UID: 9864, Registered at 2024-5-22 13:42:20, last login at 2025-4-22 20:25:24, currently offline.
Solved 19 problems, RP: 67.24 (No. 4145)
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