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#include<iostream>#include<string.h>#include<cstdio>#include <sstream>using
namespace std;template
<class
T>class
joseph{ struct
node { T data; node * next; node():next(NULL) {} node(T d):data(d),next(NULL) {} };private: node * head; node * cur; node * pre;public: joseph(T d); int
len = 0; void
setValue(T d) { node * tem = new
node(d); cur ->next = tem; tem -> next = head; cur = cur -> next; pre = pre -> next; len++; } void
out() { pre -> next = cur -> next; cout<<cur -> data<<" "; delete
cur; cur = pre -> next; len--; } void
nextmove() { cur = cur -> next; pre = pre -> next; } void
init() { cur = cur -> next; pre = pre -> next; }};//模板函数：将string类型变量转换为常用的数值类型（此方法具有普遍适用性）template
<class
Type>Type stringToNum(const
string& str){ istringstream iss(str); Type num; iss >> num; return
num;}template
<class
T>joseph<T> :: joseph(T d){ head = new
node(d); node * fz = new
node(); cur = head; pre = fz; pre -> next = head;}int
main(){ string z,x; cout<<"please input n"<<endl; cout<<"please input m"<<endl; while(cin>>z>>x) { int
a = 1 ;//为第一个节点赋值而创建的 int
j = 0 ;//j为n的输入判断因子，当j=1时说明输入的n不是int型 int
k = 0 ;//k为m的输入判断因子，当j=1时说明输入的n不是int型 joseph<int> dusk(a);//创建第一个节点，并调用构造函数把第一个节点赋值为1 dusk.len++;//链表长度加一 int
n , m ;//n为人数，m为密码 int
flag = 0;//是否继续 for(int
i = 0 ; i < z.length() ; i++)//判断n是不是int型 { if(z[i]<‘0‘||z[i]>‘9‘) { cout<<"n input error"<<endl; j = 1; flag = 1; break; } } n = stringToNum<int>(z);//调用函数把string型的n转换成int型 for(int
i = 0 ; i < x.length() ; i++)//判断m是不是int型 { if(x[i]<‘0‘||x[i]>‘9‘) { cout<<"m input error"<<endl; k=1; flag = 1; break; } } if(flag) { cout<<"please input n"<<endl; cout<<"please input m"<<endl; continue; } m = stringToNum<int>(x);//调用函数把string型的m转换成int型 if(n == 1) { cout << 1 << endl; cout<<"please input n"<<endl; cout<<"please input m"<<endl; continue; } if(k==1||j==1)break;//判断因子有一个等于1说明：n,m有一个输入的不是int型，结束循环 for(int
i = 2 ; i <= n ; i++)//初始化赋值 { dusk.setValue(i); } dusk.init();//把cur指针指向head，把pre的next指向cur while(dusk.len!=0)//长度不为0时循环 { for(int
i = 1 ; i < m ; i++)//移动 { dusk.nextmove(); } dusk.out(); } cout<<endl; cout<<"please input n"<<endl; cout<<"please input m"<<endl; }} |
原文：http://www.cnblogs.com/Duskcl/p/3748009.html