UID: 27139, Registered at 2025-12-22 15:10:21, last login at 2026-5-20 18:46:16, currently offline.
Solved 19 problems, RP: 64 (No. 7170)
By signing up a CodeFun2000 universal account, you can submit code and join discussions in all online judging services provided by us.
Using your CodeFun2000 universal account