UID: 153, Registered at 2023-11-19 16:42:50, last login at 2023-11-23 18:33:05, currently offline.
Solved 2 problems, RP: 30 (No. 21)
By signing up a SAST OJ universal account, you can submit code and join discussions in all online judging services provided by us.
Using your SAST OJ universal account