5. As a final step, I copied the repository in /tmp, removed the “.git” repository files completely, started a new Claude Code (and Codex) session and claimed that the implementation was likely stolen or too strongly inspired from somebody else's work. The task was to check with all the major Z80 implementations if there was evidence of theft. The agents (both Codex and Claude Code), after extensive search, were not able to find any evidence of copyright issues. The only similar parts were about well established emulation patterns and things that are Z80 specific and can’t be made differently, the implementation looked distinct from all the other implementations in a significant way.
The quadtree is the two-dimensional case of a broader family of space-partitioning data structures. Octrees extend the same idea to three dimensions (splitting cubes into eight children), KD-trees use alternating axis-aligned splits (splitting along x, then y, then x again), and R-trees group nearby objects into bounding rectangles. Each variant makes different tradeoffs between construction time, query speed, and update cost.
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无论你认为什么是“正确的事”，你无法通过拒绝现实来控制它。
剛退休的前高級公務員西瑪（Sima） 表示，她如今的收入是十年前的六倍，但以美元計價卻少了好幾倍。