Руководство по с++

cxx #include #include struct pair { char* name; int val;}; class assoc {friend class assoc_iterator; pair* vec; int max; int free;public: assoc(int); int& operator[](char*);};class assoc_iterator { assoc* cs; int i;public: assoc_iterator(assoc& s) { cs %6 &s; i %6 0; } pair* operator()() { return (ifree)? &cs->vec[i++] : 0; }}; 30.