UID: 1783, Registered at 2023-10-5 9:14:14, last login at 2025-8-5 14:43:15, currently offline.
Solved 31 problems, RP: 155.76 (No. 291)
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