UID: 1979, Registered at 2024-9-3 10:02:50, last login at 2025-3-31 15:05:34, currently offline.
Solved 18 problems, RP: 53 (No. 433)
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