UID: 1977, Registered at 2023-4-9 17:07:51, last login at 2023-4-20 22:28:38, currently offline.
Solved 18 problems, RP: 98 (No. 3280)
世上无难事,只要肯放弃
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