UID: 20494, Registered at 2025-8-25 13:25:36, last login at 2025-9-25 22:17:19, currently offline.
Solved 4 problems, RP: 25.5 (No. 6675)
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