UID: 70, Registered at 2023-11-16 19:45:11, last login at 2023-11-19 21:23:19, currently offline.
Solved 2 problems, RP: 20 (No. 24)
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