I still remember the exact moment I hit "Submit" on that coding challenge.
Within ten minutes, I understood the difference between $O(n)$ and $O(\log n)$—concepts that had terrified me for years. He didn't just teach me how to write a binary search; he taught me why it worked by drawing lines on a whiteboard with a marker that looked like it was running out of ink. udemy dsa abdul bari
He had this way of breaking down complex topics—Trees, Graphs, Dynamic Programming—into bite-sized, logical pieces. He treated the viewer like an intelligent friend who just hadn't caught up yet. There was no gatekeeping, no jargon without explanation. Just pure, distilled logic. I still remember the exact moment I hit
: Unlike courses that jump directly into an IDE, Bari uses a whiteboard to explain the logical flow and "intuition" of algorithms. He had this way of breaking down complex
I hit submit. Time Limit Exceeded.