1008. Elevator (20) 时间限制 400 ms 内存限制 65536 kB 代码长度限制 16000 B The highest building in our city has only one elevator. A request list is made up with N positive numbers. The numbers denote at which floors 在我们城市最高的建筑只有一部电梯.一个请求的列表由N个正整数组成.这些数字代表 the ele…