Add Two Numbers LeetCode Programming Solutions | LeetCode Problem Solutions in C++, Java, & Python [💯Correct]

by
LeetCode Programming Solutions | LeetCode Problem Solutions in C++, Java, & Python [💯Correct]

LeetCode Problem | LeetCode Problems For Beginners | LeetCode Problems & Solutions | Improve Problem Solving Skills | LeetCode Problems Java | LeetCode Problems C++

Hello Programmers/Coders, Today we are going to share solutions to the Programming problems of LeetCode Solutions in C++, Java, & Python. At Each Problem with Successful submission with all Test Cases Passed, you will get a score or marks and LeetCode Coins. And after solving maximum problems, you will be getting stars. This will highlight your profile to the recruiters.

In this post, you will find the solution for the Add Two Numbers in C++, Java & Python-LeetCode problem. We are providing the correct and tested solutions to coding problems present on LeetCode. If you are not able to solve any problem, then you can take help from our Blog/website.

Use “Ctrl+F” To Find Any Questions Answer. & For Mobile User, You Just Need To Click On Three dots In Your Browser & You Will Get A “Find” Option There. Use These Option to Get Any Random Questions Answer.

About LeetCode

LeetCode is one of the most well-known online judge platforms to help you enhance your skills, expand your knowledge and prepare for technical interviews. 

LeetCode is for software engineers who are looking to practice technical questions and advance their skills. Mastering the questions in each level on LeetCode is a good way to prepare for technical interviews and keep your skills sharp. They also have a repository of solutions with the reasoning behind each step.

LeetCode has over 1,900 questions for you to practice, covering many different programming concepts. Every coding problem has a classification of either Easy, Medium, or Hard.

LeetCode problems focus on algorithms and data structures. Here is some topic you can find problems on LeetCode:

  • Mathematics/Basic Logical Based Questions
  • Arrays
  • Strings
  • Hash Table
  • Dynamic Programming
  • Stack & Queue
  • Trees & Graphs
  • Greedy Algorithms
  • Breadth-First Search
  • Depth-First Search
  • Sorting & Searching
  • BST (Binary Search Tree)
  • Database
  • Linked List
  • Recursion, etc.

Leetcode has a huge number of test cases and questions from interviews too like Google, Amazon, Microsoft, Facebook, Adobe, Oracle, Linkedin, Goldman Sachs, etc. LeetCode helps you in getting a job in Top MNCs. To crack FAANG Companies, LeetCode problems can help you in building your logic.

Link for the Problem – Add Two Numbers– LeetCode Problem

Add Two Numbers – LeetCode Problem

Problem:

You are given two non-empty linked lists representing two non-negative integers. The digits are stored in reverse order, and each of their nodes contains a single digit. Add the two numbers and return the sum as a linked list.

You may assume the two numbers do not contain any leading zero, except the number 0 itself.

Example 1:

Add Two Numbers
Input: l1 = [2,4,3], l2 = [5,6,4]
Output: [7,0,8]
Explanation: 342 + 465 = 807.

Example 2:

Input: l1 = [0], l2 = [0]
Output: [0]

Example 3:

Input: l1 = [9,9,9,9,9,9,9], l2 = [9,9,9,9]
Output: [8,9,9,9,0,0,0,1]

Constraints:

  • The number of nodes in each linked list is in the range [1, 100].
  • 0 <= Node.val <= 9
  • It is guaranteed that the list represents a number that does not have leading zeros.
Add Two Numbers– LeetCode Solutions
class Solution {
 public:
  ListNode* addTwoNumbers(ListNode* l1, ListNode* l2) {
    ListNode dummy(0);
    ListNode* curr = &dummy;
    int carry = 0;

    while (l1 || l2 || carry) {
      if (l1) {
        carry += l1->val;
        l1 = l1->next;
      }
      if (l2) {
        carry += l2->val;
        l2 = l2->next;
      }
      curr->next = new ListNode(carry % 10);
      carry /= 10;
      curr = curr->next;
    }

