UID: 2273, Registered at 2023-4-13 12:44:40, last login at 2023-8-7 10:58:59, currently offline.
Solved 4 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