UID: 4938, Registered at 2023-8-17 11:05:33, last login at 2023-8-25 14:06:03, currently offline.
Solved 3 problems, RP: 41.5 (No. 1719)
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