#include <iostream>
#include <vector>
using namespace std;

template<class Array, class Less> 
void Sort(Array& arr, const Less& less) {}
 
struct SortType {
   int Key;
};

bool Cmp(const SortType& a, const SortType& b)
{
    return a.Key < b.Key;
}

int main()
    {
 vector<int> array;
 Sort(array, Cmp);

    }