#include int main()
{
int word = 0;
int space = 0;
int mark = 0;
char ch;
while ((ch = getchar()) != '\n') {
if ((ch >= 'a' && ch <= 'z') || (ch >= 'A' && ch <= 'Z')
word++;
else if (ch == 32) //ch = ' '空格的ASCII码是32
space++;
else
mark++;
}
printf("word = %d, space = %d, mark = %d\n", word, space, mark);
return 0;
}