UID: 1984, Registered at 2024-9-3 10:02:51, last login at 2025-3-31 14:55:33, currently offline.
Solved 5 problems, RP: 21 (No. 524)
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