UID: 371, Registered at 2023-3-12 20:29:47, last login at 2023-6-12 18:04:40, currently offline.
Solved 14 problems, RP: 72 (No. 1132)
wo yao qi fei
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