Pointers in C with Types and Examples

Naman Pal on Instagram: "Most people get this wrong in interviews 😯 👉 Question: How do you detect a cycle in a linked list? In this reel, we start with the simple HashSet approach — where we track visited nodes, but notice how it takes extra space O(n) Then comes the optimized trick — the Floyd’s Cycle Detection Algorithm (Tortoise & Hare Method) No extra space, just smart pointer movement logic This one’s not just about coding — it’s about how you think. Because interviews test