UID: 1165, Registered at 2023-9-3 20:07:17, last login at 2025-6-10 9:28:20, currently offline.
Solved 61 problems, RP: 180.94 (No. 236)
>...<
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