#include<stdio.h>
#include<stdlib.h>
void main()
{
char ch;
int a=0,b=0,c=0,d=0;
system("color 3E");
printf("输入字符\n");
ch=getchar();
while(ch!='\n')
{
if(ch>='A'&&ch<='z')
a++;
else if(ch==' ')
b++;
else if(ch>='0'&&ch<='9')
c++;
else
d++;
ch=getchar();
}
printf("英文字母个数%d\n",a);
printf("空格个数%d\n",b);
printf("数字个数%d\n",c);
printf("其他个数%d\n",d);
}