/* Esempo tipo bool */
#include <iostream>

using namespace std;
int main()
{
    bool b;      // variabile booleana
    b = true;
    if (b)
        cout << "vero" << endl;
    else
        cout << "falso" << endl;

    b = !b;     // negazione
    if (b)
        cout << "vero" << endl;
    else
        cout << "falso" << endl;

    cout << "In realta' il valore di b e' " << b << endl;
    b = 1;      // equivale a b= true;
    if (b)
        cout << "vero" << endl;
    else
        cout << "falso" << endl;

}