UID: 17428, Registered at 2025-4-16 10:30:03, last login at 2025-4-16 10:30:03, currently offline.
Solved 19 problems, RP: 85.12 (No. 4377)
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