UID: 12125, Registered at 2024-9-19 19:48:39, last login at 2024-9-19 19:48:39, currently offline.
Solved 2 problems, RP: 9 (No. 4020)
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