#include <iostream>
#include <cstring>

template <typename T>
const T &max(T*, int);
template <> const char *max(const char**, int);

int main(void) {
    int int_array[5] = {0, 1, 2, 3, 4};
    double double_array[5] = {0.1, 1.1, 2.1, 3.1, 4.1};
    const char *c_str[] = {"abc", "defg", "hijklmn", "op"};

    std::cout << max(c_str, 4) << '\n';
    std::cout << max(int_array, 5) << '\n';
    std::cout << max(double_array, 5) << '\n';

    std::cin.ignore(std::numeric_limits<int>::max(), '\n');
    return 0;
}

template <typename T>
const T &max(T *type, int n) {
    int k = 0;
    for(int i = 0; i < n; ++i)
        if(type[k] < type[i])
            k = i;
    return type[k];
}

template <> const char *max(const char **str, int nPointers){
    int k = 0;
    for(int i = 0; i < nPointers; ++i)
        if(std::strlen(str[k]) < std::strlen(str[i]))
            k = i;
    return str[k];
}