Programing In C#,C++ and C language

Know How To Programming in C++

This is not a real program int is an example.....

/*Program to accept an integer in the range of 1 to 7 (both Inclusive) From Console and to display the corresponding day (Monday for 1, Tueasday
for 2, Wednesday for 3, and so on).
If the entered number is out of range, the program displays a message saying that*/
#include<stdio.h>
#include<conio.h>

void main()
{
#define Windows
#define MON printf ("\n Entered number is 1 hence day is MONDAY");
#define TUE printf ("\n Entered number is 1 hence day is TUESDAY");
#define WED printf ("\n Entered number is 1 hence day is WEDNESDAY");
#define THU printf ("\n Entered number is 1 hence day is THURSDAY");
#define FRI printf ("\n Entered number is 1 hence day is FRIDAY");
#define SAT printf ("\n Entered number is 1 hence day is SATURDAY");
#define SUN printf ("\n Entered number is 1 hence day is SUNDAY");
#define OTH printf ("\n Entered number is out of range");

void main()
{
      int day;
 clrscr();

 printf ("Enter an integer in the range 1 to 7");
 scanf ("%d", &day);
        switch(day)
{
        case 1:
    MON;
break;
 case 2:
    TUE;
break;
case 3:
    WED;
break;
 case 4:
    THU;
break;
case 5:
    FRI;
break;
 case 6:
    SAT;
break;
 case 7:
    SUN;
break;
default:
    OTH;
}
getch();
}