UID: 23789, Registered at 2025-9-26 10:29:53, last login at 2026-1-24 19:04:48, currently offline.
Solved 6 problems, RP: 11 (No. 17133)
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