1012

 1 #include <iostream>
 2 using namespace std;
 3 int main()
 4 {char c;
 5  int letters=0,num=0,kongge=0,other=0;
 6  while((c=getchar())!=‘\n‘)
 7  {if ((c>=‘a‘ && c<=‘z‘)||(c>=‘a‘ && c<=‘z‘))
 8         letters++;
 9   else if (c>=‘0‘ && c<=‘9‘)
10         num++;
11   else if (c==‘ ‘)
12         kongge++;
13   else
14         other++; }
15   cout<<letters<<" "<<num<<" "<<kongge<<" "<<other<<endl;
16   return 0;
17   }