UID: 12949, Registered at 2024-10-17 9:14:24, last login at 2024-12-20 15:08:49, currently offline.
Solved 6 problems, RP: 23.22 (No. 6894)
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