Complete C++ Programming Notes with Practice Questions and Semester Project

#include <iostream>

#include <fstream>

#include <cmath>

#include <iomanip>

#include <map>

#include <string>



using namespace std;



// Base class for Emergency Units

class Unit {

protected:

string unitID;

string status;

int x, y;

double speed; // Speed of the unit (units per time)

public:

Unit(string id, int x, int y, double spd) : unitID(id), x(x), y(y), speed(spd), status("Available") {}

virtual void respondToEmergency() = 0;

double getDistance(int ex, int ey) {

return sqrt(pow(x - ex, 2) + pow(y - ey, 2));

}

bool isAvailable() { return status == "Available"; }

void markBusy() { status = "Busy"; }

void markAvailable() { status = "Available"; }

string getID() const { return unitID; }

, virtual void displayInfo() const = 0;

virtual string getUnitType() const = 0;

double estimatedTime(int ex, int ey) {

return getDistance(ex, ey) / speed; // Time = Distance / Speed

}

friend ostream& operator<<(ostream& os, const Unit& u);

};



ostream& operator<<(ostream& os, const Unit& u) {

os << "Unit ID: " << u.unitID << ", Status: " << u.status;

return os;

}



class Police : public Unit {

public:

Police(string id, int x, int y, double spd) : Unit(id, x, y, spd) {}

void respondToEmergency() override {

cout << "\033[1;34mPolice Unit " << unitID << " dispatched.\033[0m\n";

markBusy();

}

void displayInfo() const override {

cout << "\033[1;34mPolice - " << *this << "\033[0m" << endl;

}

string getUnitType() const override {

return "Police";

}