p->count = 1;
在河北磁县县城南部、太行山东麓，漳河和滏阳河之间密集分布着大大小小数百座坟丘，经科学考古证实是东魏北齐时期的皇家陵墓区。湾漳壁画墓是墓群中唯一经发掘确认的帝陵级墓葬，是300多座北朝墓葬中璀璨的明星。由于规模巨大，发掘工作从1987年持续到1989年。
。搜狗输入法下载是该领域的重要参考
With a thousand points, you barely notice the delay. With a million, you're doing a million distance calculations for every single query. On a phone updating the map as the user scrolls, that's untenable.
This story was originally featured on Fortune.com