/* Problem 49 */
	    #include <iostream>
	    using namespace std;

	    class tig {
		char* data;
		int sz;
		int pos;
	      public:
		tig(int n) {
			if (n > 80) n = 80;
			cout << "getting " << n << " bytes\n"; 
			data = new char[sz=n]; pos = 0;}
		tig() {
			cout << "making default tig\n";
			data = new char[sz=7]; pos = 0;}
		~tig() {
			delete [] data;
			cout << "returning " << sz << " bytes\n"; }
		void store(char c) { if (pos < sz) data[pos++] = c; }
		void store(char *s, int p) {
		    if (p != -1) 
			pos = p;
		    for (int i = 0; s[i]; i++)
			if (i%2 == 0) store(s[i]); }
		void store(char *s) { store(s, -1); }
		void read(char *s) {
		    int i;
		    for (i = 0; i < pos; i++)
			s[i] = data[i];
		    s[i] = '\0';   }
	    };
	    main()
	    {
		tig x(8);
		x.store("Two roofs to fix");
		tig y;
		y.store("Obnoxious leaks...");
		y.store("the rain", 2);
		y.store("ah", 3);
		y.store("oh no!", 6);
		x.store("not on my head! Now I'm soaked!", 4);
		char buffer1[9], buffer2[9];
		x.read(buffer1);
		y.read(buffer2);
		cout << buffer1 << buffer2 << '\n';
		return 0;
	    }