#include<stdio.h>
#include<stlib.h>
#include<ctype.h>
int main(void) {
int numbers=0,upperCase=0,lowerCase=0;
char *p="AB123cd";
for( ; *p ; p++) {numbers+=(isdigit(p)!=0)?1:0;upperCase+=(isupper(p)!=0)?1:0;lowerCase+=(islower(p)!=0)?1:0}
printf("数字%n、大文字%n、小文字%n\n",numbers,upperCase,lowerCase)
return EXIT_SUCCESS;
}