#include<stdio.h>
int letters=0,space=0,digit=0,others=0;
void count(char a[])
{
int i;
for(i=0;a[i];i++)
{
if(a[i]>='0'&&a[i]<='9')digit++;
else if(a[i]==' ')space++;
else if(a[i]>='a'&&a[i]<='z'||a[i]>='A'&&a[i]<='Z')letters++;
else others++;
}
}
main()
{
char a[80];
gets(a);
count(a[80]);
printf("char=%d,space=%d,digit=%d,others=%d",letters,space,digit,others);
}
错在哪里啊,为什么运行报错!!!