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/*
20 Feb 2019
Matthew Strapp
5449340
EE1301
Spring 2019
Homework 2B
Time Travel Calculator
*/
#include <iostream>
using namespace std;
int main()
{
bool foo = 0, bar = false; //Workaround to prevent unneeded if statements
char Time, travel; //"time" is reserved by C++, "Time" is not
int hourOG, hourChange, hourNew, intervalChange = 0, timeChange = 0;
cout << "Enter current time (A for AM, P for PM): ";
cin >> hourOG >> Time;
cout << "How many hours forward or backward do you want to move the clock (F for forwards, B for backward): ";
cin >> travel >> hourChange;
for (int i = hourChange; i >= 0; i--)
{
if (i != 0)
{
intervalChange++;
}
if (travel == 'F')
{
if (hourOG + hourChange >= 12)
{
if (hourOG + hourChange == 12)
{
timeChange++;
}
else //This else statement is a complete hackjob. It works consistently though.
{
int temp = (hourOG + hourChange) - 12;
bar=true;
while (temp>12) {
temp-=12;
timeChange++;
}
hourNew=temp;
}
}
timeChange++;
}
if (travel == 'B')
{
if (hourOG - hourChange <= 0)
{
int temp = (hourOG - hourChange) + 12;
bar=true;
while (temp>12) {
temp-=12;
timeChange++;
}
if (hourChange<=24) {
hourNew=temp;
} else {
for (int k=(hourChange%24); k>0; k--) {
hourNew=temp+12;
}
}
}
timeChange++;
}
if (intervalChange >= 12)
{
intervalChange = 0;
timeChange++;
}
}
for (timeChange; timeChange > 1; timeChange--)
{
if (Time == 'A')
{
Time += 15; //15 is the difference in the ASCII table between 'A' and 'P'
}
else
{
if (Time == 'P')
{
Time -= 15;
}
}
}
if (travel == 'F' && !bar)
{
hourNew = hourOG + intervalChange;
}
if (travel == 'B' && !bar)
{
hourNew = hourOG - intervalChange;
}
cout << "The new time is: " << hourNew << " " << Time << "M" << endl;
return 0;
}
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