UID: 4479, Registered at 2023-8-10 10:06:40, last login at 2023-10-13 9:50:18, currently offline.
Solved 24 problems, RP: 138 (No. 583)
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