UID: 24245, Registered at 2025-9-30 10:44:48, last login at 2025-12-7 20:10:37, currently offline.
Solved 6 problems, RP: 24 (No. 6819)
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