Road2Geeks

Product-Based DSA Roadmap: Pattern Mastery How to use: Focus on ONE pattern at a time. Do not move to the next pattern until you can solve the current pattern's problems without looking at the solution. Phase 1: The Essentials (Arrays & Strings) Pattern Problem Name Difficulty Link Two Pointers Sorted arrays, Pairs Valid Palindrome Easy Solve Squares of a Sorted Array Easy Solve Two Sum II - Input Array Is Sorted Medium Solve Con...

Majority Element in an Array Given an integer array nums of size n , the task is to find the majority element . A majority element is defined as the element that appears more than ⌊n / 2⌋ times in the array. It is guaranteed that the majority element always exists. Problem Example Input: nums = [3, 2, 3] Output: 3 Input: nums = [2,2,1,1,1,2,2] Output: 2 Approach 1: Using Counter (Easy to Understand) A straightforward approach is to count the frequency of each element and return the one with the maximum count. Python Code from collections import Counter class Solution: def majorityElement(self, nums): freq = Counter(nums) max_count = max(freq.values()) for key in freq: if freq[key] == max_count: return key Complexity Analysis Time Complexity: O(n) Space Complexity: O(n) Although this solution is simple and readable, it us...

How to install python in Termux.  Termux is a powerful terminal emulator for Android that allows you to run command-line programs and tools. One of the most popular programming languages, Python, can be installed in Termux and used for a variety of purposes, such as web development, data analysis, and machine learning. Termux is a powerful terminal emulator for Android that allows users to run command-line programs and tools on their mobile devices. It provides a full Linux-style environment, complete with a package manager and a range of pre-installed tools. One of the benefits of using Termux is that it makes it easy to install and use Python on Android devices. With just a few commands, you can install the latest version of Python and start using it to write and run scripts, or to use Python libraries in your own projects. Python and Termux are a powerful combination that can be used for a wide range of purposes, such as web scraping, data analysis, and machine learning. Whether...

instagram reel video download Instagram is owned by meta, aka Facebook. Since Instagram introduced Instagram feature in 2020 after ban of TikTok in India, it has a large audience and users wants to consume same and short content, so they prefer Instagram shorts. Nowadays, Instagram has many influencers and with huge followers, more than a million. And influencers creates reels in order to get more reach, and if you want to download your favorite influencers reels, so this article is for you and if you want to download Instagram Reels of your friend, so again this blog is also for you. Do you also have the question that- Can I download Instagram Reels? So my straight forward answer is yes! Why not? You can! It is possible to download Instagram Reels. If you are trying to download reels from your own feed, so it is very straight forward process, we will talk about it in another article. In this article, I will tell you how to download another person's account's feed's reel, ...

Smartphone Tips For Virus Attack: There are a few simple yet valuable tips to shield cell phone from Hackers, which whenever followed, can be kept away from the snare of Virus. Yet, on the off chance that you disregard these work tips, your ledger or say life's profit can be lost because of infection assault. See Tips.   image credit> https://www.iwmbuzz.com/ These 5 tips will surely help you to be Protected against VIRUS Instructions to Protect Smartphone From Malware: Smartphones have turned into a significant piece of our lives in general, this is on the grounds that today the majority of the work is finished through cell phones sitting at home. In any case, programmers are exploiting this rising reliance on smartphones, who abandon the record by placing infection in the phone of versatile clients and breaking into the ledger. Assuming that you additionally continue to stress over how to save the smartphone from getting found out in the infection trap, then today we will...

 9 Things To Do If Your Phone Is Lost Or Stolen  Losing your phone can be in excess of a migraine in the event that you sit idle. image credit- https://odishabytes.com/  In the event that your phone is lost or taken, the stakes are higher than with a somewhat costly handheld. Your passwords, monetary records, work reports, and other classified data can be compromised on the off chance that your gadget falls into some unacceptable hands.  Yet, in the event that you make the right strides rapidly subsequent to understanding it's been taken, you can restrict the possible harm to the missing hand and that's it.  What to do if your smartphone is taken or lost? If you lose an iOS or Android phone, you can find, lock and eradicate it with worked in security highlights. Nonetheless, before you make any further move, ensure that your phone isn't encountering any transient obstruction.  Here are a few stages you can take to find and recuperate your taken gadget ...