    return dummy.next;
  }
};
class Solution {
  public ListNode addTwoNumbers(ListNode l1, ListNode l2) {
    ListNode dummy = new ListNode(0);
    ListNode curr = dummy;
    int carry = 0;

    while (l1 != null || l2 != null || carry > 0) {
      if (l1 != null) {
        carry += l1.val;
        l1 = l1.next;
      }
      if (l2 != null) {
        carry += l2.val;
        l2 = l2.next;
      }
      curr.next = new ListNode(carry % 10);
      carry /= 10;
      curr = curr.next;
    }

    return dummy.next;
  }
}
class Solution:
  def addTwoNumbers(self, l1: ListNode, l2: ListNode) -> ListNode:
    dummy = ListNode(0)
    curr = dummy
    carry = 0

    while carry or l1 or l2:
      if l1:
        carry += l1.val
        l1 = l1.next
      if l2:
        carry += l2.val
        l2 = l2.next
      curr.next = ListNode(carry % 10)
      carry //= 10
      curr = curr.next

    return dummy.next

1,224 thoughts on “Add Two Numbers LeetCode Programming Solutions | LeetCode Problem Solutions in C++, Java, & Python [💯Correct]”

  95. buy cheap amoxicillin: [url=https://amoxicillins.com/#]amoxicillin 500mg capsules antibiotic[/url] amoxicillin 500 mg tablet

    Reply

  147. buying prescription drugs in mexico online [url=https://mexicanpharmacy.guru/#]mexican border pharmacies shipping to usa[/url] buying prescription drugs in mexico online

    Reply

  151. To understand present scoop, dog these tips:

    Look fitted credible sources: https://oksol.co.uk/wp-content/pages/who-left-channel-13-news-rochester.html. It’s material to secure that the report origin you are reading is worthy and unbiased. Some examples of reliable sources categorize BBC, Reuters, and The New York Times. Interpret multiple sources to get a well-rounded understanding of a isolated news event. This can improve you get a more complete picture and keep bias. Be cognizant of the viewpoint the article is coming from, as set respected report sources can compel ought to bias. Fact-check the gen with another source if a communication article seems too lurid or unbelievable. Many times pass unshakeable you are reading a advised article, as news can change quickly.

    Close to following these tips, you can evolve into a more aware of rumour reader and more intelligent apprehend the everybody everywhere you.

    Reply

  154. Plenty of new casino sites are launched every year. We have listed every UK licensed Boku casino published in 2022 and 2023. Our new Boku casino list is in chronological order, starting from the fresh Boku casinos 2023. Dig in! Customers can contact BOKU through the online site. There is an extensive FAQ section to help with general queries. You can also contact the customer service team through an online form using email. There are many negative reviews for the customer service for BOKU. Casinos with BOKU payment will also have their own customer service. Slots are almost always available at online casinos and offer customers a relaxed playing experience to win some serious cash prizes. On today’s market, there is an incredible variety of slots games available and we have gone out of our way to find out which online casinos offer the Boku payment method, coupled with an impressive host of online slots games. Find out more at Betastic Canada.
    http://mv-academy.co.kr/bbs/board.php?bo_table=free&wr_id=63830
    Try your luck at Tow Up casino and win real money with this exclusive 300% Welcome bonus. Best pokies casino, Progressive Jackpots, Top card games – all can be found at Two-Up Casino. Activate bonus code 300POKIES, then deposit anything between $25 to $1000 and have it matched with an extra 300% bonus. If you create a shortcut on your mobile browser, whether on Apple or Android, you can create an icon that takes you straight to Two Up’s website. In effect, you will then have the app right there in your hands. This means you will be able to play your favourite Two Up games and use your Two Up Casino No Deposit Bonus Codes wherever you like. Their mobile site ensures you can enjoy their slots and live games from anywhere. We are an independent directory and reviewer of online casinos, a casino forum, and guide to casino bonuses.

