#include <iostream>
using namespace std;


// Author:   Chikashi KIMURA  
// Date:     09/Jul/03
// Course:   CompSci 6
// Section:
// Purpose:  To practice using functions with parameters and
//           to practice using the input operator, cin.


void addTime (int min1, int sec1, int min2, int sec2)
// pre:  min1 and min2 are integers between 0 and 59, inclusive
//       sec1 and sec2 are integers between 0 and 59, inclusive
// ost: the sum of the times is printed to the screen
{
    int secSum, minSum, hrSum;
    int addsec, addmin;

    addsec = sec1 + sec2;
    addmin = min1 + min2;

    secSum = (addsec) % 60;
    minSum = (addmin + (addsec) / 60) % 60;
    hrSum  = (addmin + (addsec) / 60) / 60;

    cout << "The sum of the times is "
	 << hrSum << ":" << minSum << ":" << secSum 
	 << endl;
}

void addDistance (int feet1, int inches1, int feet2, int inches2)
{
    int inchesSum, feetSum, milesSum;
    int addInches, addFeet;

    addInches = inches1 + inches2;
    addFeet = feet1 + feet2;

    inchesSum = (addInches) % 12;
    feetSum = (addFeet + (addInches / 12)) % 5729;
    milesSum = (addFeet + (addInches) / 12) / 5729;

    cout << "The sum of the distance is "
	 << milesSum << "miles and " << feetSum << "feet and " << inchesSum << "inches "
	 << endl;
}

void addMoney (int shillings1, int pence1, int shillings2, int pence2)
{
    int penceSum, shillingsSum, poundsSum;
    int addPence, addShillings;

    addPence = pence1 + pence2;
    addShillings = shillings1 + shillings2;

    penceSum = (addPence) % 12;
    shillingsSum = (addShillings + (addPence / 12)) % 20;
    poundsSum = (addShillings + (addPence) / 12) / 20;

    cout << "The sum of the distance is "
	 << poundsSum << "pounds and " << shillingsSum << "shillings and " << penceSum << "pence "
	 << endl;
}

void testAddTime ()

{
    cout << endl << endl;

    cout << "empty case (0min0sec + 0min0sec)" << endl;
    addTime(0, 0, 0, 0);
    cout << "The sum of the times *should be* 0:0:0" << endl;
    cout << endl;

    cout << "standard case (30min50sec + 25min20sec)" << endl;
    addTime(30, 50, 25, 20);
    cout << "The sum of the times *should be* 0:56:10" << endl;
    cout << endl;

    cout << "overflow case" << endl;
    addTime(30, 50, 45, 20);
    cout << "The sum of the times *should be* 1:16:10" << endl;
    cout << endl;

    cout << "boundary case" << endl;
    addTime(30, 50, 29, 10);
    cout << "The sum of the times *should be* 1:0:0" << endl;
    cout << endl;

    cout << "standard case" << endl;
    addTime(0, 30, 0, 6);
    cout << "The sum of the times *should be* 0:0:36" << endl;
    cout << endl;
    
    cout << "overflow case" << endl;
    addTime(0, 30, 0, 36);
    cout << "The sum of the times *should be* 0:1:6" << endl;
    cout << endl;

    cout << "boundary case" << endl;
    addTime(0, 50, 0, 10);
    cout << "The sum of the times *should be* 0:1:0" << endl;
    cout << endl;
}


void testAddDistance()

{
    cout << "empty case (0feet0inch + 0feet0inch)" << endl;
    addDistance(0, 0, 0, 0);
    cout << "The sum of the times *should be* 0mile and 0feet and 0inch" << endl;
    cout << endl;

    cout << "standard case (5feet6inch + 14feet10inch)" << endl;
    addDistance(5, 6, 14, 10);
    cout << "The sum of the times *should be* 0mile and 20feet and 4inch" << endl;
    cout << endl;

    cout << "overflow case (3000feet10inch + 6000feet11inch)" << endl;
    addDistance(3000, 10, 6000, 11);
    cout << "The sum of the times *should be* 1mile and 3722feet and 9inch" << endl;
    cout << endl;

    cout << "boundary case (1486feet10inch + 3792feet2inch)" << endl;
    addDistance(1486, 10, 3792, 2);
    cout << "The sum of the times *should be* 1mile and 0feet and 0inch" << endl;
    cout << endl;
}
    
void testAddMoney()

{
    cout << "empty case (0shillings0pence + 0shillings0pence)" << endl;
    addMoney(0, 0, 0, 0);
    cout << "The sum of the times *should be* 0pound and 0shillings and 0pence" << endl;
    cout << endl;

    cout << "standard case (4shillings5pence + 3shillings2pence)" << endl;
    addMoney(4, 5, 3, 2);
    cout << "The sum of the times *should be* 0pound and 7shillings and 7pence" << endl;
    cout << endl;

    cout << "overflow case (13shillings10pence + 19shillings9pence)" << endl;
    addMoney(13, 10, 19, 9);
    cout << "The sum of the times *should be* 1pound and 13shillings and 7pence" << endl;
    cout << endl;

    cout << "boundary case (10shillings10pence + 9shillings2pence)" << endl;
    addMoney(10, 10, 9, 2);
    cout << "The sum of the times *should be* 1pound and 0shillings and 0pence" << endl;
    cout << endl;
}

int main ()
{
    int minutes1, seconds1;
    int minutes2, seconds2;
    int feet1, inches1;
    int feet2, inches2;
    int shillings1, pence1;
    int shillings2, pence2;

    cout << "Enter first time [minutes seconds]:  ";
    cin  >> minutes1 >> seconds1;
    cout << "Enter second time [minutes seconds]: ";
    cin  >> minutes2 >> seconds2;

    cout << "Enter first distance [feet inches]:  ";
    cin  >> feet1 >> inches1;
    cout << "Enter second distance [feet inches]: ";
    cin  >> feet2 >> inches2;

    cout << "Enter first money [shillings pence]:  ";
    cin  >> shillings1 >> pence1;
    cout << "Enter second money [shillings pence]: ";
    cin  >> shillings2 >> pence2;

    addTime(minutes1, seconds1, minutes2, seconds2);
    addDistance(feet1, inches1, feet2, inches2);
    addMoney(shillings1, pence1, shillings2, pence2);

    testAddTime();
    testAddDistance();
    testAddMoney();

    return 0;
}