UID: 42457, Registered at 2026-6-1 10:06:08, last login at 2026-6-22 12:42:06, currently offline.
Solved 16 problems, RP: 73.8 (No. 7918)
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