UID: 20696, Registered at 2025-8-28 15:39:50, last login at 2025-8-28 15:39:50, currently offline.
Solved 10 problems, RP: 60.2 (No. 8164)
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