c++模拟操作系统调度程序，包括First Come First Serve，Highest Penalty Ratio Next和Round Robin三种算法实现（内附英文说明）,c++ simulate operating system scheduler including FCFS, HPRN(Highest Penalty Ratio Next) and RR(Round Robin) algorithms

Disable page statistic by default due to huge performance penalty.

CAVEAT: There may be performance penalty if you need the edit distance as an integer value.