UID: 17865, Registered at 2025-4-21 21:22:24, last login at 2025-4-21 21:22:24, currently offline.
Solved 8 problems, RP: 46.7 (No. 5095)
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