UID: 48915, Registered at 2026-8-6 10:09:51, last login at 2026-8-20 10:04:26, currently offline.
Solved 4 problems, RP: 9 (No. 18167)
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