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#include <iostream>
using namespace std;
class MyNode
{
public:
MyNode(int a_data):data(a_data),link(NULL) {}
int data;
MyNode *link;
};
class Josephus
{
public:
Josephus(int a_N, int a_K, int a_M):N(a_N),K(a_K),M(a_M)
{
createList();
outputList();
}
protected:
void createList();
void outputList();
private:
MyNode *m_pHead;//循环链表的头节点
int N; //链表节点个数
int K; //第一个报数人的序号
int M; //报数出局的数
};
void Josephus::createList()
{
MyNode *pre = NULL;
MyNode *cur = NULL;
MyNode *p = new MyNode(1);
m_pHead = p;
cur = p;
for (int i=2; i<=N; i++)
{
p = new MyNode(i);
pre = cur;
cur = p;
pre->link = cur;
}
cur->link = m_pHead;
int n=N;
p = m_pHead;
cout<<"原来顺序:";
while (n--)
{
cout << p->data << ",";
p = p->link;
}
cout << endl;
}
void Josephus::outputList()
{
MyNode *pre = NULL;
MyNode *cur = m_pHead;
K--;
while (K--) //寻找第K个人(开始报数的人)
{
pre = cur;
cur = cur->link;
}
cout<<"依次出列的数字:";
while (N--) //输出链表中所有的节点值
{
int s = M-1;
while (s--) //寻找间隔M的人
{
pre = cur;
cur = cur->link;
}
MyNode *p = cur;
if(N>=1)
cout << p->data << ",";
if(N==0)
{
cout<<p->data<<endl;
cout<<"最后剩下的数字:"<<p->data<<endl;
}
cur = cur->link; //删除节点的过程
pre->link = cur;
delete p;
p=NULL;
}
}
int main()
{
Josephus josephus(8,1,3);
return 0;
}
网上找的代码,稍微改了一下。应该符合要求。
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