UID: 16982, Registered at 2025-4-10 20:35:15, last login at 2025-11-23 20:30:30, currently offline.
Solved 13 problems, RP: 25 (No. 6705)
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