UID: 23996, Registered at 2025-9-27 19:48:48, last login at 2025-9-27 19:48:48, currently offline.
Solved 10 problems, RP: 40 (No. 6724)
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