#define?N?100
main()
{
char?all[N]; int?i,xx=0,shuzi=0,qita=0,dx=0; printf("請輸入壹個字符串(不超過100個):"); gets(all); for(i=0;all[i];i++) { if(all[i]>='a'&&all[i]<='z'||all[i]>='A'&&all[i]<='Z')if(all[i]>='A'&&all[i]<='Z')
dx++;
else
xx++;
elseif(all[i]>='0'&&all[i]<='9')
shuzi++;
else
qita++;
} printf("其中大寫字母%d個,小寫字母%d個,數字%d個,其他字符%d個\n",dx,xx,shuzi,qita);}