Write a Program in C++ Which Compute Monthly Water Bill

1. Previous Units
2. Current  Units
3. Total Bill

Structure of the Problem Requirements 

In this Problem we Need to Calculate the Monthly Water Bill . This Problem Concern with Mathematical Problem and Solutions and for Calculating this we Need Previous Unit and Current Unit .When we Subtract Previous Unit From Current Unit we Get the Monthly Unit of Water.

Source Code

#include <iostream>

using namespace std;

int main ()

{

cout<<endl<<endl<<"*************** WATER BILL CALCULATION ***************"<<endl<<endl;

char ch;

do

{

int previous_meter_reading;             //Declare the Variable

int current_meter_reading; //Declare the Variable

int demand_charge=350; //Intilize the Variable

int charge_per_gallon=10; //Intilize the Variable

int surcharge=50; //Intilize the Variable

int gallons; //Declare the Variable

int bill; //Declare the Variable

  char unpaid_balance; //Declare the Variable

cout<<endl<<"Please Enter Previous Meter Reading: ";

cin>>previous_meter_reading; // User Input the Last Record Unit

cout<<endl<<"Please Enter Current Meter Reading: ";

cin>>current_meter_reading; // User Input the Current Record Unit

cout<<endl<<"Did Customer Paid The Previous Bill? (Press 'Y' or 'N'): ";

cin>>unpaid_balance; //User Can Pay the Last bill or not

gallons=current_meter_reading-previous_meter_reading;

if (unpaid_balance== 'Y') // If yes then it subtracted from current one

{

bill=(charge_per_gallon*gallons)+demand_charge;

}

else

{

bill=(charge_per_gallon*gallons)+demand_charge+surcharge; // If not then it subtracted from current one

}

cout<<endl<<"Water Bill="<<bill<<"Rs."<<endl;

cout<<endl<<"=============================================================="<<endl;

cout<<"Do you Want More (Y / N) : "; //Asking 4 more if not then press N and Exist Programme

cin>>ch;

}while(ch=='y--');

return 0;

}

Output of the Program

Compute Monthly Water Billing System

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About Author!

Asad Niazi is Software Engineer , Programmer, Web Developers and a young mentor of Tech Solutions Desk and Blogging Solutions . Asad Love to writes about Technology, Programming, Blogging and make money online.