如何读取到的空格、TAB键和换行符
#include <iostream>
using namespace std;
void main()
{
char ch;
int space = 0, tab = 0, lf = 0;
cin >> ch;
switch (ch)
{
case ' ':
++space;
break;
case '\t':
++tab;
break;
case '\n':
++lf;
break;
}
cout << space << endl;
cout << tab << endl;
cout << lf << endl;
}
这个程序怎样改才能记录被读取到的空格、TAB键和换行符的个数????