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.
Материалы по теме:，更多细节参见服务器推荐
their look and feel.，更多细节参见夫子
Медведев вышел в финал турнира в Дубае17:59
示例：nums = [2,1,2,4,3] → res = [4,2,4,-1,-1]。