类属性算法find分别用于数组、表和输入迭代器
1 #include <iostream>
2 #include <cassert>
3 #include <algorithm>
4 #include <list>
5 #include <iterator>
6
7 using namespace std;
8
9 int main()
10 {
11 int a[10]={12,3,25,7,11,213,7,123,29,-31};
12 //int *ptr=find(&a[0],&a[10],7);
13 //assert (*ptr==7 && *(ptr+1)==11);
14 list<int> list1(&a[0],&a[10]);
15 list<int>::iterator i=find(list1.begin(),list1.end(),7);
16 assert (*i==7 && *(++i)==11);
17
18 cout<<"Type some characters,including an 'x' followed\n"<<"by at least one nonwhite-space character: "<<flush;
19 istream_iterator<char> in(cin);
20 istream_iterator<char> eos;
21 find(in,eos,'x');
22 cout<<"The first nonwhite-space character following\n"<<"the first 'x' was '"<<*(++in)<<"'."<<endl;
23
24 return 0;
25 }