UID: 6631, Registered at 2023-12-1 11:00:45, last login at 2023-12-20 14:49:10, currently offline.
Solved 3 problems, RP: 16.25 (No. 2996)
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