#include <iostream>
#include <cstdlib>
#include <string>
using namespace std;

int main()
{
	const unsigned char sun {1 << 0};
	const unsigned char mon {1 << 1};
	const unsigned char tue {1 << 2};
	const unsigned char wed {1 << 3};
	const unsigned char thu {1 << 4};
	const unsigned char fri {1 << 5};
	const unsigned char sat {1 << 6};

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

	const restaurant a[] {
		{"Zoro's 3 Style Bar", sun | mon | tue},
		{"Franky's SUPER BBQ", thu | fri | sat | sun},
		{"Goku's Buffet", sun | mon | tue | wed | thu | fri | sat},
		{"Gojo's Cafe", mon | tue | wed},
		{"Naruto Ramen", thu | fri | sun},

		// Added restaurants for testing
		{"My Door Is Closed Cafe", 0},                     // never open
		{"The Weeknd Grill", sat | sun},
		{"Weekday Bistro", mon | tue | wed | thu | fri},
		{"Friday Night Bar", fri}
	};

	const size_t n {size(a)};

	const string dayname[] {
		"Sunday",
		"Monday",
		"Tuesday",
		"Wednesday",
		"Thursday",
		"Friday",
		"Saturday"
	};

	// Set test day here (0–6)
	const int day {5};   // change number to test different days

	cout << "Test day is " << dayname[day] << ".\n";
	cout << "The following restaurants are open:\n";

	for (size_t i {0}; i < n; ++i) {
		if (a[i].days & (1 << day)) {
			cout << a[i].name << "\n";
		}
	}

	return EXIT_SUCCESS;
}