摘要：
链接 ：http://acm.hdu.edu.cn/showproblem.php?pid=1008本题为一道简单的数学题没什么难的 ；但还是要注意Problem DescriptionThe 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 the elevator will stop, in specified order. It costs 6 seconds to 阅读全文
