UID: 5341, Registered at 2023-8-25 20:20:59, last login at 2023-9-5 11:14:10, currently offline.
Solved 2 problems, RP: 16.74 (No. 2972)
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