C++ STL vector 谓词遍历

 1 #include <stdio.h>
 2 #include <string>
 3 #include <iostream>
 4 #include <fstream>
 5 #include <iterator>
 6 #include <vector>
 7 #include <algorithm>
 8 #include <map>
 9 using namespace std;
10 void print(const string s)
11 {
12     cout<<s<<endl;
13 }
14 bool gt_str_1(string s)
15 {
16     return s>"1";
17 }
18 int  main()
19 {
20     
21     ifstream is("1");
22 
23     istream_iterator<string> ii(is);
24     istream_iterator<string> eos;
25 
26  
27     vector<string> v(ii,eos);
28     for_each(v.begin(),v.end(),print);
29     cout<<count_if(v.begin(),v.end(),gt_str_1)<<endl;
30 
31     return 0;
32 }

C++ STL vector 谓词 遍历

C++ STL vector 谓词遍历