#include < iostream > using namespace std; class base { int x; public: void setx(int n){ x = n; } void showx() { cout << x << '\n'; } }; class derived : public base { int y; public: void sety(int n){ y = n; } void showy() { cout << y << '\n'; } }; int main() { derived ob; ob.setx(10); ob.sety(20); ob.showx(); ob.showy(); return 0; }
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