Given an array arr[] consisting of n integers, the task is to find all the array elements which occurs more than floor(n/3) times.

Note: The returned array of majority elements should be sorted.

First you need python installed in your local machine to create virtual environment.
Download Python from Here

cd D:/code/

python --version # Type this and hit enter to verify the python version


# Now use these commands
python -m venv .env

.\env\Scripts\activate

.\env\Scripts\Activate.ps1

source \.env\bin\activate

Set-ExecutionPolicy -Scope Process -ExecutionPolicy Bypass

Q. Stock Buy and Sell - Multiple Transaction Allowed (Hard)

Given an array prices[] of size n denoting the cost of stock on each day, the task is to find the maximum total profit if we can buy and sell the stocks any number of times.

Note: We can only sell a stock which we have bought earlier and we cannot hold multiple stocks on any day.

Given an array prices[] of length n, representing the prices of the stocks on different days. The task is to find the maximum profit possible by buying and selling the stocks on different days when at most one transaction is allowed. Here one transaction means 1 buy + 1 Sell. If it is not possible to make a profit then return 0.

Note: Stock must be bought before being sold.

Let's make a image captcha generator using python.
You can use it in your website or in telegram bots for user verifications, it generate random text in image so that bots can be recognize..

If you don't know how to make virtual environment, Follow This Post

pip install captcha pillow

from captcha.image import ImageCaptcha
from io import BytesIO
from PIL import Image
import string, random

def random_text():
    text = string.ascii_letters + string.digits
    f_text = ''
    for i in range(6):
        f_text += random.choice(text)
    return f_text

def image_captcha(text: str) -> None:
    captcha: ImageCaptcha = ImageCaptcha(width=400, height=200, font_sizes=(50, 70, 100))

    data: BytesIO = captcha.generate(text)
    image: Image = Image.open(data)
    image.show('Temp')


if __name__ == '__main__':
    image_captcha(random_text())

@NotCoding | @CodesSnippet

Sample image of captcha generator code

Given the heights of n towers and a positive integer k, increase or decrease the height of all towers by k (only once). After modifications, the task is to find the minimum difference between the heights of the tallest and the shortest tower.

Given an array arr[], the task is to find the subarray that has the maximum sum and return its sum.

Given an array arr[] that contains positive and negative integers (may contain 0 as well). Find the maximum product that we can get in a subarray of arr[].

Note: It is guaranteed that the output fits in a 32-bit integer.

Given an array of integers arr[] in a circular fashion. Find the maximum subarray sum that we can get if we assume the array to be circular.

→ To setup and install Tailwindcss in your local machine (pc), you need to follow some steps!!

→ At first to install Tailwindcss you need nodejs installed in your pc, let's intsall nodejs first..
› To install nodejs visit official website of nodejs, download latest version and install it simply by running that executable file.

› If you have Mac or linux then go to Official website and choose nodejs for your machine.

> Verify installation by running command: node -v

cd D:/code/ 

npm install -D tailwindcss

npx tailwindcss init

@tailwind base;
@tailwind components;
@tailwind utilities;

/** @type {import('tailwindcss').Config} */
module.exports = {
  content: ["./dist/*.html"],
  theme: {
    extend: {},
  },
  plugins: [],
}

npx tailwindcss -i ./src/input.css -o ./dist/style.css --watch

@NotCoding | @CodesSnippet

You are given an integer array arr[]. Your task is to find the smallest positive number missing from the array.

Note: Positive number starts from 1. The array can have negative integers too.

Random Password Generator is a web application that allows users to create secure passwords based on their preferences. It is built using HTML, TailwindCSS, and JavaScript.

NOTE: To setup Tailwindcss in your pc follow these instructions.

