UID: 53235, Registered at 2026-9-2 18:10:31, last login at 2026-9-2 19:26:02, last active at just now.
Solved 9 problems, RP: 7 (No. 19463)
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