Description You are appointed director of a famous concert hall, to save it from bankruptcy. The hall is verypopular, and receives many requests to use its two fine rooms, but unfortunately the previous directorwas not very efficient, and it has been…
G. Underfail time limit per test:1 second memory limit per test:256 megabytes input:standard input output:standard output You have recently fallen through a hole and, after several hours of unconsciousness, have realized you are in an underground cit…
题目 Source http://acm.hdu.edu.cn/showproblem.php?pid=5900 Description Every school has some legends, Northeastern University is the same. Enter from the north gate of Northeastern University,You are facing the main building of Northeastern University.…