UID: 894, Registered at 2025-4-4 10:22:41, last login at 2026-1-11 11:06:54, currently offline.
Solved 5 problems, RP: 24 (No. 185)
By signing up a USTC-OJ universal account, you can submit code and join discussions in all online judging services provided by us.
Using your USTC-OJ universal account
