UID: 19082, Registered at 2025-6-7 23:12:03, last login at 2025-6-7 23:12:03, currently offline.
Solved 15 problems, RP: 57.4 (No. 7523)
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