#include <iostream>
#include <iomanip>
using std::cout;
using std::endl;
using std::setfill;
using std::setw;
int main() {
unsigned long red = 0XFF0000UL; // Color red
unsigned long white = 0XFFFFFFUL; // Color white - RGB all maximum
cout << std::hex; // Set hexadecimal output format
cout << setfill('0'); // Set fill character for output
unsigned long mask = red ^ white;
cout << "\n mask = red white = " << setw(8) << mask;
cout << "\n mask red = " << setw(8) << (mask ^ red);
cout << "\n mask white = " << setw(8) << (mask ^ white);
return 0;
}
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