#ifndef _ROLLERCOASTER_
#define _ROLLERCOASTER_

#include <iostream>
#include <string>
#include <cstdlib>
#include <pthread.h>
#include <unistd.h>
#include <semaphore.h>
#include <ctime>
using namespace std;

sem_t admin, board, unboard, car;

int R = 2, C = 2, *id, nr=0, nrw=0;
pthread_t * RiderThread, CarThread;

int main (int argc, char **argv);
void *rollercoaster (void *a);
void *rider (void *a);

#endif