UID: 43032, Registered at 2026-6-8 12:57:14, last login at 2026-6-23 22:37:26, currently offline.
Solved 4 problems, RP: 20 (No. 14503)
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