Stop Watching Tutorials, Build a Real AI System Most students learn Machine Learning by predicting student marks or house prices. But the biggest question recruiters ask is: “Can you…
The “Mirror” Interview Challenge Imagine you are in a technical interview. The interviewer asks: “How do you check if a Singly Linked List reads the same forwards and backwards?” Your…
In our previous article, we learned how to find the Nth node from the back. But in technical interviews at companies like Amazon, Google, or TCS, the question usually goes…
In our previous chapters, we mastered moving forward through a Linked List. But what happens when a problem asks you to count from the back? Since a Singly Linked List…
Stop Learning, Build This PRO App Most students tell me: “Mahesh Sir, I know how to write a loop, but I don’t know how to build a software.” The difference…
In the previous challenge, we learned how to tell if we were stuck in a loop. But in LeetCode 142 (Linked List Cycle II), simply knowing you’re in a circle…
After mastering how to find the middle of a list, the next challenge is identifying if a list is “broken.” In a normal Linked List, you eventually hit None. But…
Stop Learning Linked List, Start Building a Real Project Have you ever completed multiple videos on Linked List—like insertion, deletion, traversal, searching, reversing—and still wondered: “Where do we actually use…
Stop Learning, Build This PRO App in 60 Minutes Have you ever finished a Python course, learned how to write loops and functions, but still felt stuck when asked to…
Finding the middle of a Linked List is one of the most important and frequently asked interview questions. It is also asked on LeetCode Problem 876 – Middle of the…
