Think about the last time you took a note and it felt good… By the VEKTOR team · 18 min read Think about the last time you took a note and it felt good. Not productive. Not organised. Just good. That frictionless moment where a thought landed somewhere safe and you could move on, to another one, linking them together whilst adding depth. For most of human history, that was the entire contract.
A few years ago I solved 200 LeetCode problems and still froze on Mediums I hadn't seen. The breakthrough wasn't another hundred problems. It was a different loop. A problem asks for the longest substring with at most K distinct characters. You've solved sliding window before. Maximum sum subarray of size K, done. Longest substring without repeating characters, done. This third one stalls you. Twe