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Random Password</title>
    <link rel="stylesheet" href="style.css">
    <link rel="shortcut icon" href="icon.png" type="image/x-icon">
</head>
<body class="p-0 m-0 h-[100vh] w-full grid place-content-center justify-items-center place-items-center text-white bg-blue-400">
    <div class="bg-slate-400 h-[95vh] w-[97vw] rounded-2xl flex justify-center items-center">
        <div class="bg-slate-600 h-[18rem] w-[25rem] rounded-xl border-b-black p-2 text-center">
            <h1 class="font-extrabold font-serif mt-1 select-none cursor-default">
                Random Password Generator
            </h1>
            <div class="h-fit flex justify-center items-center flex-col border-black border-2 m-5 rounded-xl">
                <div class="p-2 h-[4rem] border border-black w-[95%] mt-2 rounded-t-xl rounded-b-md flex justify-center items-center">
                    <code id="pass-gen" class="select-none"></code>
                </div>
                <div class="mt-1 mb-2 rounded-b-xl rounded-t-md p-2 w-[95%] h-fit border-black border cursor-pointer active:scale-95 hover:bg-gray-500 hover:border-green-300 transition duration-200 ease-in-out" id="copy-item">
                    <h2 class="font-semibold font-sans select-none">
                        Copy
                    </h2>
                </div>
            </div>
            <div class="flex justify-center items-center m-2 select-none">
                <div class="px-2 cursor-pointer select-none">
                    <input type="checkbox" name="Alphabet" id="alphabets" class="cursor-pointer">
                    <label for="alphabets" class="cursor-pointer select-none">Alphabets</label>
                </div>
                <div class="px-2 cursor-pointer select-none">
                    <input type="checkbox" name="Numbers" id="numbers" class="cursor-pointer">
                    <label for="numbers" class="cursor-pointer select-none">Numbers</label>
                </div>
                <div class="px-2 cursor-pointer select-none">
                    <input type="checkbox" name="Symbols" id="symbols" class="cursor-pointer">
                    <label for="symbols" class="cursor-pointer select-none">Symbols</label>
                </div>
            </div>
            <div class="flex justify-center items-center">
                <div class="h-fit w-[90%] p-2 font-bold rounded-3xl bg-green-600 cursor-pointer text-black select-none active:scale-95 hover:bg-green-500 transition duration-200 ease-in-out" id="generate-button">
                    Generate
                </div>
            </div>
        </div>
    </div>
    <script src="script.js"></script>
</body>
</html>

• For Full Code Here
• Demo Website is Here

@NotCoding | @CodesSnippet

Given a string s, the objective is to convert it into integer format without utilizing any built-in functions. Refer the below steps to know about atoi() function.

Cases for atoi() conversion:

1. Skip any leading whitespaces.
2. Check for a sign (‘+’ or ‘-‘), default to positive if no sign is present.
3. Read the integer by ignoring leading zeros until a non-digit character is encountered or end of the string is reached. If no digits are present, return 0.
4. If the integer is greater than 2**31 – 1, then return 2**31 – 1 and if the integer is smaller than -231, then return -231.

Given two binary strings s1 and s2 consisting of only 0s and 1s. Find the resultant string after adding the two Binary Strings.
Note: The input strings may contain leading zeros but the output string should not have any leading zeros.

Telegram supports text formatting in messages using Markdown or HTML. This allows you to style your messages with bold, italic, links, inline code, and more.

› Formatting in HTML

<b>Bold Text</b>

<strong>bold</strong>

<i>Italic Text</i>

<em>italic</em>

<u>Underline Text</u>

<code>Monospace Text<code>

<spoiler>Spoiler Text</spoiler>

<s>Strikethrough Text</s>

<strike>strike</strike>

<del>strike</del>

<a href="https://telegram.me/NotCoding">text URL</a>

<a href="tg://user?id=5217486447">inline mention</a>

<emoji id="123456789abcdef">🐱</emoji>

<pre>pre-formatted</pre>

<pre language="python">pre-formatted</pre>

<blockquote>Quoted text</blockquote>

@NotCoding | @CodesSnippet

Given two strings s1 and s2 consisting of lowercase characters. The task is to check whether two given strings are an anagram of each other or not. An anagram of a string is another string that contains the same characters, only the order of characters can be different. For example, "act" and "tac" are an anagram of each other. Strings s1 and s2 can only contain lowercase alphabets.

Note: You can assume both the strings s1 & s2 are non-empty.

Telegram supports text formatting in messages using Markdown or HTML. This allows you to style your messages with bold, italic, links, inline code, and more.

› Formatting in HTML

› Formatting in MARKDOWN

**bold**

__italic__

--underline--

`inline fixed-width code`

||spoiler||

~~strike~~

[text URL](https://telegram.me/NotCoding)

[text user mention](tg://user?id=5217486447)

```
pre-formatted```

> Quoted text

@NotCoding | @CodesSnippet

Given a string s consisting of lowercase Latin Letters. Return the first non-repeating character in s. If there is no non-repeating character, return '$'.
Note: When you return '$' driver code will output -1.

Exam Time 🫠 17 Dec - 20 Dec