A PROGRAM TO PRESENT SWITCH ,DO WHILE & IF ELSE IF ..TOGETHER

/*A small program to represent no. of conditions inside the switch*/

/*A program to represent switch ,do while & if else togehther */

#include<stdio.h>

#include<stdlib.h>

int sum(int a,int b)//IF function is defined above main...in some compilers ..there is no need of declaration of this function

{

        int c;

        c=a+b;

        return c;

}

int main()

{

        int a=2,b=5;

        int c=7,flag;

        do

        {

                printf("\nenter the value of flag");

                scanf("%d",&flag);

                switch(c)

                {

                        case 7:

                                if(flag==0)

                                {

                                        c=sum(a,b);//if flag=0 ...perform some task

                                        printf("c=%d",c);

                                }

                                else if(flag==1)

          {

                                        printf("\nsum is already get");//if flag=1 ..task is already done

                                }

                                break;

                        case 6:

                                printf("\nhello");

                                break;

                }

        }while(flag <2);

        return 0;

}