Error in code.

[Hardiksri]

#include "stdafx.h"
#include <iostream>
#include <stdio.h>
#include <conio.h>
#include <fstream>
#include <string.h>
#include <stdlib.h>
#include <time.h>
#include <limits>
#if max
#define max
#endif // max
#include <windows.h>
#include <limits>

using namespace std;
int main()
{
......goto Admin;
}
Admin:

template <typename T>
T get_input(const std::string &strQuery);

std::string get_username();
std::string get_password();
void save_user(const std::string &username, const std::string &password);

void login();
void register_user();
void main_menu();

int main()
{
main_menu();
}

template <typename T>
T get_input(const std::string &strQuery)
{
std::cout << strQuery << "\n> ";
T out = T();

while (!(std::cin >> out)) {
std::cin.clear();
std::cin.ignore(std::numeric_limits <std::streamsize>::max(), '\n');
std::cout << "Error!" "\n";
std::cout << strQuery << "\n> ";
}

return out;
}

std::string get_password()
{
std::string password1 = get_input <std::string> ("Please enter your password.");
std::string password2 = get_input <std::string> ("Please re-enter your password.");

while (password1 != password2) {
std::cout << "Error! Passwords do not match." "\n";
password1 = get_input <std::string>("Please enter your password.");
password2 = get_input <std::string>("Please re-enter your password.");
}

return password1;
}

std::string get_username()
{
std::string username = get_input <std::string>("Please enter a username.");
std::cout << "Username: \"" << username << "\"\n";

while (get_input <int>("Confirm? [0|1]") != 1) {
username = get_input <std::string>("Please enter a username.");
std::cout << "Username: \"" << username << "\"\n";
}

return username;
}

void login()
{
std::cout << "You are being logged in!" "\n";
}

void main_menu()
{
int choice = get_input <int>(
"Hello, Would you like to log in or register?" "\n"
"[1] Login" "\n"
"[2] Register" "\n"
"[3] Exit");

switch (choice)
{
case 1:
login();
break;
case 2:
register_user();
break;
}
}

void register_user()
{
std::string username = get_username();
std::string password = get_password();
save_user(username, password);
}

void save_user(const std::string &username, const std::string &password)
{
std::string filename = username + ".txt";
std:fstream file(filename);
file << password << "\n";
}




template <typename T>
T get_input(const std::string &strQuery);

std::string get_username();
std::string get_password();
void save_user(const std::string &username, const std::string &password);

void login();
void register_user();
void main_menu();

int main()
{
main_menu();
}

template <typename T>
T get_input(const std::string &strQuery)
{
std::cout << strQuery << "\n> ";
T out = T();

while (!(std::cin >> out)) {
std::cin.clear();
std::cin.ignore(std::numeric_limits <std::streamsize>::max(), '\n');
std::cout << "Error!" "\n";
std::cout << strQuery << "\n> ";
}

return out;
}

std::string get_password()
{
std::string password1 = get_input <std::string> ("Please enter your password.");
std::string password2 = get_input <std::string> ("Please re-enter your password.");

while (password1 != password2) {
std::cout << "Error! Passwords do not match." "\n";
password1 = get_input <std::string>("Please enter your password.");
password2 = get_input <std::string>("Please re-enter your password.");
}

return password1;
}

std::string get_username()
{
std::string username = get_input <std::string>("Please enter a username.");
std::cout << "Username: \"" << username << "\"\n";

while (get_input <int>("Confirm? [0|1]") != 1) {
username = get_input <std::string>("Please enter a username.");
std::cout << "Username: \"" << username << "\"\n";
}

return username;
}

void login()
{
std::cout << "You are being logged in!" "\n";
}

void main_menu()
{
int choice = get_input <int>(
"Hello, Would you like to log in or register?" "\n"
"[1] Login" "\n"
"[2] Register" "\n"
"[3] Exit");

switch (choice)
{
case 1:
login();
break;
case 2:
register_user();
break;
}
}

void register_user()
{
std::string username = get_username();
std::string password = get_password();
save_user(username, password);
}

void save_user(const std::string &username, const std::string &password)
{
std::string filename = username + ".txt";
std:fstream file(filename);
file << password << "\n";
}



There is showing error that not actual parameter for marco max()

and '(': illegle token on right side of '::'.

please help me in this. i am not getting whhat to do now.

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