#include <stdio.
h>
#include <stdlib.h>
#include <string.h>
#define MAX_DRINKS 100
struct Drink {
int code;
char name[50];
char type[50];
char unit[10];
float price;
};
struct Drink drinks[MAX_DRINKS];
int num_drinks = 0;
// Function prototypes
void addDrink();
void editPrice(int code);
void editName(int code);
void deleteDrink(int code);
void sortDescendingType();
void sortAscendingPrice();
void exportEntireList();
void exportByCode(int code);
void exportByPriceRange(float minPrice, float maxPrice);
void exportStatistics();
int main() {
int choice;
do {
printf("\nMenu:\n");
printf("01. Enter drink information\n");
printf("02. Edit price of drinks (search by Drink code)\n");
printf("03. Edit information about drink name (search by Drink code)\n");
printf("04. Delete information (search by Drink code)\n");
printf("05. Sort the list descending by Drink Type\n");
printf("06. Sort the list ascending by Price\n");
printf("07. Export entire list\n");
printf("08. Export list by Drink code\n");
printf("09. Export list by Price in a certain range\n");
printf("10. Export Average price, Highest price, Lowest price\n");
printf("0. Exit\n");
printf("Choose an option: ");
scanf("%d", &choice);
switch (choice) {
case 1:
addDrink();
break;
case 2:
if (num_drinks == 0) {
printf("There are no drinks in the database! Please add the drink data to the database.\n");
break;
}
{
int code;
printf("Enter Drink code: ");
scanf("%d", &code);
editPrice(code);
}
break;
case 3:
if (num_drinks == 0) {
printf("There are no drinks in the database! Please add the drink data to the database.\n");
break;
}
{
int code;
printf("Enter Drink code: ");
scanf("%d", &code);
editName(code);
}
break;
case 4:
if (num_drinks == 0) {
printf("There are no drinks in the database! Please add the drink data to the database.\n");
break;
}
{
int code;
printf("Enter Drink code: ");
scanf("%d", &code);
deleteDrink(code);
}
break;
case 5:
if (num_drinks == 0) {
printf("There are no drinks in the database! Please add the drink data to the database.\n");
break;
}
sortDescendingType();
break;
case 6:
if (num_drinks == 0) {
printf("There are no drinks in the database! Please add the drink data to the database.\n");
break;
}
sortAscendingPrice();
break;
case 7:
exportEntireList();
break;
case 8:
if (num_drinks == 0) {
printf("There are no drinks in the database! Please add the drink data to the database.\n");
break;
}
{
int code;
printf("Enter Drink code: ");
scanf("%d", &code);
exportByCode(code);
}
break;
case 9:
if (num_drinks == 0) {
printf("There are no drinks in the database! Please add the drink data to the database.\n");
break;
}
{
float minPrice, maxPrice;
printf("Enter minimum price: ");
scanf("%f", &minPrice);
printf("Enter maximum price: ");
scanf("%f", &maxPrice);
exportByPriceRange(minPrice, maxPrice);
}
break;
case 10:
if (num_drinks == 0) {
printf("There are no drinks in the database! Please add the drink data to the database.\n");
break;
}
exportStatistics();
break;
case 0:
printf("Exiting program.\n");
break;
default:
printf("Invalid option.\n");
}
} while (choice != 0);
return 0;
}
void addDrink() {
if (num_drinks < MAX_DRINKS) {
struct Drink newDrink;
printf("Enter Drink code: ");
scanf("%d", &newDrink.code);
printf("Enter Drink name: ");
scanf(" %[^\n]", newDrink.name);
printf("Enter Drink type: ");
scanf("%s", newDrink.type);
printf("Enter unit: ");
scanf("%s", newDrink.unit);
printf("Enter price: ");
scanf("%f", &newDrink.price);
