UID: 10523, Registered at 2024-7-22 16:13:50, last login at 2024-9-5 21:28:15, currently offline.
Solved 4 problems, RP: 21 (No. 2600)
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