Шаблонная функция в классе, непонятная ошибка

# include <iostream>
# include <stdlib.h>
# include <windows.h>
# include <process.h>
using namespace std;
typedef short int si;
 
string begin_init = "???";
si begin_init1 = 0;
char begin_init2 = '?';
 
template <typename T>
void count(T array[], si size);
 
class Person
{
private:
    string name, surname, patronymic, address, phone;
    si year, height, weight;
    char sex; //m - male, f - female
public:
    Person()
    {
        name = surname = patronymic = address = phone = begin_init;
        year = height = weight = begin_init1;
        sex = begin_init2;
    }
    void getdata(si i)
    {
        cout<<"\n\nName "<<i+1<<": "<<name;
        cout<<"\nSurname "<<i+1<<": "<<surname;
        cout<<"\nPatronymic "<<i+1<<": "<<patronymic;
        cout<<"\nAddress ( Street name ) "<<i+1<<": "<<address;
        cout<<"\nYear of birth "<<i+1<<": "<<year;
        cout<<"\nPhone "<<i+1<<": "<<phone;
        cout<<"\nHeight in centimeters "<<i+1<<": "<<height;
        cout<<"\nWeight in kilograms "<<i+1<<": "<<weight;
        cout<<"\nSex ( m - male, f - female ) "<<i+1<<": "<<sex;
    }
    void setdata(si i)
    {
        cout<<"\n\nEnter name "<<i+1<<": "; cin>>name;
        cout<<"\nEnter surname "<<i+1<<": "; cin>>surname;
        cout<<"\nEnter patronymic "<<i+1<<": "; cin>>patronymic;
        cout<<"\nEnter address ( street name ) "<<i+1<<": "; cin>>address;
        cout<<"\nEnter year of birth "<<i+1<<": "; cin>>year;
        cout<<"\nEnter phone "<<i+1<<": "; cin>>phone;
        cout<<"\nEnter height in centimeters "<<i+1<<": "; cin>>height;
        cout<<"\nEnter weight in kilograms "<<i+1<<": "; cin>>weight;
        cout<<"\nEnter sex ( m - male, f - female ) "<<i+1<<": "; cin>>sex;
    }
    friend void count(Person array[], si size);
    ~Person(){};
};
 
template <typename T>
void count(T array[], si size)
{
    si i, j=0;
    for(i=0; i<size; i++)
    {
        if(array[i].sex=='m') j++;
    }
    cout<<"Number of men: "<<j<<endl;
    cout<<"Number of women: "<<size-j<<endl;
}
 
int main()
{
    SetConsoleCP(1251); SetConsoleOutputCP(1251);
    si i, N;
    cout<<"Number of persons: ";
    cin>>N; if (N<2) exit(-1);
 
    cout<<"\n\t\tFirst initialization:";
    Person *ptr = new Person[N];
    for(i=0; i<N; i++) ptr[i].getdata(i);
    cout<<endl;
 
    Sleep(5000);
    system("cls");
 
    cout<<"\n\t\tEnter information about persons:";
    for(i=0; i<N; i++) ptr[i].setdata(i);
 
    cout<<"\n\nNew information:";
    for(i=0; i<N; i++) ptr[i].getdata(i);
 
    cout<<"\n\n\n";
    count(ptr, N);
    cout<<endl;
    delete[]ptr;
 
    system("pause");
    return 0;
}

template <typename T>
friend void count(T array[], si size);