#include<stdio.h>
int main()
{
int upper=0,lower=0,digit=0,space=0,other=0,i=0; char *p,s[20];
printf("input string: "); //输出所指定的一行信息
while((s[i]=getchar())!='\n')i++;
p=&s[0];
while(*p!='\n')
{if(('A'<=*p)&&(*p<='Z'))
++upper;
else if(('a'<=*p)&&(*p<='z'))
++lower;
else if(*p==' ')
++space;
else if((*p<='9')&&(*p>='0'))
++digit;
else
++other;
p++;
}
printf("upper case:%d lower case:%d",upper,lower);
printf(" space:%d digit:%d other:%d\n",space,digit,other);
return 0;
}