UID: 2528, Registered at 2023-4-18 1:03:47, last login at 2023-4-26 21:03:50, currently offline.
Solved 6 problems, RP: 27 (No. 2254)
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