UID: 1402, Registered at 2023-3-25 4:50:16, last login at 2023-3-25 4:50:16, currently offline.
Solved 4 problems, RP: 22.25 (No. 2529)
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