The Quest Begins (The “Why”) I still remember the first time I stared at a whiteboard interview question that asked for the shortest number of moves a knight needs to reach a target square on a chessboard. My brain went into panic mode: “Do I try every possible path? Do I keep a visited set? Do I… recurse?” I felt like Neo in The Matrix before he sees the code—everything was a blur of green symbols and I had no clue which direction was “up”. That moment kicked off a mini‑odyssey: I dug into grap