How many phone numbers are  in your name? Find out now what this  The DoT portal is also known as Telecom Analytics for Fraud Management and Consumer Protection (TAFCOP). According to the rules issued by DoT, a citizen can only issue 9 cell phone numbers from their Aadhar card.  @image credit- 123rf.com We all know how much cheating has increased today. Especially the cases of SIM card fraud or Aadhar card fraud are at their peak. People don't know what tricks he uses for his own benefit.There are these types of scams that need to be recognized. Do you know how many cell phone numbers are registered in your name? If not, then today's article is for you. Because today we are going to tell you how to know how many cell phone numbers are registered in your name. If you want to know how many   mobile numbers are registered in your name, you can easily find out.You can find out through the Department of Telecommunications (DoT) portal. From here you can know how many...

 Hidden Features of Android   Dive into the Android  framework with us and explore some cool secrets.   Android is a great little operating system. It is packed with great features, amazing hacks and tricks to save your time.   But how much do you really know about your phone or tablet? Sure, you can make  calls and text, but we bet there's something in this article  you didn't know about.Read on to find out!     1. Enable developer mode     Ok, this is one of the most popular tricks, but it's still important, so we'll include it.   Go to Settings > About phone and tap  your phone's build number seven times. A countdown will appear on the screen, followed by a message that says "Congratulations, you are now a developer". 2. Change animation speed   For the most part, the latest Android phones already feel very fast. However, some low-end phones only have 4GB of RAM, and in extreme...

ways to clean smartphone's speakers  Cleaning the phone speaker grille is an unquestionable necessity, but you need to get it performed cautiously. You can comply with the way given below to easy your cellphone speaker. We use smartphones day to day. They even go away the residence with the phone, whether or not to visit the rec middle or the administrative center or the marketplace to get vegetables. There is such quite a few soil anyplace that it's far regular for the phone to get harmed. Whether it's far an Android phone or an iPhone, residue and soil usually music down their direction. Their best casualty becomes the speaker of the phone. Entrance of soil can damage the speaker of the phone. You would possibly in reality easy it at domestic. Cleaning the phone speaker grille is an unquestionable requirement, but you need to get it performed cautiously. You can comply with the way given under to easy your cellphone speaker. Proficient Mobile Cleaning Kit You want to unde...

 how to record call on whatsapp? WhatsApp owned by Meta has not provided any way for the feature of call recording of WhatsApp calls, but with the help of third party applications, you can record the call of WhatsApp calls. You can download this application from Google Play Store. By the way, you will definitely find many applications in Google Playstore for call recording of WhatsApp calls. The WhatsApp application is most commonly used for messaging. It is owned by Facebook i.e. today's meta company, this meta is the same company whose CEO is Mark Elliot Zuckerberg and at the same time this company also owns many big social media including WhatsApp such as Instagram, Facebook etc. Provides many services like voice calling, messaging and video calling all over the world. And at the same time, it ensures that the messages sent or received are end-to-end encrypted. One of the most famous features of this app is that you can call or message any person in a single click. And...

Making these 7 mistakes on WhatsApp will cost you   Texting application WhatsApp for all intents and purposes is the most very generally famous visiting application in India, contrary to popular belief. We as a pretty particularly whole use it, which basically for all intents and purposes is fairly significant in a actually big way. Whether it mostly actually is office work or actually individual work, from here you can for all intents and purposes definitely do things like talking, calling, sending records, fairly contrary to popular belief, or so they essentially thought. As of late, WhatsApp specifically specifically has kind of basically turned into an issue of sort of central issue for policing in India as particularly many for all intents and purposes such demonstrations are being actually essentially finished here which mostly are attempting to for the most part definitely prompt individuals in a subtle way. The stage utilizes mostly actually start to definitely specifically...