9. WRITE A MENU DRIVEN C PROGRAM TO A. ACCEPT TWO NUMBERS N AND M B. SUM OF ALL INTEGERS RANGING FROM N TO M C. SUM OF ALL ODD INTEGERS RANGING FROM N TO M D. SUM OF ALL EVEN INTEGERS RANGING FROM N TO M DISPLAY AN ERROR MESSAGE IF N > M. CREATE FUNCTIONS FOR EACH OF THE OPTIONS

9. WRITE A MENU DRIVEN C PROGRAM TO

A. ACCEPT TWO NUMBERS N AND M

B. SUM OF ALL INTEGERS RANGING FROM N TO M

C. SUM OF ALL ODD INTEGERS RANGING FROM N TO M

D. SUM OF ALL EVEN INTEGERS RANGING FROM N TO M

DISPLAY AN ERROR MESSAGE IF N > M. CREATE FUNCTIONS FOR EACH OF THE OPTIONS

SOURCE CODE:

#include<stdio.h>

#include<conio.h>

void main()

{

int sum=0,i,m,n,ch;

while(1){

printf("1.Sum of All numbers \n2.Sum of all even numbers\n3.Sum of

all odd numbers \n4.exit\n");

printf("Enter your choice :");

scanf("%d",&ch);

switch(ch){

case 1:

sum=0;

printf("\nEnter n and m value\n");

scanf("%d %d",&n,&m);

if(m<n)

printf("\n m value should be greater than n\n");

for(i=n;i<=m;i++)

sum=sum+i;

printf("\nSum of %d to %d is %d\n",n,m,sum);

break;

case 2:

sum=0;

printf("\nEnter n and m value \n");

scanf("%d %d",&n,&m);

if(m<n)

printf("\n m value should be greater than n\n");

for(i=n;i<=m;i++)

if(i%2==0)

sum=sum+i;

printf("\nSum of even numbers from %d to %d is %d\n",n,m,sum);

break;

case 3:

sum=0;

printf("\nEnter n and m value \n");

scanf("%d %d",&n,&m);

if(m<n)

printf("\n m value should be greater than n\n");

for(i=n;i<=m;i++)

if(i%2!=0)

sum=sum+i;

printf("\nSum of odd numbers from %d to %d is %d\n",n,m,sum);

break;

case 4:

exit(0);

default:

printf("Invalid option\n");

break;

}

}

}

Posted in: I_Sem_C_Lab