UID: 18662, Registered at 2025-5-14 14:13:25, last login at 2025-5-14 14:13:25, currently offline.
Solved 18 problems, RP: 52 (No. 4835)
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