C++ Password Generator

#include <iostream>
#include <fstream>
#include <Windows.h>
#include <chrono>
#include <random>
int main(){
    int length = 0;
    char* file = "Password_Output.txt";
    typedef std::chrono::high_resolution_clock myclock;
    myclock::duration c_time = myclock::now().time_since_epoch();
    std::mt19937 generator(c_time.count() ^ GetCurrentProcessId());
    std::cout << "Write number of charachters the password must have: ";
    std::cin >> length;
    if (!std::cin.good()) {
        std::cout << "Not a valid input." << std::endl;
        system("PAUSE>NUL");
        return 0;
}
    char*password = new char[length + 1];
    for (int i = 0; i < length; i++) password[i] = (generator() % 95) + 32;
    password[length] = 0;
    std::ofstream myfile;
    myfile.open(file);
    if (myfile.is_open()){
        myfile << password;
        myfile.close();
        std::cout << "Password written to file: " << file << std::endl;
    }
    else{
        std::cout << "Failed to create and open file " << file << std::endl;
    }
    delete[] password;
    system("PAUSE>NUL");
    return 0;
}