UID: 17771, Registered at 2025-4-20 13:29:46, last login at 2025-4-20 13:29:46, currently offline.
Solved 3 problems, RP: 26.77 (No. 8026)
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