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/*
Date: 20 Feb 2019
Name: Matthew Strapp
Student ID number: 5449340
Course number: EE1301
Term: Spring 2019
Lab/assignment number: Homework 2B
Short Program Description: Time Travel Calculator
*/
//15
#include <iostream>
using namespace std;
int main () {
bool change12=0, foo=0; //Workaround to prevent unneeded if statements
char Time, travel; //"time" is reserved by C++, "Time" is not
int hourOG, hourChange, hourNew, intervalChange=0, timeChange=1;
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 >> hourChange >> travel;
for (int i=hourChange; i>=0; i--) {
if (i!=0){
intervalChange++;
} do {
if (travel=='B' && hourOG-intervalChange<0){
if (hourChange<12) {
intervalChange-=12;
} else {
intervalChange=12-intervalChange;
if (intervalChange>=13) {
intervalChange-=12;
}
}
timeChange++;
}
} while (intervalChange>12);
if (intervalChange>=12) {
//if (intervalChange !=12) {i
intervalChange=0;
timeChange++;
//change12=1;
}
}
/* if (hourOG+hourChange>=12 || hourOG-hourChange<=0) {
if (hourOG!=0 ^ hourOG!=12) {
hourOG-=12;
}
if (hourChange>12) {
do {
hourChange-=12;
timeChange+=1;
} while (hourChange >=11);
}
change12=1;
}
*/
for (timeChange; timeChange>1; timeChange--) {
//if (change12) {
if (Time=='A') {
Time+=15;
foo=true;
}
if (Time=='P' && !foo) {
Time-=15;
}
foo=0;
//}
}
if (travel=='F') {
hourNew=hourOG+intervalChange;
}
if (travel=='B'){
hourNew=hourOG+intervalChange;
}
//Deprecated, doesn't work
//hourNew=hourOG+intervalChange;
cout << "The new time is: " << hourNew << " " << Time << "M" << endl;
return 0;
}
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