PROGRAM TO PERFORM MENU DRIVEN ARITHMETIC OPERATIONS USING FUNCTION

#include<stdio.h>

main()

{

int ch,a,b,c;

printf("Perform arithmetic functions\n");

printf("Enter a,b\n");

scanf("%d\n%d",&a,&b);

while(1)

{

printf("\n1.ADDITION\n2.subtraction\n3.multiplication\n4.division\n");

printf("Enter UR Choice:  ");

scanf("\n%d",&ch);

switch(ch)

{

case 1:

add(a,b);

break;

case 2:

sub(a,b);

break;

case 3:

mul(a,b);

break;

case 4:

div(a,b);

break;

default:

printf("wrong value\n");

exit(0);

}

}

}

int add(int p,int q)

{

int c;

c=p+q;

printf("Answer is: %d\n",c);

}

int sub(int p,int q)

{

int c;

c=p-q;

printf("Answer is: %d\n",c);

}

int mul(int p,int q)

{

int c;

c=p*q;

printf("Answer is: %d\n",c);

}

int div(int p,int q)

{

int c;

c=p/q;

printf("Answer is: %d\n",c);

}

OUTPUT:

"menudriven.c" 70L, 777C written

[staff@linuxserver staff]$ cc menudriven.c

[staff@linuxserver staff]$ ./a.out

Perform arithmetic functions

Enter a,b

12

3

1.ADDITION

2.subtraction

3.multiplication

4.division

Enter UR Choice:  2

Answer is: 9

1.ADDITION

2.subtraction

3.multiplication

4.division

Enter UR Choice:  1

Answer is: 15

1.ADDITION

2.subtraction

3.multiplication

4.division

Enter UR Choice:  3

Answer is: 36

1.ADDITION

2.subtraction

3.multiplication

4.division

Enter UR Choice:  4

Answer is: 4

1.ADDITION

2.subtraction

3.multiplication

4.division

Enter UR Choice:  5

wrong value