UID: 43573, Registered at 2026-6-15 15:49:27, last login at 2026-8-28 13:20:26, currently offline.
Solved 15 problems, RP: 128.9 (No. 5371)
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