$input int N=3;
int a[N];//array a is shared by all threads but each thread writes to different elements of a

void thread1(int tid){
  a[tid]=tid;
}

void thread2(int tid, int* p){
  *p=*p+tid;
}

int main(void){
  $parfor(int i: 0 .. N-1)
    thread1(i);
  $parfor(int i: 0 .. N-1)
    thread2(i, &a[i]);
}