UID: 8767, Registered at 2024-4-1 21:00:47, last login at 2025-8-17 22:16:56, currently offline.
Solved 3 problems, RP: 11 (No. 17133)
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