UID: 17126, Registered at 2025-4-12 17:06:23, last login at 2025-4-12 17:06:23, currently offline.
Solved 4 problems, RP: 21.45 (No. 12859)
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