UID: 26471, Registered at 2026-9-23 18:45:31, last login at 2026-10-11 10:46:37, last active at 2026-10-17 5:20:47.
Solved 1 problems, RP: 9 (No. 516)
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