// 步骤3：遍历排序后的位置，用单调栈判断独立车队
这位与字节跳动张一鸣、美团王兴同乡的福建龙岩人，在胡润百富榜上早已是百亿身家，却始终保持着神秘色彩。他不接受采访、不参加论坛，极少在公开场合露面，唯有通过一份份上市公司公告，外界才能窥见其庞大的矿业帝国版图。
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Last year, Stirling Council announced a £750,000 investment in the park to make it "Scotland's leading sustainable outdoor events space."
The same is done for your target point within its own cluster (finding paths from all its border points to your actual destination).