CODE

#include <stdio.h>

int main()
{
    char items[15][107];
    int item_code[15];
    int quantity[15];
    int last_item_index = 0;

    while (1)
    {
        printf("--- Inventory Management System ---\n");
        printf("1. Add Items\n");
        printf("2. Display All Items\n");
        printf("3. Search for an Item\n");
        printf("4. Update Item Quantity\n");
        printf("5. Find the Item with the lowest Quantity\n");
        printf("6. Exit\n");
        printf("Enter your choice: ");
        int choice, flag;
        scanf("%d", &choice);
        switch (choice)
        {
        case 1:
            if (last_item_index >= 15)
            {
                printf("You can't add more products!\n");
                printf("\n");
                break;
            }
            fflush(stdin);
            printf("Enter the name of the item: ");
            scanf("%s", items[last_item_index]);

            printf("Enter the item code: ");
            scanf("%d", &item_code[last_item_index]);

            printf("Enter the quantity: ");
            scanf("%d", &quantity[last_item_index]);

            last_item_index++;
            printf("\n");
            break;

        case 2:
            if (last_item_index <= 0)
            {
                printf("No product available!\n");
                printf("\n");
                break;
            }
            for (int i = 0; i < last_item_index; i++)
            {
                printf("Name: %s, Item code: %d, Quantity: %d\n", items[i], item_code[i], quantity[i]);
            }
            printf("\n");
            break;

        case 3:
            printf("Enter item code to search: ");
            int search_item_code;
            scanf("%d", &search_item_code);
            flag = 0;
            for (int i = 0; i < last_item_index; i++)
            {
                if (item_code[i] == search_item_code)
                {
                    flag = 1;
                    printf("Item found: ");
                    printf("Name: %s, Item code: %d, Quantity: %d\n", items[i], item_code[i], quantity[i]);
                    printf("\n");
                    break;
                }
            }
            if (flag == 0)
            {
                printf("Item not found!\n");
            }
            printf("\n");
            break;

        case 4:
            printf("Enter item code to update: ");
            int update_item_code;
            scanf("%d", &update_item_code);
            flag = 0;
            for (int i = 0; i < last_item_index; i++)
            {
                if (item_code[i] == search_item_code)
                {
                    printf("Enter new quantity: ");
                    int new_quantity;
                    scanf("%d", &new_quantity);
                    quantity[i] = new_quantity;
                    printf("\n");
                    flag = 1;
                    break;
                }
            }
            if (flag == 0)
            {
                printf("Item not found!\n");
            }
            printf("\n");
            break;

        case 5:
            if (last_item_index <= 0)
            {
                printf("No product available!\n");
                printf("\n");
                break;
            }
            int lowest_quantity = quantity[0], lowest_quantity_index = 0;
            for (int i = 1; i < last_item_index; i++)
            {
                if (quantity[i] < lowest_quantity)
                {
                    lowest_quantity = quantity[i];
                    lowest_quantity_index = i;
                }
            }
            printf("Item with lowest quantity: ");
            printf("Name: %s, Item code: %d, Quantity: %d\n", items[lowest_quantity_index], item_code[lowest_quantity_index], quantity[lowest_quantity_index]);

            printf("\n");
            break;

        case 6:
            printf("Exiting the program...\n\n");
            return 0;

        default:
            break;
        }
    }
}