drinks[num_drinks] = newDrink;
num_drinks++;
printf("Drink added successfully.\n");
} else {
printf("Drink list is full, cannot add more.\n");
}
}
void editPrice(int code) {
int i;
for (i = 0; i < num_drinks; i++) {
if (drinks[i].code == code) {
printf("Enter new price: ");
scanf("%f", &drinks[i].price);
printf("Price updated successfully.\n");
return;
}
}
printf("Drink with code %d not found.\n", code);
}
void editName(int code) {
int i;
for (i = 0; i < num_drinks; i++) {
if (drinks[i].code == code) {
printf("Enter new name: ");
scanf(" %[^\n]", drinks[i].name);
printf("Name updated successfully.\n");
return;
}
}
printf("Drink with code %d not found.\n", code);
}
void deleteDrink(int code) {
int found = 0;
int i, j;
for (i = 0; i < num_drinks; i++) {
if (drinks[i].code == code) {
found = 1;
for (j = i; j < num_drinks - 1; j++) {
drinks[j] = drinks[j + 1];
}
num_drinks--;
printf("Drink deleted successfully.\n");
break;
}
}
if (!found)
printf("Drink with code %d not found.\n", code);
}
void sortDescendingType() {
int i, j;
struct Drink temp;
for (i = 0; i < num_drinks - 1; i++) {
for (j = 0; j < num_drinks - i - 1; j++) {
if (strcmp(drinks[j].type, drinks[j + 1].type) < 0) {
temp = drinks[j];
drinks[j] = drinks[j + 1];
drinks[j + 1] = temp;
}
}
}
printf("List sorted in descending order by Drink Type.\n");
}
void sortAscendingPrice() {
int i, j;
struct Drink temp;
for (i = 0; i < num_drinks - 1; i++) {
for (j = 0; j < num_drinks - i - 1; j++) {
if (drinks[j].price > drinks[j + 1].price) {
temp = drinks[j];
drinks[j] = drinks[j + 1];
drinks[j + 1] = temp;
}
}
}
printf("List sorted in ascending order by Price.\n");
}
void exportEntireList() {
int i;
printf("Drink list:\n");
printf("Code\t| Name\t\t\t\t\t| Type\t\t\t| Unit\t| Price\n");
for (i = 0; i < num_drinks; i++) {
printf("%d\t| %-30s\t| %-20s\t| %-5s\t| %.2f\n", drinks[i].code, drinks[i].name, drinks[i].type,
drinks[i].unit, drinks[i].price);
}
}
void exportByCode(int code) {
int i;
printf("Drink with code %d:\n", code);
printf("Code\t| Name\t\t\t\t\t| Type\t\t\t| Unit\t| Price\n");
for (i = 0; i < num_drinks; i++) {
if (drinks[i].code == code) {
printf("%d\t| %-30s\t| %-20s\t| %-5s\t| %.2f\n", drinks[i].code, drinks[i].name, drinks[i].type,
drinks[i].unit, drinks[i].price);
return;
}
}
printf("Drink with code %d not found.\n", code);
}
void exportByPriceRange(float minPrice, float maxPrice) {
int i, found = 0;
printf("Drink list with prices between %.2f and %.2f:\n", minPrice, maxPrice);
printf("Code\t| Name\t\t\t\t\t| Type\t\t\t| Unit\t| Price\n");
for (i = 0; i < num_drinks; i++) {
if (drinks[i].price >= minPrice && drinks[i].price <= maxPrice) {
printf("%d\t| %-30s\t| %-20s\t| %-5s\t| %.2f\n", drinks[i].code, drinks[i].name, drinks[i].type,
drinks[i].unit, drinks[i].price);
found = 1;
}
}
if (!found)
printf("No drinks found in this price range.\n");
}
void exportStatistics() {
int i;
if (num_drinks == 0) {
printf("There are no drinks in the database! Please add the drink data to the database.\n");
return;
}
float total_price = 0, max_price = drinks[0].price, min_price = drinks[0].price;
for (i = 0; i < num_drinks; i++) {
total_price += drinks[i].price;
if (drinks[i].price > max_price)
max_price = drinks[i].price;
if (drinks[i].price < min_price)
min_price = drinks[i].price;
}
float average_price = total_price / num_drinks;
printf("Average price: %.2f\n", average_price);
printf("Highest price: %.2f\n", max_price);
printf("Lowest price: %.2f\n", min_price);
}
