UID: 61, Registered at 2025-12-7 10:46:58, last login at 2026-2-13 14:46:49, last active at 2026-2-15 16:18:56.
Solved 1 problems, RP: 2 (No. 9)
By signing up a GHCISOJ universal account, you can submit code and join discussions in all online judging services provided by us.
Using your GHCISOJ universal account
