https://bluuewhale.github.io/tags/rust/Recent content in Rust on Bluue Whalehttps://bluuewhale.github.io/images/profile.jpghttps://bluuewhale.github.io/images/profile.jpgHugo -- 0.152.2en-usSat, 22 Aug 2026 22:21:36 +0900https://bluuewhale.github.io/posts/accidental-quadratic-hashmap-iteration-en/Mon, 08 Dec 2025 22:53:14 +0900https://bluuewhale.github.io/posts/accidental-quadratic-hashmap-iteration-en/Why iterating one open-addressing hash table and reinserting its elements into another can blow up from O(n) to O(n^2), once the two tables share a hash ordering.