Practice how to use switch in C++

C++ Online Editor

#include <iostream>
#include <ctime> // for time related operations
using namespace std; // use std namespace to avoid std:: before cout


int main() {
    
    time_t currentTime = time(nullptr);
    struct tm* timeInfo = localtime(&currentTime); // using tm structure

    if (timeInfo == nullptr) {
        cerr << "Error getting local time." << endl;
        return 1;
    }


    int dayOfWeek = timeInfo->tm_wday; // 0 = Sunday, 1 = Monday, ..., 6 = Saturday

    switch (dayOfWeek) {
        case 0:
            cout << "Today is Sunday." << endl;
            break;
        case 1:
            cout << "Today is Monday." << endl;
            break;
        case 2:
            cout << "Today is Tuesday." << endl;
            break;
        case 3:
            cout << "Today is Wednesday." << endl;
            break;
        case 4:
            cout << "Today is Thursday." << endl;
            break;
        case 5:
            cout << "Today is Friday." << endl;
            break;
        case 6:
            cout << "Today is Saturday." << endl;
            break;
        default:
            cout << "It is not the name of a day." << endl;
            break;
    }

    return 0;
}