UID: 3939, Registered at 2023-7-5 11:12:35, last login at 2024-4-14 3:14:27, currently offline.
Solved 22 problems, RP: 111.15 (No. 751)
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