UID: 41643, Registered at 2026-5-23 10:21:37, last login at 2026-5-23 10:22:09, currently offline.
Solved 3 problems, RP: 12 (No. 16097)
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