RE了。
by gtafics @ 2023-07-15 14:31:32
@[lyc0613](/user/748287) 把scanf换成cin。scanf是不管空格的
by Steve_xh @ 2023-07-15 14:48:16
@[lyc0613](/user/748287) 输入字符scanf就很烦
by Steve_xh @ 2023-07-15 14:48:44
@[Steve_xh](/user/639198) 已AC，感谢神犇
by _lyc @ 2023-07-15 14:54:12