#include <stdio.h>
#include <time.h>
#include <sys/types.h>

int main(void){
	
	struct timeval uno;
	struct timeval dos;
	
	gettimeofday(&uno, NULL);
	
	printf("hola\n");
	
	gettimeofday(&dos, NULL);
	
	printf("Elapsed: %d seconds, %d microseconds.\n", (dos.tv_sec - uno.tv_sec), (dos.tv_usec - uno.tv_usec));
	
}