01.#include <iostream>
02.#include <string>
03.#include <vector>
04.
05.using namespace std;
06.
07.bool in_array(const string &needle, const vector< string > &haystack);
08.
09.int main(int argc, char *argv[])
10.{
11.
12. vector< string > custom;
13.
14. custom.push_back("Apple");
15. custom.push_back("Orange");
16. custom.push_back("Cherry");
17.
18. if (in_array("Grape", custom))
19. cout <<"Grape in list"<<endl;
20. else
21. cout <<"Grape not found"<<endl;
22.
23. if (in_array("Orange", custom))
24. cout <<"Orange in list"<<endl;
25. else
26. cout <<"Orange not found"<<endl;
27. return 0;
28.}
29.
30.bool in_array(const string &needle, const vector< string > &haystack)
31.{
32. int max=haystack.size();
33.
34. if (max==0) return false;
35.
36. for(int i=0; i<max; i++)
37. if (haystack[i]==needle)
38. return true;
39. return false;
40.}
