UID: 3512, Registered at 2023-5-13 16:47:44, last login at 2023-9-20 14:11:23, currently offline.
Solved 11 problems, RP: 56.9 (No. 1350)
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