UID: 2111, Registered at 2024-9-3 10:03:07, last login at 2025-1-10 22:28:12, currently offline.
Solved 4 problems, RP: 15 (No. 557)
来自黄级长的爱
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