UID: 60, Registered at 2025-1-17 13:19:09, last login at 2025-1-17 17:04:46, last active at 2025-1-25 23:03:28.
Solved 13 problems, RP: 81 (No. 13)
By signing up a QFNU-OJ universal account, you can submit code and join discussions in all online judging services provided by us.
Using your QFNU-OJ universal account