UID: 684, Registered at 2024-10-6 12:14:50, last login at 2026-3-14 16:01:08, currently offline.
Solved 6 problems, RP: 24 (No. 412)
By signing up a 战码少年-战码青少年编程（专业信息学奥赛编程训练） universal account, you can submit code and join discussions in all online judging services provided by us.
Using your 战码少年-战码青少年编程（专业信息学奥赛编程训练） universal account
