UID: 20770, Registered at 2025-8-29 16:16:41, last login at 2025-8-29 16:16:41, currently offline.
Solved 8 problems, RP: 28.3 (No. 6396)
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