UID: 20879, Registered at 2025-8-31 16:50:09, last login at 2025-8-31 16:50:09, currently offline.
Solved 6 problems, RP: 16.8 (No. 7742)
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