UID: 3425, Registered at 2023-5-9 22:22:40, last login at 2023-8-1 0:40:25, currently offline.
Solved 19 problems, RP: 107.35 (No. 781)
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