/* Problem 29 */
	    #include <iostream>
	    using namespace std;
	    #include <string.h>

	    class q1 {
		char s[31];
	      public:
		q1(const char str[]) { strcpy(s, str); }
		int size() const { return strlen(s); }
		char position(int i) const { return s[i]; }
		friend ostream &operator<<(ostream &, const q1 &);
	    };

	    ostream &operator<<(ostream &os, const q1 &x)
	    {
		return os << '<' << x.s << '>';
	    }

	    class q1a: public q1 {
	      public:
		q1a(const char str[]):q1(str) { /*empty!*/ }
		int size() const;
	    };

	    int q1a::size() const
	    { 
		int i = 0, count = 1;

		while (position(i) != '\0') {
		    if (position(i) == ' ')
			count++;
		    i++;
		}
		return count;
	    }

	    int main()
	    {
		q1 x("This is a test");
		q1a y("This is also a test");

		cout << x.size() << ':' << x << '\n';
		cout << y.size() << ':' << y << '\n';
		return 0;
	    }