【STL】-function object

 // Generic findMax, with a function object, version #1
 // Precondition,  a.size() > 0
 #include <iostream>
 #include <vector>
 #include <string.h>
 using namespace std;

 template <class Object, class Comparator>
 const Object& findMax(const vector<Object> &arr, Comparator cmp)
 {
     int maxIndex = ;
     for(int i = ; i < arr.size(); i++) {
         if(cmp.isLessThan(arr[maxIndex], arr[i]))
             maxIndex = i;
     }
     return arr[maxIndex];
 }

 #include <functional>
 template <class Object>
 const Object& findMax(const vector<Object> &arr)
 {
     return findMax(arr, less<Object>() );
 }

 class CaseInsensitiveCompare {
     public:
             bool isLessThan(const string &lhs, const string &rhs) const
                 {return (stricmp(lhs.c_str(), rhs.c_str())< ); }
 };

 int main()
 {
     vector<string> arr();
     arr[] = "ZEBRA"; arr[] = "alligator"; arr[] = "crocodile";
     cout << findMax(arr, CaseInsensitiveCompare()) << endl;
     //cout << findMax(arr) << endl;
     return ;
 }