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In this article we will understand the approach of the reverse Node with Kth Group. This is a Linkedlist hard question. We will solve it through javascript and see the logic. Code var getKthNode = function(curr, k){ while(curr && k>0){ cu...

In our last few articles, we watched Afrid, Piyush, and Hitesh learn how to save their code using Git commands. They know how to drive the car, but they don't know how the engine works. Today, we are going to open the hood. Have you ever wondered: Wh...

🗓️ Date: January 9, 2026📌 Challenge:🧩 Problem: Intersection of Two Linked Lists – LeetCode #160 (Easy)💻 Topic: Two Pointer, Linked List ✅ Problem Statement (Summary): Goal: Given the heads of two singly linked lists headA and headB, return the n...

🗓️ Date: January 8, 2026📌 Challenge:🧩 Problem 1: Linked List Cycle – LeetCode #141 (Easy)🧩 Problem 2: Middle of the Linked List – LeetCode #876 (Easy)💻 Topic: Two Pointer, Linked List, Fast & Slow Pointer ✅ Problem Statement (Summary): 🔹 Probl...
