Program of Switch statement...............

#include<stdio.h>

#include<conio.h>

int a,b,c,add,min,pro,mod;

int sum();

int sub();

int mul();

int div();

int main()

{

int i;

printf("1:sum\n2:sub\n3:mul\n4:div\n");

printf("Enter the a:");

scanf("%d",&a);

printf("Enter the b:");

scanf("%d",&b);

printf("Enter the choice:");

scanf("%d",&i);

switch(i)

{

case 1:

sum();

printf("The answer is %d",add);

break;

case 2:

sub();

printf("The answer is %d",min);

break;

case 3:

mul();

printf("The answer is %d",pro);

break;

case 4:

div();

printf("The answer is %d",mod);

break;

default:

printf("Out of course hai bhai---->.........................");

}

return 0;

}

int sum()

{

add=a+b;

return add;

}

int sub()

{

min=a-b;

return min;

}

int mul()

{

pro=a*b;

return pro;

}

int div()

{

mod=a/b;

return mod;

}