UID: 16371, Registered at 2025-4-2 20:16:20, last login at 2025-4-2 20:16:20, currently offline.
Solved 5 problems, RP: 13 (No. 16390)
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