If you do leave the chat, should you say farewell?
Shortcut Pre-calculation: For the most commonly used speed profiles, the travel costs (time/distance) for shortcuts between border points within each cluster are pre-calculated and stored. (Each border point effectively has an "entry" and "exit" aspect for directed travel).
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3. 步长逐渐减小，最后步长为1时就是普通插入排序
第六十六条 煽动、策划非法集会、游行、示威，不听劝阻的，处十日以上十五日以下拘留。