/* Problem 15 */
	    #include <stdio.h>
	    #include <string.h>
	    class field {
		char *data;
		int size;
		int justify;
	      public:
		field(const char s[], int sz);
		field(const char s[], int sz, int just);
		field(const field &);
		~field();
		void operator=(const field &);
		void out() const;
	    };
	    void showem(field &a, field b);

	    int main() {
		field w("12345", 10), x("678", 6, 2);
		showem(w, x);
		field y = x, z("", 8, 1);
		z = w;
		showem(y, z);
		return 0;
	    }
	    field::field(const char s[], int sz) {
		data = new char[sz];
		strcpy(data, s);
		size = sz;
		justify = 0;
		printf("(done with A)");
	    }
	    field::field(const char s[], int sz, int just) {
		data = new char[sz];
		strcpy(data, s);
		size = sz;
		justify = just;
		printf("(done with B)");
	    }
	    field::field(const field &f) {
		data = new char[f.size];
		strcpy(data, f.data);
		size = f.size;
		justify = f.justify;
		printf("(done with C)");
	    }
	    field::~field() {
		delete [] data;
	    }
	    void field::operator=(const field &f) {
		delete [] data;
		data = new char[f.size];
		strcpy(data, f.data);
		size = f.size;
		printf("(done with D)");
	    }
	    void field::out() const {
		int i, extra = size - strlen(data);
		if (justify == 2)
		    for (i = 0; i < extra; i++)
			printf("*");
		else if (justify == 1) 
		    for (i = 0; i < extra/2; i++)
			printf("*");
		printf("%s", data);
		if (justify == 0)
		    for (i = 0; i < extra; i++)
			printf("*");
		else if (justify == 1)
		    for (i = extra/2; i < extra; i++)
			printf("*");
	    }
	    void showem(field &a, field b) {
		a.out();
		printf("\n");
		b.out();
		printf("\n");
	    }