UID: 1938, Registered at 2024-9-3 10:02:45, last login at 2025-3-31 14:30:33, currently offline.
Solved 1 problems, RP: 6 (No. 626)
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