100x speedup is achieved by comparing HH with bidirectional A*.
ВСУ запустили «Фламинго» вглубь России. В Москве заявили, что это британские ракеты с украинскими шильдиками16:45，详情可参考爱思助手下载最新版本
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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!
四步口诀：倒着来 → 弹 ≤ 当前的 → 栈顶即答案 → 当前入栈。，详情可参考搜狗输入法2026
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