UID: 20391, Registered at 2025-8-22 20:26:05, last login at 2026-3-29 19:11:08, currently offline.
Solved 14 problems, RP: 41 (No. 6643)
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