UID: 17904, Registered at 2025-4-22 15:01:36, last login at 2025-4-22 15:01:36, currently offline.
Solved 4 problems, RP: 13.9 (No. 15155)
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