UID: 63, Registered at 2022-9-10 0:01:51, last login at 2022-9-11 17:21:31, currently offline.
Solved 9 problems, RP: 86.8 (No. 43)
By signing up a ShanghaiTech-ACM universal account, you can submit code and join discussions in all online judging services provided by us.
Using your ShanghaiTech-ACM universal account