UID: 39059, Registered at 2026-4-30 20:23:55, last login at 2026-4-30 20:23:55, currently offline.
Solved 2 problems, RP: 11.5 (No. 17045)
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