UID: 3839, Registered at 2023-6-17 11:14:03, last login at 2023-9-20 22:44:09, currently offline.
Solved 10 problems, RP: 49 (No. 1515)
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