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Ques:-26) An electric power distribution company charges its domestic consumers as follows:
Computation Units Rate of Charge
0-200 Rs. 0.50 per unit
201-400 Rs. 100 plus Rs. 0.65 per unit excess of 200
401-600 Rs. 230 plus Rs. 0.80 per unit excess of 400
601 and above Rs. 390 plus Rs. 1.00 per unit excess of 600
The program reads the customer number and power consumed and prints the amount to be paid by the customer.
Below is a C program that reads the customer number and power consumed, then calculates and prints the amount to be paid by the customer based on the given rate structure.
#include"stdio.h"
#include"conio.h"
void main()
{
int c_no,po,r;
float total=0,t=0;
clrscr();
printf("enter the customer number:");
scanf("%d",&c_no);
printf("enter the power consumed by consumer:");
scanf("%d",&po);
if(po>0&&po<=200)
total=po*0.50;
else if(po>200&&po<=400)
{
r=po-200;
t=r*0.65;
total=(200*0.50)+t+100;
}
else if(po>400&&po<=600)
{
r=po-400;
t=r*0.80;
total=(200*0.50)+(200*0.65)+t+230;
}
else if(po>600)
{
r=po-600;
t=r*1;
total=(200*0.50)+(200*0.65)+(200*0.80)+t+390;
}
else
printf("wrong data inserted:");
printf("\ncostomer no---power consumed---total amount\n");
printf(" %d %d %f",c_no,po,total);
getch();
}
Out Put
Another Example
#include <stdio.h>
int main() {
int customerNumber;
int unitsConsumed;
float amount = 0.0;
// Requesting input from the user
printf("Enter customer number: ");
scanf("%d", &customerNumber);
printf("Enter units consumed: ");
scanf("%d", &unitsConsumed);
// Compute the amount based on the rate structure
if (unitsConsumed <= 200) {
amount = unitsConsumed * 0.50;
} else if (unitsConsumed <= 400) {
amount = 100 + (unitsConsumed - 200) * 0.65;
} else if (unitsConsumed <= 600) {
amount = 230 + (unitsConsumed - 400) * 0.80;
} else {
amount = 390 + (unitsConsumed - 600) * 1.00;
}
// Output the results
printf("Customer Number: %d\n", customerNumber);
printf("Units Consumed: %d\n", unitsConsumed);
printf("Amount to be paid: Rs. %.2f\n", amount);
return 0;
}
Explanation:
Variable Declaration:
customerNumber: stores the customer number.unitsConsumed: stores the number of units consumed.amount: stores the calculated amount to be paid.
Input Request:
- The program requests the customer number and units consumed from the user.
Computation:
- The program calculates the amount based on the given rate structure using a series of
if-elsestatements:- If units consumed are less than or equal to 200, the charge is
unitsConsumed * 0.50. - If units consumed are between 201 and 400, the charge is
100 + (unitsConsumed - 200) * 0.65. - If units consumed are between 401 and 600, the charge is
230 + (unitsConsumed - 400) * 0.80. - If units consumed are above 600, the charge is
390 + (unitsConsumed - 600) * 1.00.
- If units consumed are less than or equal to 200, the charge is
- The program calculates the amount based on the given rate structure using a series of
Output Results:
- The program prints the customer number, units consumed, and the amount to be paid.
Output:
Here is an example output of the program for different inputs:
Example 1:
Enter customer number: 101
Enter units consumed: 150
Customer Number: 101
Units Consumed: 150
Amount to be paid: Rs. 75.00
Example 2:
Enter customer number: 102
Enter units consumed: 350
Customer Number: 102
Units Consumed: 350
Amount to be paid: Rs. 197.50
Example 3:
Enter customer number: 103
Enter units consumed: 500
Customer Number: 103
Units Consumed: 500
Amount to be paid: Rs. 310.00
Example 4:
Enter customer number: 104
Enter units consumed: 750
Customer Number: 104
Units Consumed: 750
Amount to be paid: Rs. 540.00
To compile and run this program, you can use a C compiler like gcc:
gcc program.c -o program
./program
