6.25

/* 6.25 Calculating Number of Minutes
   Deitel & Deitel C++ How to Program, 10th ed (Indian subcontinent adaptation)
   Visual Studio Community 2019
*/

#include <iostream>
#include <cstdlib>
using namespace std;

int minutesSinceStartofMonth(int days, int hours, int minutes) {
    int minutesSinceStart{ 0 };
    // value for days is actually (days - 1) FULL days where hours and minutes make up the PARTIAL day
    minutesSinceStart = (days-1) * 24 * 60 + hours * 60 + minutes;
    return minutesSinceStart;
}

int main(void) {
    int days1, days2, hours1, hours2, minutes1, minutes2, total1, total2, difference;
    cout << "Enter the day of the month for 1st day in question: ";
    cin >> days1;
    cout << "Enter number of hours of this day: ";
    cin >> hours1;
    cout << "Enter number of minutes of this day: ";
    cin >> minutes1;
    cout << "Enter the day of the month for 2nd day in question: ";
    cin >> days2;
    cout << "Enter number of hours of this day: ";
    cin >> hours2;
    cout << "Enter number of minutes of this day: ";
    cin >> minutes2;

    total1 = minutesSinceStartofMonth(days1, hours1, minutes1);
    total2 = minutesSinceStartofMonth(days2, hours2, minutes2);
    difference = abs(total1 - total2);
    cout << "The difference between the two dates is: " << difference << " minutes" << endl;
    return 0;
}