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

by
LeetCode Programming Solution in C++, Java, & Python | LeetCode All Problem Solutions [Latest Update‼️]

LeetCode Problem | LeetCode Problems For Beginners | LeetCode Problems & Solutions | Improve Problem Solving Skills | LeetCode Problems Java | LeetCode Solutions in 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 Duplicate Emails 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 – Duplicate Emails– LeetCode Problem

Duplicate Emails– LeetCode Problem

Problem:

Table: Person

+-------------+---------+
| Column Name | Type    |
+-------------+---------+
| id          | int     |
| email       | varchar |
+-------------+---------+
id is the primary key column for this table.
Each row of this table contains an email. The emails will not contain uppercase letters.

Write an SQL query to report all the duplicate emails.

Return the result table in any order.

The query result format is in the following example.

Example 1:

Input: 
Person table:
+----+---------+
| id | email   |
+----+---------+
| 1  | a@b.com |
| 2  | c@d.com |
| 3  | a@b.com |
+----+---------+
Output: 
+---------+
| Email   |
+---------+
| a@b.com |
+---------+
Explanation: a@b.com is repeated two times.
Duplicate Emails– LeetCode Solutions
Duplicate Emails Solution in SQL:
# Write your MySQL query statement below
select distinct p1.Email
from Person p1, Person p2
where p1.Id <> p2.Id and p1.Email = p2.Email

45 thoughts on “Duplicate Emails LeetCode Programming Solutions | LeetCode Problem Solutions in C++, Java, & Python [💯Correct]”

  7. Pingback: หวยหุ้น ทำเงินแบบใหม่อิงดัชนีตลาดหุ้น
  8. Pingback: italian driver license
  11. Pingback: xo666
  14. Pingback: links
  15. Pingback: แผ่นซับเสียง
  16. Pingback: indovip gacor
  19. Pingback: sunwin
  20. Pingback: dee88
  22. Pingback: altogel slot
  23. Pingback: Kaufen ozempic online
  24. Pingback: ชักโครก
  25. Pingback: 86kub
  26. Pingback: avsubthai
  27. Pingback: ตกแต่งภายในหาดใหญ่
  40. Pingback: EndoliftX

  41. Hello there! Do you know if they make any plugins to help with Search
    Engine Optimization? I’m trying to get my blog to rank for some targeted keywords but I’m not seeing very good gains.
    If you know of any please share. Many thanks! You can read similar art here: Eco product

    Reply

  43. sugar defender ingredients Discovering Sugar Protector has been a game-changer for
    me, as I’ve always been vigilant concerning managing
    my blood sugar levels. I now feel equipped and positive in my capability
    to maintain healthy and balanced degrees, and my most current
    health checks have actually mirrored this progress. Having a trustworthy supplement to
    complement my a huge resource of comfort, and I’m genuinely grateful for the
    considerable distinction Sugar Defender has made in my overall well-being.

    Reply

Leave a Comment

Ads Blocker Image Powered by Code Help Pro

Ads Blocker Detected!!!

We have detected that you are using extensions to block ads. Please support us by disabling these ads blocker🙏.