// 易错点1：条件写反（比如写成cur）→ 栈逻辑完全错误，无法找到上一个更大值
Shortcuts: For common scenarios, we pre-calculate the travel time/distance (the "shortcut") between border points within the same cluster and also to border points of immediately adjacent clusters.
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Раскрыты подробности о договорных матчах в российском футболе18:01
int bucketSize = 0;