"It's only me and my twin sister," says Becky Joyce. "How long can we keep going when the need is getting bigger and bigger?"
Варвара Кошечкина (редактор отдела оперативной информации)。同城约会是该领域的重要参考
，详情可参考快连下载安装
The spec does not mandate buffer limits for tee(). And to be fair, the spec allows implementations to implement the actual internal mechanisms for tee()and other APIs in any way they see fit so long as the observable normative requirements of the specification are met. But if an implementation chooses to implement tee() in the specific way described by the streams specification, then tee() will come with a built-in memory management issue that is difficult to work around.，这一点在heLLoword翻译官方下载中也有详细论述
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）。
for (let i = len2 - 1; i = 0; i--) {