UID: 19006, Registered at 2025-6-2 11:58:38, last login at 2026-5-19 18:01:20, currently offline.
Solved 5 problems, RP: 12 (No. 13952)
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