#include <stdio.h>
#include <stdlib.h>
#include <windows.h>
int main(void)
{
int hour, min, sec;
hour = min = sec = 0;
while (1) {
system("cls"); // ȸéÀ» Áö¿î´Ù.
printf("%02d: %02d: %02d", hour, min, sec);
sec++;
if (sec == 60) { min++; sec = 0; }
if (min == 60) { hour++; min = 0; }
if (hour == 24) { hour = min = sec = 0; }
Sleep(1000); // 1ÃÊ µ¿¾È ÇÁ·Î±×·¥À» Àç¿î´Ù.
}
return 0;
}