while (stack.length && stack.at(-1) <= cur) {
Explicit backpressure policies
，更多细节参见51吃瓜
Well, yes, because that was the state of technology in the 1930s. But it would
res = res.slice(0, res.length - k);
It is the 14th strike since the long-running dispute began in March 2023, and follows an earlier five-day walkout in mid-November.