UID: 19242, Registered at 2025-6-19 15:32:05, last login at 2025-6-19 15:32:05, currently offline.
Solved 16 problems, RP: 74.49 (No. 6487)
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