Contest Clarifications

fcxxzux | 2014-10-05 19:09:07Author

-0 : Legal or not?

njust_skt | 2014-10-05 19:09:57# 1

RE:-0 : Legal or not?

同问

admin | 2014-10-05 19:10:43# 2

RE:-0 : Legal or not?

Please read the problem carefully

su03121231 | 2014-10-05 19:21:15# 3

RE:-0 : Legal or not?

题目没有说明白啊

admin | 2014-10-05 19:23:36# 4

RE:-0 : Legal or not?

illegal

su03121231 | 2014-10-05 19:28:15# 5

RE:-0 : Legal or not?

thank u~~