C PROGRAM TO IMPLEMENTS MENU DRIVEN TO PERFORMED ARITHMETIC OPERATION

#include<stdio.h>
#include<conio.h>
void main()
{
int n,a,b,r;
clrscr();
printf("\nEnter Any First Number : ");
scanf("%d",&a);
printf("\nEnter Any Second Number : ");
scanf("%d",&b);

printf("\n1. ADDITION ");
printf("\n2. MULTIPLICATION ");
printf("\n3. SUBSTRACTION ");
printf("\n4. DIVISION ");
printf("\n5. REMAINDER ");

printf("\nEnter Ur Choice : ");
scanf("%d",&n);

switch(n)
{
  case 1 :
 r=a+b;
 printf("\nFirst Number = %d",a);
 printf("\nSecond Number = %d",b);
 printf("\nAddition = %d",r);
 break;
  case 2 :
 r=a*b;
 printf("\nFirst Number = %d",a);
 printf("\nSecond Number = %d",b);
 printf("\nMultiplication = %d",r);
 break;

  case 3 :
   break;
  case 4 :
   break;
  case 5 :
   break;
  default : printf("\nInvalid Choice");
}
getch();
}