The Quest Begins (The “Why”) I still remember the first time I stared at a binary tree problem and felt my brain short‑circuit. The prompt asked me to compute the sum of all node values. I’d written a neat little for loop for arrays before, but trees?
Source: [Dev.to](https://dev.to/timevolt/recursion-vs-iteration-choosing-your-path-like-neo-in-the-matrix-2apm)