UID: 21386, Registered at 2025-9-6 15:12:10, last login at 2025-9-6 15:12:10, currently offline.
Solved 9 problems, RP: 37 (No. 11148)
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