@[202312905201Czd](/user/1103961) ~~虽然我没做过~~但要把两个scanf_s都改成scanf才能正常输入
by penguin_is_cool @ 2023-11-09 20:06:50
我将
``scanf("%c%c%c",&ch1,&ch2,&ch3)`
``
在%c前面加个空格就好了,改成
`scanf(" %c%c%c",&ch1,&ch2,&ch3)`
记得老师在课上讲过为什么,但是我忘记了
by 202312905201Czd @ 2023-11-09 21:34:33