UID: 20969, Registered at 2025-9-1 23:52:50, last login at 2025-9-1 23:52:50, currently offline.
Solved 8 problems, RP: 60.3 (No. 7314)
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