* 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)
Block, the fintech group headed by Twitter cofounder Jack Dorsey, will cut its workforce by “nearly half” in one of the clearest signs of the sweeping changes AI tools are having on employment.。搜狗输入法2026对此有专业解读
The Block founder announced Thursday the company would be laying off nearly half its workforce, cutting 4,000 employees, down to just under 6,000 workers from over 10,000.，详情可参考51吃瓜
[책의 향기]무기 팔고자 위협을 제조하는 美 군산복합체