#include<stdio.h>
#include<string.h>

int main(void)
{
	char s[100],*p=s;
	int m;
	int bnum=0;
	int snum=0;
	int dnum=0;
	int onum=0;
	
	printf("请输入一个字符串：\n");
	gets(s);
	
	m=strlen(s);
	
	for(int i=0;i<m;i++)
	{
		if(s[i]>='A'&&s[i]<='Z')
			bnum++;
		else if(s[i]>='a'&&s[i]<='z')
			snum++;
		else if(s[i]>='0'&&s[i]<='9')
			dnum++;
		else
			onum++;
	}
	printf("%d %d %d %d",bnum,snum,dnum,onum);
	
	return 0;
}

#include<stdio.h>
int main(void)
{
	char s[100],*p=s;
	int num,upper,lower,other;
	num=upper=lower=other=0;
	
	printf("Please input enter a string: ");
	gets(s);
	while(*p != '\0')
	{
		if( *p >='0'&& *p <= '9')
			num++;
		else if( *p >= 'a' && *p <= 'z')
			lower++;
		else if( *p >= 'A' && *p <= 'Z')
			upper++;
		else other++;
		
		p++;
	} 
	printf("num=%d,upper=%d,lower=%d,other=%d",num,upper,lower,other);
	
	return 0;
}