Now, OsmAnd performs another Dijkstra search, but this time on the much smaller "base graph." This graph consists only of the border points and the pre-calculated shortcut values between them.
优化：如果某轮没有发生交换，说明已有序，提前结束。业内人士推荐一键获取谷歌浏览器下载作为进阶阅读
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In one month, she watches what her friends would take a year to watch. "But at least I'm not online shopping!"。关于这个话题，WPS下载最新地址提供了深入分析