UID: 45562, Registered at 2026-7-8 9:54:37, last login at 2026-7-8 15:38:55, currently offline.
Solved 9 problems, RP: 39 (No. 10173)
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