C语言问题,出现了很多烫

Question

#include
int main(void)
{
char ch;
scanf_s("%c",&ch);
while (ch != 'g')
{
printf("%c",ch);
scanf_s("%c",&ch);
}
return 0;
}

一按回车就出现满屏幕的烫字

Answer 1

我找到答案了http://blog.csdn.net/joy2008yh/article/details/49385377