Contest Clarifications

Problem 1002 empty string？怎么输入

Apolloliu | 2014-10-05 19:55:44Author

rt

admin | 2014-10-05 19:57:17# 1

RE:empty string？怎么输入

You can baidu or ask your teacher.

creat2012 | 2014-10-05 19:58:48# 2

RE:empty string？怎么输入

thank you.

zhangxipeng | 2014-10-05 19:59:38# 3

RE:empty string？怎么输入

+1