64 lines
1.1 KiB
C++
64 lines
1.1 KiB
C++
#include <iostream>
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using std::cout;
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using std::cin;
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using std::endl;
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class A {
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protected:
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int a;
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public:
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A(int _a) : a(_a) {
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}
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void display() {
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std::cout << a << std::endl;
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}
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};
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class B : virtual public A {
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protected:
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int b;
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public:
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B(int _a, int _b) : A(_a+1), b(_b) {
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}
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void display() {
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A::display();
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std::cout << b << std::endl;
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}
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};
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class C : virtual public A {
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protected:
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int c;
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public:
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C(int _a, int _c) : A(_a + 2), c(_c) {
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}
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void display() {
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A::display();
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std::cout << c << std::endl;
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}
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};
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// class D : public B, public C {
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// protected:
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// int d;
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// public:
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// D(int _a, int _b, int _c, int _d) :A(_a), B(_a, _b), C(_a, _c), d(_d){};
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// void display() {
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// A::display();
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// B::display();
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// C::display();
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// std::cout << d << std::endl;
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// }
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// };
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int main() {
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// D objD(1, 2, 3, 4);
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// objD.display();
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cout << "---\n" << sizeof(A) << endl << sizeof(B) << endl << sizeof(C) << endl;
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return 0;
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} |