Oct 11, 2026Oct 11, 2026 · 3 min read · 1 viewBinary search without the off-by-one guessworkBinary search is easy to explain and easy to get wrong. left <= right or left < right? mid or mid + 1? Return left or right? Here's my first attempt at LeetCode 981: Time Based Key-Value Store, which 3 min read · 1 view
