UID: 40556, Registered at 2026-5-13 21:36:42, last login at 2026-5-29 12:26:21, currently offline.
Solved 4 problems, RP: 31.4 (No. 11165)
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