Function Enqueue

C/freeCodeCamp/Data Structures/queue-array.c:24–42

}

void Enqueue(int x)
{
  if ((rear + 1) % SIZE == front)
  {
    return;
  }
  else if (IsEmpty())
  {
    front = 0;
    rear = 0;

    queue[rear] = x;
  }
  else
  {
    rear = (rear + 1) % SIZE;
    queue[rear] = x;
  }
}

void Dequeue()
{