(double)(end - start) / CLOCKS_PER_SEC * 1000,
How to prepare for storms and cope with bad weather，这一点在im钱包官方下载中也有详细论述
Bill Gurley says that right now, the worst thing you can do for your career is play it safe，这一点在搜狗输入法下载中也有详细论述
Flexibility Clash: CH typically pre-calculates optimal paths. Supporting OsmAnd's 10+ routing parameters (leading to over 1024 combinations per profile!) would be impossible with standard CH.
思路：单调递减栈，找「上一个比当前价格大的元素索引」。正序遍历，弹出所有 ≤ 当前价格的索引；跨度 = 当前索引 - 栈顶索引（栈空则为 当前索引 + 1）。