UID: 3681, Registered at 2023-5-30 15:10:40, last login at 2023-9-2 14:50:24, currently offline.
Solved 11 problems, RP: 35 (No. 1867)
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