Example: C program of decision making by using the switch case statement

// C program of decision making by using the switch case statement
#include <stdio.h>

int main() {
    int w;

    printf("Enter the week number among 1 to 7\n");
    scanf("%d", &w);
    
    if (w) {
        switch (w) {
            case 1:
                printf("Hi\nIt's sunday on today, It's the week-off day.\n");
                break;
            case 2:
                printf("Hi\nIt's monday on today, It's the working day.\n");
                break;
            case 3:
                printf("Hi\nIt's tuesday on today, It's the working day.\n");
                break;
            case 4:
                printf("Hi\nIt's wednesday on today, It's the working day.\n");
                break;
            case 5:
                printf("Hi\nIt's thursday on today, It's the working day.\n");
                break;
            case 6:
                printf("Hi\nIt's friday on today, It's the working day.\n");
                break;
            case 7:
                printf("Hi\nIt's saturday on today, It's the week-off day.\n");
                break;
    
            // w parameter doesn't match any case constant then It navigates to default:
            default:
                printf("Sorry, You entered the wrong week number, Kindly try again\n");
        }
    } else {
        printf("Sorry didn't entered any week number!\n");
    }

    return 0;
}