UID: 47100, Registered at 2026-7-21 22:54:50, last login at 2026-8-26 1:32:26, currently offline.
Solved 8 problems, RP: 40.4 (No. 11493)
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