UID: 5439, Registered at 2023-8-28 14:10:06, last login at 2023-8-29 9:33:33, currently offline.
Solved 8 problems, RP: 49.47 (No. 1504)
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