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C++ Lists(链表)
Lists将元素按顺序储存在链表中. 与 向量(vectors)相比, 它允许快速的插入和删除,但是随机访问却比较慢.
assign() 给list赋值
back() 返回最后一个元素
begin() 返回指向第一个元素的迭代器
clear() 删除所有元素
empty() 如果list是空的则返回true
end() 返回末尾的迭代器
erase() 删除一个元素
front() 返回第一个元素
get_allocator() 返回list的配置器
insert() 插入一个元素到list中
max_size() 返回list能容纳的最大元素数量
merge() 合并两个list
pop_back() 删除最后一个元素
pop_front() 删除第一个元素
push_back() 在list的末尾添加一个元素
push_front() 在list的头部添加一个元素
rbegin() 返回指向第一个元素的逆向迭代器
remove() 从list删除元素
remove_if() 按指定条件删除元素
rend() 指向list末尾的逆向迭代器
resize() 改变list的大小
reverse() 把list的元素倒转
size() 返回list中的元素个数
sort() 给list排序
splice() 合并两个list
swap() 交换两个list
unique() 删除list中重复的元素附List用法实例:#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()="<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(): "< put_list(list1,"list1");
put_list(list3,"list3");
cout<<"list1>list3: "<<(list1>list3)<cout<<"list1list1.sort();
put_list(list1,"list1");
//结合处理
list1.splice(++list1.begin(), list3);
put_list(list1,"list1");
put_list(list3,"list3");
}补充:STL标准函数find进行vector 、list链表查找#include
#include
#include class example
{
public:
example(int val)
{
i = val;
}bool operator==(example const & rhs)
{
return (i == rhs.i) ? true : false;
}private:
int i;
};
using namespace std;
int main(void)
{
vector ve;
ve.push_back(1);
vector::iterator it;
example elem(1);
it = find(ve.begin(), ve.end(), elem);
cout<}
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