1 #include <string>
2 #include <cctype>
3 #include <algorithm>
4 #include <iostream>
5 #include <list>
6 using namespace std;
7 class Base{
8 public:
9 int data;
10 Base(int y):data(y){}
11 };
12 Base *pt(int x){
13 Base *tmp = new Base(x);
14 return tmp;
15 }
16 int main()
17 {
18
19 string str("ceshi andx 123 benjing");
20 int x = 0;
21 char first[6] = {0};
22 char last[16] = {0};
23 char mid[16] = {0};
24 int ret = sscanf(str.c_str(), "%s%s%d%s", first, mid, &x, last);
25 cout << ret << " first:" << first << " mid:" << mid << " x:" << x << " last:" << last << endl;
26
27 //int指针类型的list
28 list<int *> intptr;
29 int *tmp = new int[5];
30 for(int i=0; i<5; i++){
31 tmp[i] = i;
32 intptr.push_back(&tmp[i]);
33 }
34 list<int *>::iterator liter;
35 for(liter = intptr.begin(); liter != intptr.end(); ++liter)
36 cout << **liter << endl;
37 for (std::list<int*>::iterator it = intptr.begin(); it != intptr.end();it++)
38 {
39 //delete ⁢ //error
40 }
41 delete[] tmp;
42
43 //以下list对象指针均建立在堆上，需要new/delete结合申请与释放
44 //list元素为基本数据类型的对象指针
45 list<int> *ptr = new list<int>[2];
46 ptr->push_back(2);
47 ptr->push_back(3);
48 list<int>::iterator iter;
49 for(iter = ptr->begin(); iter != ptr->end(); ++iter)
50 cout << *iter << endl;
51 delete[] ptr;
52 //list元素为自定义类型的对象指针
53 list<Base> *pBase = new list<Base>[5];
54 Base ba(4);
55 Base bb(5);
56 pBase->push_back(ba);
57 pBase->push_back(bb);
58 list<Base>::iterator iterb;
59 for(iterb = pBase->begin(); iterb != pBase->end(); ++iterb)
60 cout << (*iterb).data << endl;
61 delete[] pBase;
62
63 }
