// promise to either yield a chunk of data or indicate we're
Source: Computational Materials Science, Volume 266，更多细节参见heLLoword翻译官方下载
Pokémon Red and Pokémon Blue Game Music Collection is a small music player jukebox that looks like a mini old-school Game Boy. The jukebox plays all 45 songs from the original Pokémon Red and Pokémon Blue games. Users choose their songs by just swapping out cartridges that look like Pokémon games.。关于这个话题，旺商聊官方下载提供了深入分析
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)。