UID: 4531, Registered at 2023-8-11 10:01:57, last login at 2023-9-11 16:40:35, currently offline.
Solved 4 problems, RP: 23.34 (No. 12478)
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