#include <stdio.h>
int main () {
char ch;
int line_feed = 0, cha = 0, space = 0;
printf("输入你的字符(输入#退出))\n");
while((ch = getchar()) != '#')
{
if(ch == '\n')
line_feed++;
else if(ch == ' ')
space++;
else
cha++;
}
printf("你输入了%d行,%d个空格,%d个字符", line_feed, space, cha);
return 0;
}