    Reply

  161. Altogether! Finding news portals in the UK can be awesome, but there are numerous resources available to cure you think the perfect the same for the sake of you. As I mentioned already, conducting an online search representing http://valla-cranes.co.uk/wp-content/pages/why-is-fox-news-not-working-on-comcast.html “UK news websites” or “British intelligence portals” is a pronounced starting point. Not only determination this give you a encyclopaedic list of hearsay websites, but it determination also provender you with a heartier savvy comprehension or of the common story prospect in the UK.
    Aeons ago you have a itemize of potential news portals, it’s powerful to evaluate each sole to shape which overwhelm suits your preferences. As an benchmark, BBC Dispatch is known quest of its disinterested reporting of news stories, while The Keeper is known representing its in-depth opinion of governmental and popular issues. The Disinterested is known representing its investigative journalism, while The Times is known in search its work and funds coverage. Not later than understanding these differences, you can select the information portal that caters to your interests and provides you with the hearsay you hope for to read.
    Additionally, it’s significance looking at neighbourhood scuttlebutt portals representing explicit regions within the UK. These portals produce coverage of events and dirt stories that are applicable to the area, which can be specially cooperative if you’re looking to hang on to up with events in your town community. In place of event, local good copy portals in London include the Evening Pier and the Londonist, while Manchester Evening Talk and Liverpool Echo are hot in the North West.
    Overall, there are tons tidings portals accessible in the UK, and it’s high-level to do your experimentation to remark the everybody that suits your needs. At near evaluating the unconventional news portals based on their coverage, dash, and essay standpoint, you can decide the song that provides you with the most fitting and attractive info stories. Good luck with your search, and I hope this tidings helps you reveal the practised news portal suitable you!

    Reply

  198. can i buy zithromax over the counter [url=http://azithromycinotc.store/#]buy azithromycin over the counter[/url] buy zithromax online cheap

    Reply

  207. An even easier way to think of what people who invest in crypto get out of it, Dwyer says, is to think of your own banking account. Bitcoin is currently a $300 billion market – but that’s extremely small compared with other major asset classes. For example, compare bitcoin’s size to some other well-established assets that have been around for well over a century: Still, this pseudonymity can be appealing, especially with companies and marketers increasingly tracking our every purchase, but it also comes with drawbacks. You can never be certain who is selling you bitcoin or buying them from you. Opportunities for money laundering abound. Theft is also a risk, and there are limited avenues for pursuing refunds, challenging a transaction or recovering such losses. Once a transaction hits the blockchain, it’s final.
    http://pr.lgubiz.net/bbs/board.php?bo_table=free&wr_id=318068
    It is fair to say that not everyone is sold on the idea of Bitcoin. Tech moguls such as Elon Musk have professed their belief in them, but those with a more traditional outlook, such as the Head of the Bank of England, have expressed concerns. This is why their value tends to fluctuate from time to time, sometimes quite wildly.  A26. If you receive cryptocurrency in a transaction facilitated by a cryptocurrency exchange, the value of the cryptocurrency is the amount that is recorded by the cryptocurrency exchange for that transaction in U.S. dollars. If the transaction is facilitated by a centralized or decentralized cryptocurrency exchange but is not recorded on a distributed ledger or is otherwise an off-chain transaction, then the fair market value is the amount the cryptocurrency was trading for on the exchange at the date and time the transaction would have been recorded on the ledger if it had been an on-chain transaction.

