UID: 1906, Registered at 2024-7-31 14:58:10, last login at 2024-11-23 16:01:49, currently offline.
Solved 1 problems, RP: 17.26 (No. 547)
By signing up a HFOJ universal account, you can submit code and join discussions in all online judging services provided by us.
Using your HFOJ universal account