不是吧我试了一下，不对
by IOI_CCF @ 2024-01-07 21:31:33
@[nldr](/user/704275) 改一下输入
by bsyyds @ 2024-01-07 21:34:58
6
by IOI_CCF @ 2024-01-07 21:38:01
@[bsyyds](/user/615698) 谢，好人一生平安
by IOI_CCF @ 2024-01-07 21:42:22