UID: 21283, Registered at 2025-9-5 11:55:36, last login at 2025-9-5 11:55:36, currently offline.
Solved 6 problems, RP: 19.74 (No. 11489)
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