Write a program to calculate the monthly telephone bills as per the following rule: Minimum Rs. 200 for upto 100 calls. Plus Rs. 0.60 per call for next 50 calls. Plus Rs. 0.50 per call for next 50 calls. Plus Rs. 0.40 per call for any call beyond 200 calls.

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Assignments » Flow Of Control » Set 1 » Solution 9

#include<iostream>
using namespace std;

int main()
{
 int calls;
 float bill;
 cout<<"Enter number of calls : ";
 cin>>calls;

 if(calls<=100)
  bill=200;
 else if (calls>100 && calls<=150)
   {
       calls=calls-100;
       bill=200+(0.60*calls);
 }
 else if (calls>150 && calls<=200)
 {
  calls=calls-150;
  bill=200+(0.60*50)+(0.50*calls);
  }
 else
 {
  calls=calls-200;
  bill=200+(0.60*50)+(0.50*50)+(0.40*calls);
 }

 cout<<" Your bill is Rs."<<bill;


 return 0;
}

  The Output Is:  


SAMPLE RUN # 1

Enter number of calls : 90
Your bill is Rs.200

SAMPLE RUN # 2

Enter number of calls : 145
Your bill is Rs.227

SAMPLE RUN # 3

Enter number of calls : 190
Your bill is Rs.250

SAMPLE RUN # 4

Enter number of calls : 390
Your bill is Rs.331