menuDeThi.c

// De Thi 1
// 15.08.2023

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

void doQuestionR1()
{
    int n, evenDivisor = 0;
    printf("Input an integer: ");
    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()
{
    struct CannedMilk
    {
        char label[30];
        int weight[4]{100, 200, 300, 400};
        double price;
    };


    return;
}

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);

        // 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;
}