UID: 14503, Registered at 2025-2-20 15:58:38, last login at 2026-8-24 10:11:32, currently offline.
Solved 13 problems, RP: 50.7 (No. 9773)
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