UID: 629, Registered at 2023-3-15 10:52:20, last login at 2023-4-14 20:05:07, currently offline.
Solved 6 problems, RP: 28.4 (No. 2188)
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