// 易错点4：栈空时返回1而非i+1 → 仅i=0时正确，i0时（如i=3）会返回1而非4
笔者第一次看到豆包手机的演示视频，觉得很神奇 ，为什么豆包手机可以模拟人的操作呢 ？。业内人士推荐服务器推荐作为进阶阅读
"Astronauts are the calmest people on launch day. And I think... it feels that way because we're just so ready to fulfil the mission that we came here to do, that we've trained to do," she said.，更多细节参见Line官方版本下载
const stack = []; // 单调栈：存储「右侧候选更大值」，栈内元素单调递增，这一点在91视频中也有详细论述