UID: 27139, Registered at 2025-12-22 15:10:21, last login at 2026-4-7 13:49:40, currently offline.
Solved 19 problems, RP: 64 (No. 5946)
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