feat(Week04): Add solutions

2 files changed, 131 insertions, 0 deletions

diff --git a/Week04/Exercise01/Train.cpp b/Week04/Exercise01/Train.cpp
new file mode 100644
index 0000000..5ff2db1
--- /dev/null
+++ b/Week04/Exercise01/Train.cpp
@@ -0,0 +1,24 @@
+#include "Train.h"
+#include <iostream>
+
+void Train::ArriveAtStation(unsigned passengersGettingOff, unsigned passengersGettingOn) {
+	if (passengersGettingOff > passengersOnBoard)
+		passengersOnBoard = 0;
+	else
+		passengersOnBoard -= passengersGettingOff;
+
+	passengersOnBoard += passengersGettingOn;
+	earnings += passengersGettingOn * ticketPrice;
+
+	passedStops++;
+	upcomingStops--;
+}
+
+void Train::Print() {
+	std::cout << "Carriages: " << carriages << ' '
+		<< "Seats: " << passengersOnBoard << '/' << seatsAvailable << ' '
+		<< "Stops: " << passedStops << " < " << upcomingStops << ' '
+		<< "Ticket: " << ticketPrice << ' '
+		<< "Earnings: " << earnings
+		<< std::endl;
+}
diff --git a/Week04/Exercise01/Train.h b/Week04/Exercise01/Train.h
new file mode 100644
index 0000000..88322a2
--- /dev/null
+++ b/Week04/Exercise01/Train.h
@@ -0,0 +1,107 @@
+#ifndef _TRAIN
+#define _TRAIN
+
+class Train {
+	unsigned carriages;
+	unsigned seatsAvailable;
+	unsigned passengersOnBoard;
+	unsigned passedStops;
+	unsigned upcomingStops;
+	double ticketPrice;
+	double earnings;
+
+	// Излишно, но е добре да следваме "шаблона"
+	void free() {}
+	void copyFrom(const Train& other) {
+		carriages = other.carriages;
+		seatsAvailable = other.seatsAvailable;
+		passengersOnBoard = other.passengersOnBoard;
+		passedStops = other.passedStops;
+		upcomingStops = other.upcomingStops;
+		ticketPrice = other.ticketPrice;
+		earnings = other.earnings;
+	}
+
+public:
+	// "Шаблон" за голямата четворка
+	Train() {
+		carriages = seatsAvailable = passengersOnBoard = passedStops = upcomingStops = ticketPrice = earnings = 0;
+	}
+	~Train() {
+		free();
+	}
+	Train(const Train& other) {
+		copyFrom(other);
+	}
+	Train& operator=(const Train& other) {
+		if (this != &other) {
+			free();
+			copyFrom(other);
+		}
+		return *this;
+	}
+
+	Train(unsigned carriages, unsigned seatsAvailable, unsigned upcomingStops, double ticketPrice) {
+		this->carriages = carriages;
+		this->seatsAvailable = seatsAvailable;
+		this->passengersOnBoard = 0;
+		this->passedStops = 0.0;
+		this->upcomingStops = upcomingStops;
+		this->ticketPrice = ticketPrice;
+		this->earnings = 0.0;
+	}
+
+	void ArriveAtStation(unsigned passengersGettingOff, unsigned passengersGettingOn);
+	void Print();
+
+	unsigned GetCarriages() {
+		return carriages;
+	}
+	void SetCarriages(unsigned carriages) {
+		this->carriages = carriages;
+	}
+
+	unsigned GetSeatsAvailable() {
+		return seatsAvailable;
+	}
+	void SetSeatsAvailable(unsigned seatsAvailable) {
+		this->seatsAvailable = seatsAvailable;
+	}
+
+	unsigned GetPassengersOnBoard() {
+		return passengersOnBoard;
+	}
+	void SetPassengersOnBoard(unsigned passengersOnBoard) {
+		this->passengersOnBoard = passengersOnBoard;
+	}
+
+	unsigned GetPassedStops() {
+		return passedStops;
+	}
+	void SetPassedStops(unsigned passedStops) {
+		this->passedStops = passedStops;
+	}
+
+	unsigned GetUpcomingStops() {
+		return upcomingStops;
+	}
+	void SetUpcomingStops(unsigned upcomingStops) {
+		this->upcomingStops = upcomingStops;
+	}
+
+	double GetTicketPrice() {
+		return ticketPrice;
+	}
+	void SetTicketPrice(double ticketPrice) {
+		this->ticketPrice = ticketPrice;
+	}
+
+	double GetEarnings() {
+		return earnings;
+	}
+	void SetEarnings(double earnings) {
+		this->earnings = earnings;
+	}
+};
+
+#endif /* _TRAIN */