random.cpp

来自「约瑟夫问题」· C++ 代码 · 共 16 行

#include"random.h"
#include<time.h>
RandomNumber::RandomNumber(unsigned long s)
{

	if(s==0)
randSeed=time(0);
else
randSeed=s;
}
unsigned short RandomNumber::Random(unsigned long n)
{
	randSeed=multiplier *randSeed+adder;
return (unsigned short)((randSeed>>16)%n);
}