|
Posted on 2012-06-25 01:06 虚空骄阳 阅读(305) 评论(0) 编辑 收藏 引用 所属分类: C++ List
#include <iostream> #include <list> #include <numeric> #include <algorithm>
using namespace std;
//创建一个list容器的实例LISTINT typedef list<int> LISTINT;
//创建一个list容器的实例LISTCHAR typedef list<int> LISTCHAR;
void main(void) { //-------------------------- //用list容器处理整型数据 //-------------------------- //用LISTINT创建一个名为listOne的list对象 LISTINT listOne; //声明i为迭代器 LISTINT::iterator i; //从前面向listOne容器中添加数据 listOne.push_front (2); listOne.push_front (1); //从后面向listOne容器中添加数据 listOne.push_back (3); listOne.push_back (4); //从前向后显示listOne中的数据 cout<<"listOne.begin()--- listOne.end():"<<endl; for (i = listOne.begin(); i != listOne.end(); ++i) cout << *i << " "; cout << endl; //从后向后显示listOne中的数据 LISTINT::reverse_iterator ir; cout<<"listOne.rbegin()---listOne.rend():"<<endl; for (ir =listOne.rbegin(); ir!=listOne.rend();ir++) { cout << *ir << " "; } cout << endl; //使用STL的accumulate(累加)算法 int result = accumulate(listOne.begin(), listOne.end(),0); cout<<"Sum="<<result<<endl; cout<<"------------------"<<endl; //-------------------------- //用list容器处理字符型数据 //-------------------------- //用LISTCHAR创建一个名为listOne的list对象 LISTCHAR listTwo; //声明i为迭代器 LISTCHAR::iterator j; //从前面向listTwo容器中添加数据 listTwo.push_front ('A'); listTwo.push_front ('B'); //从后面向listTwo容器中添加数据 listTwo.push_back ('x'); listTwo.push_back ('y'); //从前向后显示listTwo中的数据 cout<<"listTwo.begin()---listTwo.end():"<<endl; for (j = listTwo.begin(); j != listTwo.end(); ++j) cout << char(*j) << " "; cout << endl; //使用STL的max_element算法求listTwo中的最大元素并显示 j=max_element(listTwo.begin(),listTwo.end()); cout << "The maximum element in listTwo is: "<<char(*j)<<endl; }
#include <iostream> #include <list>
using namespace std; typedef list<int> INTLIST;
//从前向后显示list队列的全部元素 void put_list(INTLIST list, char *name) { INTLIST::iterator plist; cout << "The contents of " << name << " : "; for(plist = list.begin(); plist != list.end(); plist++) cout << *plist << " "; cout<<endl; }
//测试list容器的功能 void main(void) { //list1对象初始为空 INTLIST list1; //list2对象最初有10个值为6的元素 INTLIST list2(10,6); //list3对象最初有3个值为6的元素 INTLIST list3(list2.begin(),--list2.end()); //声明一个名为i的双向迭代器 INTLIST::iterator i; //从前向后显示各list对象的元素 put_list(list1,"list1"); put_list(list2,"list2"); put_list(list3,"list3"); //从list1序列后面添加两个元素 list1.push_back(2); list1.push_back(4); cout<<"list1.push_back(2) and list1.push_back(4):"<<endl; put_list(list1,"list1"); //从list1序列前面添加两个元素 list1.push_front(5); list1.push_front(7); cout<<"list1.push_front(5) and list1.push_front(7):"<<endl; put_list(list1,"list1"); //在list1序列中间插入数据 list1.insert(++list1.begin(),3,9); cout<<"list1.insert(list1.begin()+1,3,9):"<<endl; put_list(list1,"list1"); //测试引用类函数 cout<<"list1.front()="<<list1.front()<<endl; cout<<"list1.back()="<<list1.back()<<endl; //从list1序列的前后各移去一个元素 list1.pop_front(); list1.pop_back(); cout<<"list1.pop_front() and list1.pop_back():"<<endl; put_list(list1,"list1"); //清除list1中的第2个元素 list1.erase(++list1.begin()); cout<<"list1.erase(++list1.begin()):"<<endl; put_list(list1,"list1"); //对list2赋值并显示 list2.assign(8,1); cout<<"list2.assign(8,1):"<<endl; put_list(list2,"list2"); //显示序列的状态信息 cout<<"list1.max_size(): "<<list1.max_size()<<endl; cout<<"list1.size(): "<<list1.size()<<endl; cout<<"list1.empty(): "<<list1.empty()<<endl; //list序列容器的运算 put_list(list1,"list1"); put_list(list3,"list3"); cout<<"list1>list3: "<<(list1>list3)<<endl; cout<<"list1<list3: "<<(list1<list3)<<endl; //对list1容器排序 list1.sort(); put_list(list1,"list1"); //结合处理 list1.splice(++list1.begin(), list3); put_list(list1,"list1"); put_list(list3,"list3"); }
|