navigation switch
Home
Contests
Notification
Clarification
Problems
Ranklist
Status
HackStatus
Problem 1004
问一组数据...
ziposcar
| 2016-02-06 20:30:02
Author
1 5 5 4 4 3 3结果会是多少啊?
sun_en_ze
| 2016-02-06 21:45:49
# 1
3
Title
Content