Answered: allow data to be continuously input for…

Computer Networking: A Top-Down Approach (7th Edition)

7th Edition

ISBN:9780133594140

Author:James Kurose, Keith Ross

Publisher:James Kurose, Keith Ross

Chapter1: Computer Networks And The Internet

Section: Chapter Questions

Problem R1RQ: What is the difference between a host and an end system? List several different types of end...

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Question

Q1) Use the source code enhance your program above as follows (include a loop structure):

• allow data to be continuously input for more customer's information such as customer's name and phone number.

#include <stdio.h> #include <stdlib.h> #include<string.h> #pragma warning(disable:4996) int main(void) { //Package category array char category[] = { 'A', 'B', 'C', 'D' }; //Price array float price[] = { 24.50, 26.00, 27.50, 29.00 }; //Quantiy array int quantity[] = { 0, 0, 0, 0 }; int count = 1; int qtyA = 0, qtyB = 0, qtyC = 0, qtyD = 0,n[20]; float total = 0.0, discount = 0.0, delivery = 0.0, net = 0.0; char ch = 'A', choice = 'Y'; printf("\n<MENU PRICES OF VEGETABLE>"); printf("\n==============================================================================="); printf("\n MR.KOK VEGETABLE ORDERING SYSTEM"); printf("\n==============================================================================="); //Continue taking customer input till choice is not 'N' or 'n' while (choice != 'n' && choice != 'N') { printf("\nCustomer no. : %d", count++); //Continue taking the package and quantity input till X while (ch != 'X') { printf("\n\nPACKAGE A,B,C,D (X = EXIT) : "); scanf("%c", &ch); getchar(); //Increment respective quantity of each category if (ch == 'A') { printf("\nQuantity : "); scanf("%d", &qtyA); getchar(); quantity[0] += qtyA; } if (ch == 'B') { printf("\nQuantity : "); scanf("%d", &qtyB); getchar(); quantity[1] += qtyB; } if (ch == 'C') { printf("\nQuantity : "); scanf("%d", &qtyC); getchar(); quantity[2] += qtyC; } if (ch == 'D') { printf("\nQuantity : "); scanf("%d", &qtyD); getchar(); quantity[3] += qtyD; } } //Print the details of package and add to total printf("\n======================================================================="); if (qtyA != 0) { printf("\nPACKAGE A : %d @ RM 24.50 = RM %.2f", qtyA, qtyA * price[0]); total += qtyA * price[0]; } if (qtyB != 0) { printf("\nPACKAGE B : %d @ RM 26.00 = RM %.2f", qtyB, qtyB * price[1]); total += qtyB * price[1]; } if (qtyC != 0) { printf("\nPACKAGE C : %d @ RM 27.50 = RM %.2f", qtyC, qtyC * price[2]); total += qtyC * price[2]; } if (qtyD != 0) { printf("\nPACKAGE D : %d @ RM 29.00 = RM %.2f", qtyD, qtyD * price[3]); total += qtyD * price[3]; } printf("\n=======================================================================\n"); //Check the total value of purchase and update the delivery and discount if (total > 80) { printf("\nPACKAGE CHARGES : RM %.2f", total); if (total > 100) { delivery = 0.0; printf("\nDelivery fees : RM%.2f", delivery); discount = 0.15 * total; printf("\nDiscount : RM%.2f", discount); } //Calculate the net amount to be paid by Customer net = total + delivery - discount; } else { printf("\nPACKAGE CHARGES : RM %f", total); delivery = 5.0; printf("\nDelivery fees : RM%.2f", delivery); discount = 0.0 * total; printf("\nDiscount : RM%.2f", discount); net = total + delivery - discount; } //print the total amount printf("\nTotal to pay : RM %.2f", net); ch = 'A'; qtyA = 0; qtyB = 0; qtyC = 0; printf("\n\nTHANK YOU, HAVE A NICE DAY!"); qtyD = 0; total = 0.0; //Ask if next Customer is available printf("\n\nNext Customer ? (Y/N) : "); scanf("%c", &choice); getchar(); } //Print the daily sales report printf("\n======================================================================="); printf("\n\n>>>>>>>>>>>>>>>>>>>>>>>>DAILY SALES REPORT<<<<<<<<<<<<<<<<<<<<<<<<<<<\n"); printf("\n======================================================================="); printf("\nPACKAGE\tQUANTITY SOLD\tSALES AMOUNT\n"); printf("\n=======================================================================\n"); int i = 0; while (i < 4) { printf("%c\t%d\t\t%.2f\n", category[i], quantity[i], quantity[i] * price[i]); i++; } printf("\n======================================================================="); return 0; }