Password-Gen.cpp

#include <iostream>
#include <cstdlib>
#include <ctime>
#include <limits>
using namespace std;

static const char alphanum[] =
"0123456789"
"!@#$%^&*"
"ABCDEFGHIJKLMNOPQRSTUVWXYZ"
"abcdefghijklmnopqrstuvwxyz";
int size = sizeof(alphanum) - 1;

int main()
{
    /* Password-Generator
       Generate a strong password with a desired length!
    */
    cout << "Generate a strong password!\nSelect a number from 8 to 15\n";

    int length;
    // Ask the user for the length of the password
    // Length must be in between 8 to 15 characters
    while (true)
    {
        cout << "Length of password: ";
        cin >> length;

        // Edge case if the user types a non-integer input
        if (!cin)
        {
            cout << "Type only numbers between 8-15." << endl;
            cin.clear();
            cin.ignore(numeric_limits<streamsize>::max(), '\n');
            continue;
        }
        // Too short
        else if (length < 8)
        {
            cout << "Length too short. Password length must be more than 8" << endl;
            continue;
        }
        // Too long
        else if (length > 15)
        {
            cout << "Length too long. Password length must be less than 15" << endl;
            continue;
        }
        // If it passes all these tests, the user input is valid
        else
        {
            break;
        }
    }

    // Generate the password with a given length
    cout << "---🔐Password Generated🔐----Copy below--------\n";
    srand(time(0));
    for (int i = 0; i < length; i++)
    {
        cout << alphanum[rand() % ::size];
    }
    cout << "\n";

    cout << "-----------------------------------------------\n";
    cout << "THANK YOU FOR USING MY TOOL :3 \n"<<endl;
    cout << "-DROID\n";

    cout << "░░░░░░░░░░░░░░░░░███████ ]▄▄▄▄▄▄▄▄▄-----------******\n";
    cout << "░░░░░░░░░░░░▂▄▅█████████▅▄▃▂\n";
    cout << "░░░░░░░░░░░I███████████████████].\n";
    
    return 0;
}