思路：倒序单调栈。弹出所有 ≤ 当前身高的元素（这些人都能被看到），count 为弹出数量；若栈非空，还能看到栈顶（第一个更高的人），故 +1。能看到的人数 = count + (栈非空 ? 1 : 0)。
Let’s now imagine that the station is depressurized and, for the first time in decades, empty, operated entirely via computers and remote control. First, NASA and its partners must accept the need to deorbit—there’s no going back to save the ISS. This could be complicated: 23 countries in the European Space Agency, as well as Japan and Canada, are involved in the ISS partnership. And then there’s Russia. The Russians have committed to supporting the ISS only until 2028. But they did agree to help NASA in a contingency deorbit situation.
Meanwhile, families of all the victims are waiting for justice. Shreeyam's mother, Karki, says she has not been able to cry.，这一点在服务器推荐中也有详细论述
Фото: Yanya / Shutterstock / Fotodom，详情可参考搜狗输入法2026
Nature staff discuss some of the week’s top science news.
Бывшую американскую актрису Меган Маркл раскритиковали в сети из-за мятой одежды на встрече с беженцами. Материал приводит Daily Mail.。业内人士推荐heLLoword翻译官方下载作为进阶阅读