/*
Organization: Technical University of Kosice (TUKE),
Department: Department of Electronics and Multimedia Telecommunications (DEMT/KEMT), 
Faculties: Faculty of Electrical Engineering and Informatics (FEI),
Feld of study: 	Informatics,
Study program: Computer Networks,  
School year: 3., Bachelor study, 2020/2021,
Author:  Marek Rohac -- MR,
Compiler: Winlibs GCC -- MinGW-W64 x86_64-posix-seh, built by Brecht Sanders, v. 10.2.0,
					  -- also works with GCC 11.1.0
*/

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

#define TIMER_INIT \
	LARGE_INTEGER frequency; \
	LARGE_INTEGER t1,t2; \
	double elapsedTime; \
	QueryPerformanceFrequency(&frequency);
	// Use to start the performance timer 
#define TIMER_START QueryPerformanceCounter(&t1);
	// Use to stop the timer
#define TIMER_STOP \
	QueryPerformanceCounter(&t2); \
elapsedTime=(double)(t2.QuadPart-t1.QuadPart)/frequency.QuadPart;
		
int main(){
	TIMER_INIT
	{TIMER_START
		Sleep(1000);
	TIMER_STOP}
	printf("Time of execution: %f sec\n", elapsedTime);
    return 0;
}