UID: 16449, Registered at 2025-4-4 11:26:22, last login at 2025-4-4 11:26:22, currently offline.
Solved 19 problems, RP: 47.4 (No. 10851)
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