尽量使用标准库函数

尽量使用标准库函数，不要“发明”已经存在的库函数。

 1 #include <iostream>
 2 #include <algorithm>
 3 #include <vector>
 4 #define ARRAY_SIZE 10
 5 /* run this program using the console pauser or add your own getch, system("pause") or input loop */
 6
 7 using namespace std;
 8
 9 //利用类模板生成实例
10 typedef vector < int > IntArray;
11
12 //显示数组
13 void put_array(int x[],int size) {
14     for(int i=0;i<size;i++)
15         cout<<x[i]<<" ";
16 }
17
18 //显示vector容器中的元素
19 void put_vector(IntArray v)
20 {
21     IntArray::iterator theIterator;
22
23     for (theIterator=v.begin();theIterator!=v.end();++theIterator){
24         cout<<(*theIterator)<<" ";
25     }
26 }
27
28 //在main()函数中测试find()_end()算法
29 int main(int argc, char** argv) {
30 {
31 //--------------------------------------------
32 //    find_end()算法对普通数组的处理
33 //---------------------------------------------
34     int x[ARRAY_SIZE]={1,3,5,7,9,2,4,6,8,10};
35     cout << "x[]: ";
36     put_array(x,ARRAY_SIZE);
37     cout<<endl;
38     int y[]={5,7,9};
39     cout << "y[]: ";
40     put_array(y,3);
41     cout<<endl;
42
43     // find_end()算法查找,并显示查找结果
44     int *p=find_end(x,x+ARRAY_SIZE,&y[0],&y[2]);
45     if (p != x + ARRAY_SIZE)  {  //查到
46         cout << "The first element that matches :" ;
47         put_array(y,3);
48         cout<< " is at location in x" << p - x<< endl;
49     }
50     else  {           //未查到
51          cout << "The sequence does not contain any elements";
52          cout<< " with value " ;
53          put_array(&x[3],3);
54     }
55
56 //--------------------------------------------
57 //    find_end()算法对vector容器的处理
58 //---------------------------------------------
59    //声明intvector容器对象
60     IntArray intvector;
61
62     //向intvector容器中插入元素
63     for (int i=1; i<=10; i++) {
64         intvector.push_back(i);
65     };
66
67     //显示intvector容器中的元素值
68     cout << "intvector: ";
69     put_vector(intvector);
70     cout<<endl;
71
72     IntArray temp;
73     temp.push_back(5);
74     temp.push_back(6);
75     temp.push_back(7);
76     cout << "temp: ";
77     put_vector(temp);
78     cout<<endl;
79
80     // find_end()算法查找,并显示查找结果
81     IntArray::iterator pos;
82     pos=find_end(intvector.begin(),intvector.end(),temp.begin(),temp.end());
83
84     if (pos != intvector.end())  {  //查到
85         cout << "The first element that matches ";
86         put_vector(temp);
87         cout<< " is at location in intvector " <<pos - intvector.begin()<< endl;
88     }
89     else  {           //未查到
90          cout << "The sequence does not contain any elements";
91          cout<< " with value ";
92         put_vector(temp);
93         cout<< endl ;
94     }
95         return 0;
96 }
97 }

原文地址：https://www.cnblogs.com/borter/p/9418301.html