UID: 1295, Registered at 2023-3-23 15:03:42, last login at 2023-4-8 17:08:58, currently offline.
Solved 2 problems, RP: 8 (No. 4200)
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