UID: 32, Registered at 2023-3-3 20:09:18, last login at 2023-3-5 20:28:29, currently offline.
Solved 3 problems, RP: 13 (No. 3396)
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