UID: 3463, Registered at 2026-1-11 19:02:22, last login at 2026-4-19 16:50:13, currently offline.
Solved 30 problems, RP: 157.4 (No. 762)
编程不难,难的是开始敲第一行代码。
By signing up a code-fans universal account, you can submit code and join discussions in all online judging services provided by us.
Using your code-fans universal account