UID: 16859, Registered at 2025-4-9 22:26:27, last login at 2025-4-9 22:26:27, currently offline.
Solved 13 problems, RP: 63.86 (No. 7913)
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