PROGRAMME FOR ELECTRICITY BILL

#include<iostream.h>

#include<conio.h>

void main()

{

clrscr();

float a,b,m,n,t;

int xy;

cout<<"enter the number of users\n";

cin>>n;

cout<<"enter the charge of meter\n";

cin>>m;

cout<<"1.If the units consumed is 100-199\n";

cout<<"2.If the units consumed is between 200-299\n";

cout<<"3.If the units consumed is =>300\n";

cout<<"enter the choice\n";

cin>>xy;

switch(xy)

{

case 1:

cout<<"enter the electricity consumed in units\n";

cin>>a;

b=a*0.40;

t=b+m/n;

cout<<"the total charge of electricity including meter charge by single user in Rs. will be\n"<<t;

break;

case 2:

cout<<"enter the electricity consumed in units\n";

cin>>a;

b=a*0.50;

t=b+m/n;

cout<<"the total charge of electricity including meter charge by single user in Rs. will be\n"<<t;

break;

case 3:

cout<<"enter the electricity consumed in units\n";

cin>>a;

b=a*0.60;

t=b+m/n;

cout<<"the total charge of electricity including meter charge by single user in Rs. will be\n"<<t;

break;

default:

cout<<"the entered category is invalid";

break;

}

getch();

}