UID: 12979, Registered at 2024-10-17 21:51:10, last login at 2025-3-15 9:53:09, currently offline.
Solved 2 problems, RP: 10.3 (No. 12933)
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