说明：  设计一个n个并发进程共享m个系统资源的程序以实现银行家算法编写和调试一个系统动态分配资源的简单模拟程序，观察死锁产生的条件，并采用适当的算法，有效地防止和避免死锁的发生
(Design a n concurrent processes to share m-system resources to achieve the banker' s algorithm program to write and debug a simple system dynamics simulation program to allocate resources to observe the resulting deadlock conditions, and the use of appropriate algorithms, effectively prevent and avoid the dead the occurrence of lock)