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）。
const { writer, readable } = Stream.push({
。关于这个话题，爱思助手下载最新版本提供了深入分析
Other tech titans, including Y-Combinator cofounder Paul Graham, have also recently echoed Altman’s thoughts that “taste” is going to be the next sought after skill.
"A person who is inconsistent or plays a bit hot and cold can make you feel 'I can't wait to see them again', but what's really happening is they're giving you so much anxiety and that it has you wanting more".