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Cpp Programming Quiz 203 – What will be the output of the following program?

Question: What will be the output of the following program?

#include
class Base
{
public:
char S, A, M;
Base(char x, char y)
{
S = y - y;
A = x + x;
M = x * x;
}
Base(char, char y = 'A', char z = 'B')
{
S = y;
A = y + 1 - 1;
M = z - 1;
}
void Display(void)
{
cout<< S << " " << A << " " << M << endl; } }; class Derived : public Base { char x, y, z; public: Derived(char xx = 65, char yy = 66, char zz = 65): Base(x) { x = xx; y = yy; z = zz; } void Display(int n) { if(n) Base::Display(); else cout<< x << " " << y << " " << z << endl; } }; int main() { Derived objDev; objDev.Display(0-1); return 0; }

[A].A A A
[B].A B A
[C].A B C
[D].Garbage Garbage Garbage 

Answer: Option A