UID: 1769, Registered at 2023-4-2 19:40:17, last login at 2023-4-3 14:36:10, currently offline.
Solved 3 problems, RP: 17 (No. 2911)
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