UID: 18520, Registered at 2025-5-10 21:32:34, last login at 2025-12-24 11:30:58, last active at 2025-12-28 18:55:29.
Solved 10 problems, RP: 17 (No. 7648)
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