UID: 21934, Registered at 2025-9-11 22:22:06, last login at 2026-3-25 19:32:27, currently offline.
Solved 16 problems, RP: 47.2 (No. 9254)
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