Question

Make an abstract class Number that allows the rest of the code to work correctly. printDoubled should be able to take either an Int or a Double and print out twice its value.

#include <iostream>
using namespace std;

//Do not modify anything on or above the line below this
//YOUR_CODE_BELOW
//YOUR_CODE

//YOUR_CODE_ABOVE
//Do not modify anything on or below the line above this

void printDoubled(const Number& n) {
cout << n.getValue() * 2 << endl;
}

class Int : public Number {
private:
int value;
public:
Int(int i) { value = i; }
double getValue() const { return value; }

};

class Double : public Number {
private:
double value;
public:
Double(double d) { value = d; }
double getValue() const { return value; }
};

int main()
{
Int n1(2);
Double n2(1.5);

printDoubled(n1);
printDoubled(n2);
}

Answer 1

#include <iostream>
using namespace std;

//Do not modify anything on or above the line below this
//YOUR_CODE_BELOW
    //YOUR_CODE
class Number {
public:
   virtual double getValue() const = 0;
};

//YOUR_CODE_ABOVE
//Do not modify anything on or below the line above this

void printDoubled(const Number& n) {
    cout << n.getValue() * 2 << endl;
}

class Int : public Number {
private:
    int value;
public:
    Int(int i) { value = i; }
    double getValue() const { return value; }

};

class Double : public Number {
private:
    double value;
public:
    Double(double d) { value = d; }
    double getValue() const { return value; }
};

int main()
{
    Int n1(2);
    Double n2(1.5);

    printDoubled(n1);
    printDoubled(n2);
}

4 Process exited after 0.1313 seconds with returnvalue 0 Press any key to continue - - -

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