2013-08-27 23:04 42624人阅读
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
实例一:
- #include <iostream>
- #include <list>
- #include <numeric>
- #include <algorithm>
- using namespace std;
-
- typedef list<int> LISTINT;
- typedef list<int> LISTCHAR;
-
- void main()
- {
-
-
- LISTINT listOne;
-
- LISTINT::iterator i;
-
-
- listOne.push_front (2);
- listOne.push_front (1);
-
-
- listOne.push_back (3);
- listOne.push_back (4);
-
-
- cout<<"listOne.begin()--- listOne.end():"<<endl;
- for (i = listOne.begin(); i != listOne.end(); ++i)
- cout << *i << " ";
- cout << endl;
-
-
- LISTINT::reverse_iterator ir;
- cout<<"listOne.rbegin()---listOne.rend():"<<endl;
- for (ir =listOne.rbegin(); ir!=listOne.rend();ir++) {
- cout << *ir << " ";
- }
- cout << endl;
-
-
- int result = accumulate(listOne.begin(), listOne.end(),0);
- cout<<"Sum="<<result<<endl;
- cout<<"------------------"<<endl;
-
-
-
-
-
-
- LISTCHAR listTwo;
-
- LISTCHAR::iterator j;
-
-
- listTwo.push_front (‘A‘);
- listTwo.push_front (‘B‘);
-
-
- listTwo.push_back (‘x‘);
- listTwo.push_back (‘y‘);
-
-
- cout<<"listTwo.begin()---listTwo.end():"<<endl;
- for (j = listTwo.begin(); j != listTwo.end(); ++j)
- cout << char(*j) << " ";
- cout << endl;
-
-
- j=max_element(listTwo.begin(),listTwo.end());
- cout << "The maximum element in listTwo is: "<<char(*j)<<endl;
- }
结果:
listOne.begin()--- listOne.end():
1 2 3 4
listOne.rbegin()---listOne.rend():
4 3 2 1
Sum=10
------------------
listTwo.begin()---listTwo.end():
B A x y
The maximum element in listTwo is: y
Press any key to continue
实例二:
- #include <iostream>
- #include <list>
-
- using namespace std;
- typedef list<int> INTLIST;
-
- 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;
- }
-
- void main(void)
- {
-
- INTLIST list1;
-
- INTLIST list2(10,6);
-
- INTLIST list3(list2.begin(),--list2.end());
-
-
- INTLIST::iterator i;
-
-
- put_list(list1,"list1");
- put_list(list2,"list2");
- put_list(list3,"list3");
-
-
- list1.push_back(2);
- list1.push_back(4);
- cout<<"list1.push_back(2) and list1.push_back(4):"<<endl;
- put_list(list1,"list1");
-
-
- list1.push_front(5);
- list1.push_front(7);
- cout<<"list1.push_front(5) and list1.push_front(7):"<<endl;
- put_list(list1,"list1");
-
-
- list1.insert(++list1.begin(),3,9);
- cout<<"list1.insert(list1.begin()+1,3,9):"<<endl;
- put_list(list1,"list1");
-
-
- cout<<"list1.front()="<<list1.front()<<endl;
- cout<<"list1.back()="<<list1.back()<<endl;
-
-
- list1.pop_front();
- list1.pop_back();
- cout<<"list1.pop_front() and list1.pop_back():"<<endl;
- put_list(list1,"list1");
-
-
- list1.erase(++list1.begin());
- cout<<"list1.erase(++list1.begin()):"<<endl;
- put_list(list1,"list1");
-
-
- list2.assign(8,1);
- cout<<"list2.assign(8,1):"<<endl;
- put_list(list2,"list2");
-
-
- cout<<"list1.max_size(): "<<list1.max_size()<<endl;
- cout<<"list1.size(): "<<list1.size()<<endl;
- cout<<"list1.empty(): "<<list1.empty()<<endl;
-
-
- put_list(list1,"list1");
- put_list(list3,"list3");
- cout<<"list1>list3: "<<(list1>list3)<<endl;
- cout<<"list1<list3: "<<(list1<list3)<<endl;
-
-
- list1.sort();
- put_list(list1,"list1");
-
-
- list1.splice(++list1.begin(), list3);
- put_list(list1,"list1");
- put_list(list3,"list3");
- }
结果:
The contents of list1 :
The contents of list2 : 6 6 6 6 6 6 6 6 6 6
The contents of list3 : 6 6 6 6 6 6 6 6 6
list1.push_back(2) and list1.push_back(4):
The contents of list1 : 2 4
list1.push_front(5) and list1.push_front(7):
The contents of list1 : 7 5 2 4
list1.insert(list1.begin()+1,3,9):
The contents of list1 : 7 9 9 9 5 2 4
list1.front()=7
list1.back()=4
list1.pop_front() and list1.pop_back():
The contents of list1 : 9 9 9 5 2
list1.erase(++list1.begin()):
The contents of list1 : 9 9 5 2
list2.assign(8,1):
The contents of list2 : 1 1 1 1 1 1 1 1
list1.max_size(): 1073741823
list1.size(): 4
list1.empty(): 0
The contents of list1 : 9 9 5 2
The contents of list3 : 6 6 6 6 6 6 6 6 6
list1>list3: 1
list1<list3: 0
The contents of list1 : 2 5 9 9
The contents of list1 : 2 6 6 6 6 6 6 6 6 6 5 9 9
The contents of list3 :
Press any key to continue