void main(){ char c;int letters=0,digit=0;printf("please input some characters\n");while((c=getch())!='!'){ if(c>='a'&&c<='z'||c>='A'&&c<='Z')letters++;else if(c>='0'&&c<='9')digit++;} printf("char=%d digit=%d\n",letters,digit);} ...
cout<< "大写字母个数为:" << iDx << "小写字母个数为："<< iXx << endl;