5个哲学家决定筷子当前是否可用，筷子如果被人拿起，则不可用，放下则哲学家可用就餐，只有5只筷子，哲学家两个动作，就餐或思考问题-5 philosophers decide whether the current available chopsticks, chopsticks if it is picked up is not available, put the philosopher can eat only five chopsticks, philosopher two movement