UID: 16950, Registered at 2025-4-10 16:12:51, last login at 2025-5-27 20:02:27, currently offline.
Solved 16 problems, RP: 67.68 (No. 4136)
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