void?main()
{
char?s[128];
char?l[128],d[128],o[128];
int?lc=0,dc=0,oc=0;
printf("Please?intput?the?string:");
scanf("%s",s);
for(int?i=0;s[i]!='\0';i++)
{
if(s[i]>='0'&&s[i]<='9')
{
d[dc]=s[i];
dc++;
}
else?if((s[i]>='a'&&s[i]<='z')||(s[i]>='A'&&s[i]<='Z'))
{
l[lc]=s[i];
lc++;
}
else
{
o[oc]=s[i];
oc++;
}
}
l[lc]=d[dc]=o[oc]='\0';
printf("Digistal?string?length?=?%d,?Digitals:?%s\n",dc,d);
printf("Letter?string?length?=?%d,?Letters:?%s\n",lc,l);
printf("Symbol?string?length?=?%d,?Symbols:?%s\n",oc,o);
}
包括空格嗎