UID: 24196, Registered at 2025-9-29 12:40:30, last login at 2025-9-29 12:40:30, currently offline.
Solved 14 problems, RP: 53 (No. 7840)
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