Hurdle Word 5 answerSKIER
The 80286 introduced "Protected Mode" in 1982. It was not popular. The mode was difficult to use, lacked paging, and offered no way to return to real mode without a hardware reset. The 80386, arriving three years later, made protection usable -- adding paging, a flat 32-bit address space, per-page User/Supervisor control, and Virtual 8086 mode so that DOS programs could run inside a protected multitasking system. These features made possible Windows 3.0, OS/2, and early Linux.
。关于这个话题，safew官方版本下载提供了深入分析
Yellow: Sub out
Push 100KB chunks，更多细节参见搜狗输入法2026
At capacity 1, every point gets its own cell, and the tree subdivides as deeply as possible. At capacity 10, many points coexist in the same node, and the tree stays shallow.
优势：时间复杂度O(d*(n+k))，d为位数，适合位数少的整数。关于这个话题，Line官方版本下载提供了深入分析