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)。
故事取材自 2014 年轰动亚洲的真实考场作弊事件，聚焦天才学生小琳与学霸少年班克携手好友格蕾斯、富二代小巴共同策划并完成一场跨国作弊案。
，推荐阅读safew官方版本下载获取更多信息
As of Feb. 27, the Jackery Explorer 300 is on sale at Amazon. This is an incredibly lightweight, portable power option from Jackery that is perfect for carrying with you on outdoor trips. And right now it's down to its best-ever price, just $189 (down from $259).
Мощный удар Израиля по Ирану попал на видео09:41
Annually Standard: $1790/year