#include "stdafx.h"
#include<stdio.h>
#include<stdlib.h>
#include<math.h>

void Menu()
{
    system("cls");
    printf(" 1. Tekst zadachi \n");
    printf(" 2. Vvod dannih v minutah \n");
    printf(" 3. Pereschet v sekundy \n");
    printf(" 4. Pereschet v chasy i minuty ( HH : MM ) \n");
    printf(" 5. Pereschet v sutki, chasy i minuty ( DD : HH : MM ) \n");
    printf(" 6. Exit \n");
}

void Tekst (int a)
{
        system("cls");
        printf(" Napisat' programmu perescheta yedinits vremeni. \n Programma dolzhna upravlyat'sya s pomoshch'yu menyu iz shesti punktov .\n");
}

void Vvod (int a)
{
    printf("Input time in minutes: ");
    scanf_s("%d /n", a);
}

void SS (int a)
{
    printf("Time in seconds is %d ", a*60, "s");
}

void HHMM (int a)
{
    int b = 0, c = a;
    while (c >= 60)
        {
            b = b+1; c = c-60;
        }
    printf("Time HH:MM = %d:%d", b, c);
}

void DDHHMM (int a)
{
    int b = 0, c = a, d =0;
    while (c >= 60)
        {
            b = b+1; c = c-60;
        }
    while (b >= 24)
        {
            d = d+1; b = b-1;
        }
}

int main()
{
    int a = 0, k=15, p;
    void (*f[5])(int a) = {Tekst, Vvod, SS, HHMM, DDHHMM };
    Menu();
    scanf_s("%d", &p);
while (p != 6)
{
       if ((p<1)||(p>6)) {
printf("INPUT ERROR! Vvedite chislo ot 1 do 6 \n"); getchar();
}
    while ((p>0)&&(p<6))
    {
            (*f[p-1])(a);
            getchar();
            Menu();
            scanf_s("%d", &p);
    }
}


    return 0;
}