* 核心思路：单调递减栈（找「上一个比当前价格大的元素索引」），时间复杂度O(n)，空间复杂度O(n)
643 0 3 SHIFT DLY IN+D ; SIGMA = 3
。业内人士推荐同城约会作为进阶阅读
Walmart has agreed to pay $100m (£74.1m) to settle claims that it misled gig workers who signed up to deliver packages for the company about the pay and tips they would receive.，更多细节参见搜狗输入法下载
Жители Санкт-Петербурга устроили «крысогон»17:52
Paul said the residents felt they had no choice but to leave and hoped the council would approve the purchase.