UID: 18054, Registered at 2025-4-24 9:58:58, last login at 2025-4-24 9:58:58, currently offline.
Solved 8 problems, RP: 31 (No. 6143)
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