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

SYSTEMTIME stTimeStructure;

DWORD Frequencies[2][60]={2000,
	1000,1000,1000,1000,1000,1000,1000,1000,1000,1000,
	1000,1000,1000,1000,1000,1000,1000,1000,1000,1000,
	1000,1000,1000,1000,1000,1000,1000,1000,1000,1000,
	1000,1000,1000,1000,1000,1000,1000,1000,1000,1000,
	1000,1000,1000,1000,1000,1000,1000,1000,1000,1000,
	1000,1000,1000,1000,1000,1000,500,500,500,
	2000,
	700,700,700,700,700,700,700,700,700,700,
	700,700,700,700,700,700,700,700,700,700,
	700,700,700,700,700,700,700,700,700,700,
	700,700,700,700,700,700,700,700,700,700,
	700,700,700,700,700,700,700,700,700,700,
	700,700,700,700,700,700,500,500,500};

DWORD Durations[2][60]={500,
	50,50,50,50,50,50,50,50,500,50,
	50,50,50,50,50,50,50,50,500,50,
	50,50,50,50,50,50,50,50,500,50,
	50,50,50,50,50,50,50,50,500,50,
	50,50,50,50,50,50,50,50,500,50,
	50,50,50,50,50,50,200,200,200,
	500,
	50,50,50,50,50,50,50,50,500,50,
	50,50,50,50,50,50,50,50,500,50,
	50,50,50,50,50,50,50,50,500,50,
	50,50,50,50,50,50,50,50,500,50,
	50,50,50,50,50,50,50,50,500,50,
	50,50,50,50,50,50,200,200,200};

int main(int iArgc, char *pszArgv[])
{
	int iCount=0;

	while (1==1)
	{
		GetSystemTime(&stTimeStructure);

		printf("%04d/%02d/%02d %02d:%02d:%02d\n",stTimeStructure.wYear,stTimeStructure.wMonth,stTimeStructure.wDay,
			stTimeStructure.wHour,stTimeStructure.wMinute,stTimeStructure.wSecond);
		
		Beep(Frequencies[(stTimeStructure.wMinute&1)][stTimeStructure.wSecond],Durations[(stTimeStructure.wMinute&1)][stTimeStructure.wSecond]);

		GetSystemTime(&stTimeStructure);

		iCount=1000-stTimeStructure.wMilliseconds;
			
		if (iCount>0)
			SleepEx(iCount,FALSE);
	}

	return 0;
}