导航切换
HZNUOJ
ProblemSet
Contests
F.A.Q
Others
Programming Fundamentals
Donation
KeyWords
Login
Login
Hide Tag
Problems
Status
Standings
薛菜菜的和和和和和
Tags:
Time Limit:
2 s
Memory Limit:
2048 MB
Submission：
272
AC：
22
Score：
99.18
Submit
Codes
Description
upload/2571.pdf
Author
PAN, Lyuzhi
Submit
Codes