在```cout<<ans;```前面加上```cout<<1<<endl;```
没看题目?
by AKNOI的梓钦 @ 2022-05-21 13:14:40
没输出1
不读题吗?)))
by Luban @ 2022-05-21 13:15:50
谢谢
@[Light_Of_Wisdom](/user/113600) @[AKNOI的梓钦](/user/479246)
by ZKYminecraft @ 2022-05-22 18:39:33