UID: 1025, Registered at 2025-10-9 21:38:18, last login at 2025-10-12 15:09:52, currently offline.
Solved 10 problems, RP: 97.88 (No. 69)
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
