UID: 39390, Registered at 2026-5-6 11:32:35, last login at 2026-5-23 19:00:26, currently offline.
Solved 20 problems, RP: 73.9 (No. 6612)
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