C++代码写的有关页面置换算法的程序 实现OPT 算法 (最优置换算法) 、LRU 算法 (Least Recently) 、 FIFO 算法 (First IN First Out)的模拟-C++ code written on the page replacement algorithm OPT program algorithm (the optimal replacement algorithm), LRU algorithm (Least Recently), FIFO algorit