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Ineritance
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//Title of this code #include <iostream> using namespace std; class A { public: int a,b; public: A(int, int); virtual ~A(){} virtual void add(int); virtual void print(); }; class B : public A { int c; public: B(int, int, int); B(int, int); virtual ~B(){} virtual void add(int); virtual void print(); }; A::A(int x, int y): a(x), b(y) {} B::B(int x, int y): A(x, y){} B::B(int x, int y, int z): A(x, y) { c = z; } void A::add(int n){ a += n; b += n; } void B::add(int n){ a += n; b += n; c += n; } void A::print() { cout << a << " " << b << endl; } void B::print() { cout << a << " " << b << " " << c << endl; } int main() { //B b(1,2,3); A* b = new B(1,2,3); b->print(); dynamic_cast<B*>(b)->print(); cout << "Hello, world!\n"; }
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Compilation time: 0.54 sec, absolute running time: 0.15 sec, cpu time: 0 sec, memory peak: 3 Mb, absolute service time: 0.7 sec
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