We wanted a scenario where, say, 5 well-placed border points could efficiently represent an area with 5,000 internal points and 10,000 road edges. This would reduce those 10,000 edges to just 5*4/2 = 10 shortcuts for routing through that cluster at a high level – an incredible 1:1000 point ratio and a 30x reduction in edges to consider for the high-level path!
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。关于这个话题，WPS下载最新地址提供了深入分析
// 2. 维护单调递减栈：弹出所有≤当前价格的索引（这些索引对应的价格无法成为后续价格的「上一个更大值」），更多细节参见下载安装 谷歌浏览器 开启极速安全的 上网之旅。
Rolling out this week, WIRED’s journalistic commissions on technological decommissions—from broken-down electric cars to falling-down space stations.