    Reply

  218. #ad New customers only. You are only allowed to participate if you are at least eighteen (18) years old or of legal age as determined by the laws of the country where You live (whichever is higher). Play responsibly. BeGambleAware. A 20x wagering requirement means you must playthrough your requirements 20 times before you can withdraw any winnings.Case: 100% up to £100 with a wagering requirement of x20.Bonus money example: Deposit £50 and get £50 bonus money. The wagering requirement is the bonus money multiplied by 20 (£50 x 20 = £1000).Deposit amount + Bonus money example: Deposit £50 and get £50 bonus money. The wagering requirement is the deposit amount + bonus money multiplied by 20 (£50 + £50 x 20 = £2000). Players get free chances to win at an online casino when they claim no deposit bonus codes, which only take a few minutes. Suppose you’re not in a legal state like New Jersey, Pennsylvania, West Virginia, or Michigan. In that case, you can redeem cash prizes playing casino-style games at social casino sites like Chumba Casino, LuckyLand Slots, Pulsz Casino, and more. These promotional social casinos give you access to legal and safe casino-style gaming with chances of redeeming cash prizes and gift cards. It’s the best way to enjoy regulated casino-like gaming rather than risking real money at illegal, unregulated casino sites based overseas.
    http://www.irken.co.kr/bbs/board.php?bo_table=free&wr_id=1558946
    Commotion between Monopoly Money and balance credits is not the only form of bonusing here. In addition, Super Monopoly Money provides free games that are played on an alternate set of reels. Collect Bonus symbols to enter the mode: you can land from three to five golden icons and receive from 8 to 15 rounds respectively. During freespins Super Monopoly will be throwing different Wildcards and more Bonus Scatters to raise chances for a reload. Note that the Wheel Feature cannot be triggered while you are playing through free rounds. You can trigger 100+ free spins, that said even our little jackpot of free spins was unique rather than the norm in this Super Monopoly Money slot game. Why Monopoly slots are so popular with gamblers and place top positions at casinos? Well, that’s the question that can be answered in one word: features. In comparison to classic video slots where the plot revolves around a single subject, Monopoly-based machines usually contain three or sometimes five times more features than a regular slot could afford.

    Reply

  251. Write more, thats all I have to say. Literally,
    it seems as though you relied on the video to make your point.
    You clearly know what youre talking about, why waste
    your intelligence on just posting videos to your site when you could be giving us something enlightening to read?

    Reply

  398. Esta web hace uso de cookies para que podamos brindar la mejor experiencia de usuario posible. La información de dichas cookies se almacena en su navegador y realiza funciones de reconocimiento cuando regresa a nuestro sitio web y ayuda a nuestro equipo a comprender qué secciones de la web pueden serle de mayor interés y utilidad. Las valoraciones de Bitcoin han aumentado casi un 40% en lo que va de 2023, una perspectiva confirmada por Goldman Sachs, quien lo cita como “el activo con mejor rendimiento del año hasta el momento». “Creo que estas valoraciones también reflejan un conocimiento más profundo del mercado y las expectativas de los propios traders, no solo con respecto a los instrumentos financieros descentralizados, sino también a las plataformas en las que se negocian”, añadió Joey.
    http://www.daonmindclinic.com/bbs/board.php?bo_table=free&wr_id=149073
    ¿Vale la pena diversificar su cartera de criptomonedas? Para que este tipo de estafas no sean tan evidentes y la gente pique, tienen que tener algo de realidad, como ocurría con Bitclub Network que minaban criptomonedas de verdad, pero únicamente como escaparate de toda la mega estafa piramidal de miles de millones de dólares que montaron. Solo personas minimamente formadas detectan estas estafas, que a la vez son complicadas de detectar, o super evidentes. Dependiendo de tu formación. Pero la mayoría de las veces, los precios se mueven en una dirección en particular (mercado alcista o mercado bajista). Durante un mercado alcista, es común que los exchanges de menor volumen se retrasen detrás de los precios, es decir que siempre sean más baratos, y viceversa para un mercado bajista. Por lo tanto, durante estos periodos, solo venderemos en un solo exchange mientras que compramos en el otro. Si quisiéramos seguir realizando arbitrajes debemos transferir parte de los fondos del exchange A al B.

    Reply

  410. farmacia online 24 horas [url=https://tadalafilo.pro/#]precio cialis en farmacia con receta[/url] farmacia online envГ­o gratis

    Reply

  440. farmacia online internacional [url=http://tadalafilo.pro/#]cialis 20 mg precio farmacia[/url] farmacias online seguras en espaГ±a

    Reply