Day

Basically, this program consist of different cases for particular number which user will input. Switch case works on input and for this program, the input should be integer since switch(n) where n is already declared as integer. For any other input, the switch case default function will run i.e "Invalid choice". Alsi, the program also consist of break; which is used to come out of the loop of switch case.

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Program to print day

#include<stdio.h>
#include<conio.h>
void main()
{ int n;
clrscr();
printf("\n program to print day on basis of day no.");
printf("\n\n enter day no. : ");
scanf("%d",&n);
printf("\n\n\t\t");
switch(n)
{ case 1 : printf("monday");break;
case 2 : printf("tuesday");break;
case 3 : printf("wednesday");break;
case 4 : printf("thursday");break;
case 5 : printf("friday");break;
case 6 : printf("saturday");break;
case 7 : printf("sunday");break;
default : printf("invalid choice");break;
}
getch();
}