navigation switch
Home
Contests
Notification
Clarification
Problems
Ranklist
Status
HackStatus
Problem 1003
n，q和r里面的r是什么。。
doubility
| 2015-08-08 19:15:32
Author
rt
admin
| 2015-08-08 19:15:59
# 1
r是初始高度，不好意思
r是初始高度，不好意思
Title
Content
