... a) int x = 0; int f ( int a, int b) { return x = a + b; } class A { int x; public : A ( int n = 1) { x = n; } int f() { return ::x = x; } }; class B { int x; public : B ( int n = 2) { x = n; } }; class C: public A, public B { int x; public : int f( int a) { return ::x = x; } void g (); }; ... class X { public: void g () {cout << "g" << endl;} int h (int n) {cout << "f" << endl; return n} }; int main () { int k; const X x; X::g(); k = x.h(5); return 0; } 6.3. ...

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