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)。
Michigan are also No. 3 in the overall national rankings and looking to get back on a roll after Duke ended their 13-game winning streak last week. Illinois, ranked at No. 10, have traded wins and losses over the last month, but previously had a major winning streak of their own, with 12 consecutive Ws. Whatever happens, this is one of the most exciting college basketball fixtures this week.
。同城约会对此有专业解读
I have my Wind Down set for one hour, after which the Noise Mask begins. And man, that Forest Wind knocks me out. So far, I haven't found myself still up and staring at the ceiling by the time Brown Noise comes on. I've only been able to confirm that it is indeed working and switching to the Noise Mask because my cats regularly wake me up in the middle of the night, and it's been on each time that's happened. But aside from those instances where my head is being used as a springboard by the creatures that share my home, I've been sleeping pretty well through the night.
Владислав Уткин
丹期也表示，他很清楚中期選舉的影響，也警惕剩下三年多任期時間有限：「沙漏正慢慢流逝，時間正在被浪費。」