程序清单3.3 hexoct.cpp

// hexoct.cpp -- show hex and octal literals

#include <iostream>

int main()
{
    using namespace std;

    int chest = 42;
    int waist = 0x42;
    int inseam = 042;

    cout << "Monsieur cuts a striking figure!\n";
    cout << "chest = " << chest << " (42 in decimal)\n";
    cout << "waist = " << waist << " (0x42 in hex)\n";
    cout << "inseam = " << inseam << " (042 in octal)\n";

    return 0;
}

输出：

Monsieur cuts a striking figure!
chest = 42 (42 in decimal)
waist = 66 (0x42 in hex)
inseam = 34 (042 in octal)