[w3] Solved exercises 5-7

1 files changed, 96 insertions, 0 deletions

diff --git a/week03/Exercise5.cpp b/week03/Exercise5.cpp
new file mode 100644
index 0000000..28721a4
--- /dev/null
+++ b/week03/Exercise5.cpp
@@ -0,0 +1,96 @@
+#include <cstring>
+
+struct Car {
+private:
+	char* model;
+	unsigned int doors;
+	unsigned int seats;
+
+public:
+	Car() {
+		model = nullptr;
+		doors = 0;
+		seats = 0;
+	}
+	Car(const char* model, unsigned int doors, unsigned int seats) {
+		this->model = nullptr;
+		setModel(model);
+		setDoors(doors);
+		setSeats(seats);
+	}
+	~Car() {
+		delete[] model;
+	}
+
+	const char* getModel() {
+		return model;
+	}
+	void setModel(const char* newModel) {
+		delete[] model;
+		model = new char[strlen(newModel) + 1];
+		strcpy(model, newModel);
+	}
+
+	unsigned int getDoors() {
+		return doors;
+	}
+	void setDoors(unsigned int newDoorsCount) {
+		doors = newDoorsCount;
+	}
+
+	unsigned int getSeats() {
+		return seats;
+	}
+	void setSeats(unsigned int newSeatsCount) {
+		seats = newSeatsCount;
+	}
+
+	void CopyDataTo(Car& destination) {
+		destination.setModel(model);
+		destination.setDoors(doors);
+		destination.setSeats(seats);
+	}
+};
+
+struct TrafficJam {
+private:
+	Car* cars;
+	int size;
+	int lastIndex;
+
+	void resize() {
+		Car* newCars = new Car[size * 2];
+		for (int i = 0; i < size; i++) {
+			cars[i].CopyDataTo(newCars[i]);
+		}
+		delete[] cars;
+		cars = newCars;
+		size *= 2;
+	}
+
+public:
+	TrafficJam() {
+		size = 3;
+		cars = new Car[size];
+		lastIndex = 0;
+	}
+	~TrafficJam() {
+		delete[] cars;
+	}
+
+	void AddCar(Car& car) {
+		if (lastIndex == size)
+			resize();
+		car.CopyDataTo(cars[lastIndex++]);
+	}
+};
+
+int main() {
+	TrafficJam tj;
+
+	Car c1("Toyota", 4, 5);
+	Car c2("Ferarri", 2, 2);
+
+	tj.AddCar(c1);
+	tj.AddCar(c2);
+}