UID: 17833, Registered at 2025-4-21 12:06:34, last login at 2025-4-21 12:06:34, currently offline.
Solved 5 problems, RP: 25.2 (No. 8146)
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