#include
int main(void) {
char ch;
while ((ch=getchar()) != '#')
{
if (ch != '\n')
printf("step1\n");
if (ch != 'c')
{
if (ch == 'b')
break;
else if (ch != '\n' && ch!='h')
printf("step2\n");
else if (ch == 'h')
printf("step3\n");
else if (ch != '\n' && ch!='h') //此处加上else后,输入非 h 字符不显示printf的内容
//去掉后就可以打印 step3
printf("step3\n");
}
}
printf("Done!");
return 0;
}
萌新求教 感激不尽!!!