What are the benefits to american's global reach?

// Global Reach

// Demonstrates global variables

#include

<iOStream>

using

namespace std;

int

glob = 10; // global variable

void

access_global();

void

hide_global();

void

change_global();

int

main()

{

cout <<

"In main() glob is: " << glob << "\n\n";

access_global();

hide_global();

cout <<

"In main() glob is: " << glob << "\n\n";

change_global();

cout <<

"In main() glob is: " << glob << "\n\n";

return 0;

}

void

access_global()

{

cout <<

"In access_global() glob is: " << glob << "\n\n";

}

void

hide_global()

{

int glob = 0; // hide global variable glob

cout <<

"In hide_global() glob is: " << glob << "\n\n";

}

void

change_global()

{

glob = -10;

// change global variable glob

cout <<

"In change_global() glob is: " << glob << "\n\n";

}