const stack = []; // 单调栈：存储「右侧候选更大值」，栈内元素单调递增
* 核心思路：倒序单调栈（适配你的学习习惯），时间复杂度O(n)，空间复杂度O(n)
，更多细节参见搜狗输入法2026
elsewhere in my program.
Among the 19 people killed in the capital, Kathmandu, on 8 September last year was a teenager in school uniform, who had been walking away from the crowd when he was shot in the back of the head. Dozens more were injured.