C++ output type question

Q.  C++: Trace the output

void execute (int x, int y = 200)
{
Int temp = x + y;

x +=temp;
if (y!= 200)
cout << temp << ”  ” << x << ”  ” << y << ”  ” << endl;
}
void main ( )
{

int a = 50, b = 20;
execute (b);
cout << a << ”  ” << b << ”  ” << endl;
execute (a, b);
}

- Published on 19 Oct 15

a.
2202050
50 20
b.
50 20
70 120 20
c. 20 200
d. None of the above.

ANSWER:
50 20
70 120 20

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