Determine the scope of each identifier. #include <iostream> #include <cmath> #in

Question

Determine the scope of each identifier.

#include <iostream>
#include <cmath>
#include <iomanip>

using namespace std;

void traceMe(double x, double y);

int main()
{
double one, two;

cout << "Enter two numbers: ";
cin >> one >> two;
cout << endl;

traceMe(one, two);
traceMe(two, one);

return 0;
}
void traceMe(double x, double y)
{
double z;

if (x != 0)
z = sqrt(y) / x;
else
{
cout << "Enter a nonzero number: ";
cin >> x;
cout << endl;
z = floor(pow(y, x));
}
cout << fixed << showpoint << setprecision(2);
cout << x << ", << y << ", " << z << endl;
}

Explanation / Answer

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#include <iostream>
#include <cmath>
#include <iomanip>

using namespace std;

void traceMe(double x, double y);

int main()
{
double one, two;                                one, two scope goes from here

cout << "Enter two numbers: ";
cin >> one >> two;
cout << endl;

traceMe(one, two);
traceMe(two, one);

return 0;                                                   to here
}
void traceMe(double x, double y)           x and y start here
{
double z;                                               z starts here

if (x != 0)
z = sqrt(y) / x;
else
{
cout << "Enter a nonzero number: ";
cin >> x;
cout << endl;
z = floor(pow(y, x));
}
cout << fixed << showpoint << setprecision(2);
cout << x << ", << y << ", " << z << endl;
}                                                                        x and y end here    z ends here

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