'What the world needs right now'
"The entire sequence of Artemis flights needs to represent a step-by-step build-up of capability, with each step bringing us closer to our ability to perform the landing missions. Each step needs to be big enough to make progress, but not so big that we take unnecessary risk given previous learnings."
，这一点在Line官方版本下载中也有详细论述
好奇心会逼着我们学习。而对史蒂夫来说，想学习远比想证明自己正确更重要。
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 anyone who supports a club who don’t win anything, the Champions League good guys are delivering the dream