#include <iostream>
#include <cstdlib>
#include <string>   //for class string

using namespace std;

int countBits(unsigned char x)
{
    int count = 0;

    for (int i = 0; i < 8; i++) {
        if (x & 1)
            count++;
        x >>= 1;
    }

    return count;
}

struct restaurant {
    string name;
    unsigned char daysopen;
};

int main()
{
	const char sun {1 << 0};   //00000001
	const char mon {1 << 1};   //00000010
	const char tue {1 << 2};   //00000100
	const char wed {1 << 3};   //00001000
	const char thu {1 << 4};   //00010000
	const char fri {1 << 5};   //00100000
	const char sat {1 << 6};   //01000000

	struct restaurant {
		string name;
		unsigned char days;   //which days of the week the restaurant is open
	};

	const restaurant a[] {
		{"Katz's Delicatessen", sun | mon | tue},            //00000111 0x07
		{"Tavern on the Green", sat | sun},                  //01000001 0x41
		{"Wo Hop", sun | mon | tue | wed | thu | fri | sat}, //01111111 0x7F
		{"Luchow's",            mon | tue | wed},            //00001110 0x0E
		{"Delmonico's",         thu | fri | sun}             //00110001 0x31
	};

	const size_t n {size(a)};   //how many restaurants
	
	const auto now {chrono::system_clock::now()};
	const int day {p->tm_wday}; //0 = Sunday, 1 = Monday, ... 6 = Saturday

	const string dayname[] {		"Sunday",    //0
		"Monday",    //1
		"Tuesday",   //2
		"Wednesday", //3
		"Thursday",  //4
		"Friday",    //5
		"Saturday"   //6
	};

for (int i = 0; i < n; ++i) {
    cout << a[i].name;
    int padding = 25 - static_cast<int>(a[i].name.length());
    for (int j = 0; j < padding; ++j)
        cout << " ";
    cout << countBits(a[i].days) << "\n";


return EXIT_SUCCESS