c++中的list用法

2025年01月28日 05:18
有4个网友回答
网友(1):

#include
#include
#include
#include

using namespace std;

//创建一个list容器的实例LISTINT
typedef list LISTINT;

//创建一个list容器的实例LISTCHAR
typedef list 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():"< 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():"< 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="< cout<<"------------------"<
//--------------------------
//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():"< 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: "<}

#include
#include

using namespace std;
typedef list 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<}

//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):"< 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):"< 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):"< put_list(list1,"list1");

//测试引用类函数
cout<<"list1.front()="<cout<<"list1.back()="<
//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():"< put_list(list1,"list1");

//清除list1中的第2个元素
list1.erase(++list1.begin());
cout<<"list1.erase(++list1.begin()):"< put_list(list1,"list1");

//对list2赋值并显示
list2.assign(8,1);
cout<<"list2.assign(8,1):"< put_list(list2,"list2");

//显示序列的状态信息
cout<<"list1.max_size(): "<cout<<"list1.size(): "<cout<<"list1.empty(): "<
//list序列容器的运算
put_list(list1,"list1");
put_list(list3,"list3");
cout<<"list1>list3: "<<(list1>list3)<cout<<"list1
//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");
}

参考:http://hi.baidu.com/xun1573/blog/item/6b6a2f087ebbe9960b7b8249.html

网友(2):

1.定义一个list
定义一个STL的list:
#include
#include
int main (void)
{
list Milkshakes;
return 0;
}
2.
这就行了,已经定义了一个list。list
Milkshakes这句是声明list模板类
的一个实例,然后就是实例化这个类的一个对象。在这一步需要知道定义了 一个字符串的list。包含提供STL
list类的头文件。Linux上编译这个测试程序,例如:
g++ test1.cpp -o test1
注意iostream.h这个头文件已经被STL的头文件放弃了。这就是为什么这个例子中没有它的原因。

3.现在有了一个list,把一个字符串加到这个list里。有一个非常
重要的东西叫做list的值类型。值类型就是list中的对象的类型。在这个例子中,这个list的值类型就是字符串,string ,
这是因为这个list用来放字符串。
4.使用list的成员函数push_back和push_front插入一个元素到list中
#include
#include

int main (void)
{
list Milkshakes;
Milkshakes.push_back("Chocolate");
Milkshakes.push_back("Strawberry");
Milkshakes.push_front("Lime");
Milkshakes.push_front("Vanilla");
return 0;
}
5.现在有个4个字符串在list中。list的成员函数push_back()把一个对象放到一个list的后面,而
push_front()把对象放到前面。我通常把一些错误信息push_back()到一个list中去,然后push_front()一个标题到
list中。

网友(3):

list<类型> 变量名
list a;
a.insert(5);
a.insert(89);

网友(4):

list(链表)是标准STL序列容器 ,
关于STL,网上搜索吧

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