#include <iostream> using namespace std; enum days_of_week { Sun, Mon, Tue, Wed, Thu, Fri, Sat }; int main() { days_of_week day1, day2; day1 = Mon; day2 = Thu; int diff = day2 - day1; cout << "Days between = " << diff << endl; if(day1 < day2) cout << "day1 comes before day2\n"; return 0; }