Hash on Jeanphilo Bloghttps://shio-chan-dev.github.io/jeanblog/tags/hash/Recent content in Hash on Jeanphilo BlogHugo -- 0.159.2en-usMon, 09 Feb 2026 09:26:37 +0800Hot100: Intersection of Two Linked Lists Two-Pointer Switch-Head O(1) Space ACERS Guidehttps://shio-chan-dev.github.io/jeanblog/alg/leetcode/hot100/160-intersection-of-two-linked-lists/Mon, 09 Feb 2026 09:26:37 +0800https://shio-chan-dev.github.io/jeanblog/alg/leetcode/hot100/160-intersection-of-two-linked-lists/Find the intersection node of two singly linked lists without modifying structure: two pointers switching heads synchronize in O(m+n) time and O(1) extra space, with derivation, engineering mapping, and multi-language implementations.