UID: 18534, Registered at 2025-5-11 11:56:49, last login at 2025-5-11 11:56:49, currently offline.
Solved 21 problems, RP: 64 (No. 4182)
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