UID: 30946, Registered at 2026-3-20 22:11:07, last login at 2026-3-20 22:11:07, currently offline.
Solved 17 problems, RP: 59.4 (No. 7389)
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