LeetCode 2563 Count the Number of Fair Pairs | Two Pointers Trick You MUST Know! 🔥

🚀 LeetCode 2563 - Count the Number of Fair Pairs | Efficient Two Pointer Approach

In this video, we break down an optimized solution using sorting + two pointers to count valid index pairs with sum in a given range.
If you're preparing for coding interviews, this pattern is a must-know!

👨‍💻 What You’ll Learn:
* Brute-force vs optimized approach
* Two pointer technique on a sorted array
* Efficient range sum pair counting
* Clean and dry-run friendly Java implementation

🧠 Key Concepts:
* Two Pointer Technique
* Efficient Pair Counting
* Sorting for Simplified Traversal

⏱ Time Complexity: O(n log n)


🔗 Resources & Links:

Code Harmony Website: https://codeharmony.dev/

WhatsApp Channel: https://whatsapp.com/channel/0029Va8WpdlI1rchTrZU2O0l

Telegram Group: https://t.me/+4z-BZ2HuwHBmZDdl

Discord Server: https://discord.gg/p3vtnzFbn5


Link to My Solution: https://leetcode.com/problems/count-the-number-of-fair-pairs/solutions/6665589/easy-to-understand-two-pointers-100-fast-3453

Related problems : https://youtu.be/l8DxsxO9q7g

Connect with Me on LinkedIn: https://www.linkedin.com/in/sahil1012/

📌 Video Overview:
Dive deep into the solution for the LeetCode challenge titled '2563: Count the Number of Fair Pairs'. Whether you're kickstarting your coding journey or aiming for roles at tech giants like Facebook, Amazon, Apple, Netflix, or Google, this tutorial is tailored for you. We'll break down the problem step-by-step, ensuring clarity and understanding.

🌟 Key Highlights:
A comprehensive walkthrough of the problem statement.
An intuitive explanation for both novice and intermediate coders.
Practical insights for acing interviews with top tech companies.
Code walkthrough to grasp the algorithmic approach.

📌 Chapters:
00:00 Understanding Problem Statement
03:18 LeetCode 2824. Count Pairs Whose Sum is Less than Target | SubProblem
09:16 Pseudo Code
11:58 Final Logic
15:07 Alternate approach quick discussion
16:19 Coding

Join me on this coding adventure! Let's learn, grow, and conquer challenges together. 🔥



#dsa #codingtutorials #ProblemSolving #TechSkills #datastructures #algorithm #dsa #leetcode #leetcodesolution #googleinterview #google #amazon #adobe #developerjobs #codeharmonylab #codeharmony #intuitive #leetcodemedium #neetcode #java #simulation #string #scaler #array #search #leetcodedaily #matrix #microsoftinterviewquestion #googleinterviewquestion #adobeinterviewquestion #leetcodedpsolution
#amazoninterviewquestion #appleinterviewquestion #adobeinterviewquestion #Googleinterviewquestion #metainterviewquestion
#LeetCode
#array #twopointers #sorting #binarysearch