UID: 119, Registered at 2023-3-7 19:56:56, last login at 2023-3-23 16:35:59, currently offline.
Solved 2 problems, RP: 11.76 (No. 8750)
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