调试不出来，求大神看下哪里错了

Question

#include
int main()
{

printf("Enter some texts:\n");
char ch;
int ct1=0;
int ct2=0;


while((ch=getchar())!='#')/*读取，读到#停止，用感叹号替换句号，两个感叹号代替原来感叹号，报告替换次数*/

{

switch(ch)
{

case'.':
    putchar('!');
    ++ct1;
        break;
case'!':
    putchar('!');
    putchar('!');
    ++ct2;
        break;
default:putchar(ch);

}
}
printf("%d replacements of .with !\n",ct1);

printf("%d replacements of !with !!\n",ct2);

return 0;

}

Answer 1

http://blog.csdn.net/a973893384/article/details/7523336