#include <iostream>
#include <cmath>
#include <stdexcept>
#include <string>
#include <vector>

using namespace std;

template<typename PokTip, typename TipEl>
PokTip Maximum (PokTip It1, PokTip It2, TipEl  f (TipEl)) {
    auto max{It1};
    It1++;
    while (It1!=It2)
    {
        if (f(*It1)>f(*max))
            max=It1;
        It1++;
    }
    return max;
}
int main () {
int niz[10]={2,4,6,1,6,8,6,3,1,7};
auto pok{Maximum(niz, niz+10, sin)};
cout<<*pok;
return 0;
}