UID: 17575, Registered at 2025-4-17 11:23:27, last login at 2025-4-17 11:23:27, currently offline.
Solved 14 problems, RP: 70.4 (No. 4936)
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