如题所述
#include<stdio.h>
#include<ctype.h>
int main()
{ char s[]="How are you Fine thank you";
int i,n=0;
for(i=0;s[i];i++)
if((!i||s[i-1]==' ')&&isalpha(s[i]))n++;
printf("%d\n",n);
return 0;
}