UID: 143, Registered at 2022-9-12 15:56:06, last login at 2025-6-30 21:57:35, currently offline.
Solved 42 problems, RP: 126 (No. 318)
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