dethi-CannedMilk.c

// De Thi 1
// 15.08.2023

#include <stdio.h>
#include <stdlib.h>

#define MAX 20

struct CannedMilk
{
    char label[30];
    int weight;
    int price;
};
struct CannedMilk cm[MAX];

void inputCannedMilk(struct CannedMilk cm[MAX], int numberOfCannedMilk);
void outputCannedMilk(struct CannedMilk cm[MAX]);

void doQuestionR1()
{
    int n, evenDivisor = 0;
    printf("Input an integer k: ");
    scanf("%d", &n);

    printf("All the devisors of k:");
    for (int i = 1; i <= n; i++)
    {
        if (n % i == 0)
        {
            if (i % 2 == 0)
                evenDivisor++;
            printf("%d ", i);
        }
    }
    printf("\n Number of even divisors: %d \n", evenDivisor);

    return;
}

void doQuestionR2()
{
    int numberOfCannedMilks;
    printf("Please enter Number of Canned Milk: ");
    scanf("%d", &numberOfCannedMilks);

    inputCannedMilk(cm, numberOfCannedMilks);
    outputCannedMilk(cm);

    return;
}

void inputCannedMilk(struct CannedMilk cm[], int numberOfCannedMilk)
{
    for (int i = 0; i < numberOfCannedMilk; i++)
    {
        printf("Input for canned milk %d: \n", i + 1);

        printf("\t Label: ");
        scanf("%s", cm[i].label);

        printf("\t Weight: ");
        scanf("%d", &cm[i].weight);

        printf("\t Price: ");
        scanf("%d", &cm[i].price);

        printf("\n");
    }
}

void outputCannedMilk(struct CannedMilk cm[MAX])
{
    puts("------------------------------");
    puts("Displaying the cans which have the weight from 100 to 400:");
    for (int i = 0; i < MAX; i++)
    {
        if (cm[i].weight >= 100 && cm[i].weight <= 400)
        {
            printf("\t Label: %s \n", cm[i].label);
            printf("\t Weight: %d \n", cm[i].weight);
            printf("\t Price: %d \n\n", cm[i].price);
        }
    }
    puts("-END OF R2-");
}
void doQuestionR3()
{
    puts("Exit program....");
    exit(0);
}

void menu()
{
    puts("*********************************");
    puts("* Select Action:                ");
    puts("* \t 1. R1");
    puts("* \t 2. R2");
    puts("* \t 3. R3");
    puts("*********************************");
}

int main()
{
    int choice;

    do
    {
        menu();
        printf("Option: ");
        scanf("%d", &choice);

        // clear screen
        printf("\033[H\033[2J");

        // Choice into programs:
        switch (choice)
        {
        case 1:
            doQuestionR1();
            break;
        case 2:
            doQuestionR2();
            break;
        case 3:
            doQuestionR3();
            break;

        default:
            // clear screen
            printf("\033[H\033[2J");

            puts("\n\t INVALID! Please choose from 1 2 or 3.");
            continue;
        }

    } while (1);

    return 0;
}