UID: 19542, Registered at 2025-7-13 15:03:49, last login at 2025-7-13 15:03:49, currently offline.
Solved 19 problems, RP: 92 (No. 3348)
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