https://shio-chan-dev.github.io/jeanblog/tags/boundary-search/Recent content in Boundary Search on Jeanphilo BlogHugo -- 0.165.0en-usWed, 18 Mar 2026 13:49:55 +0800https://shio-chan-dev.github.io/jeanblog/alg/leetcode/binary-search/34-find-first-and-last-position-of-element-in-sorted-array/Wed, 18 Mar 2026 13:49:55 +0800https://shio-chan-dev.github.io/jeanblog/alg/leetcode/binary-search/34-find-first-and-last-position-of-element-in-sorted-array/Start from a linear-scan baseline, derive two half-open binary-search boundaries, and return the complete target range in O(log n) time.