 + i2++;
     m3 = i3++ + ++i3 + ++i3;
     m4 = ++i4 + i4++ + ++i4;
     m5 = ++i5 + ++i5 + ++i5;
     cout << i1 << " " << m1 << endl;
     cout << i2 << " " << m2 << endl;
     cout << i3 << " " << m3 << endl;
     cout << i4 << " " << m4 << endl;
     cout << i5 << " " << m5 << endl;

     int w = 0;
     cout << w++ << " " << w++ << " " << w++ << endl;
     w = 0;
     cout << ++w << " " << ++w << " " << ++w << endl;
}