UID: 17357, Registered at 2025-4-15 15:28:01, last login at 2025-4-15 15:28:01, currently offline.
Solved 7 problems, RP: 45.8 (No. 8420)
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