How To Set An Integer To 00?

[Larmid]

Hello, well I'm attempting to make a clock. I have set, for example, the seconds area to a loop to go from 0 - 59 and then back to 0 again. The problem is I want to set it so it looks like this:

1:55:59

to

1:56:00

The problem is when the seconds counter resets, it looks like this.

1:56:0

With only one zero. How do i code it to set the integer to 00, because every time I try, for example: z = 00; it just prints the digit as "0". If anyone can help that would be great. Thanks!

[Bayint Naung]

printf("%02d\n",0);

[CommonTater]

Show us your code...

It's probably a simple matter of adjusting a couple of printf() statements, but none of us are mind readers.

[Larmid]

Sorry about this. Here is all the code I have so far.

#include <cs50.h>
#include <stdio.h>
#include <time.h>
#include <windows.h>

int
main(int argc, char * argv[])
{
    int x, y, z, r;
    r = 0;
    printf("Please select the hour: ");
    x = GetInt ();
    printf("Minutes: ");
    y = GetInt ();
    printf("Seconds: ");
    z = GetInt ();
    printf("The time is: %d:%d:%d\r", x, y, z);
    Sleep(1000);
    for(r; r == 0; r)
    {
        if (z == 59)
        {
            z = 00;
            if (y == 59)
            {
                y = 00;
                if (x == 12)
                {
                    x = 1;
                }
                else
                {
                    x++;
                }
            }
            else
            {
                y++;
            }
            printf("                     \r");
            printf("The time is: %d:%d:%d\r", x, y, z);
            Sleep(1000);
        }
        else
        {
            z++;
            printf("The time is: %d:%d:%d\r", x, y, z);
            Sleep(1000);
        }
    }
}

[CommonTater]

You could simplify this code quite a bit by using modulous (%) to limit the range of your variables. Even further by using the localtime() function.

Your display problem can most easily be fixed by using "%2d" in your printf() statments.

[iMalc]

An integer simply stores a whole number quantity. How you display that quantity is up to you.

You can show as many leading zeros as you like and fill it with commas, decimal points, dollar sign or whatever else you want to format into the resulting string.

You can't make an acurate clock by using 'Sleep'. You perhaps want to ask the OS for the time.