first git commit

pr3-end.cpp

@@ -0,0 +1,108 @@
+#include <iostream>
+using namespace std;
+
+class A1 {
+protected:
+    int a1;
+
+public:
+    A1(int V1 = 0) : a1(V1) { cout << "\nClass A1 constructor"; }
+    virtual void print() { cout << "\nVariable of A1 class"; }
+    virtual void show() { cout << "\na1 = " << a1; }
+};
+
+class A2 {
+protected:
+    int a2;
+
+public:
+    A2(int V1 = 0) : a2(V1) { cout << "\nClass A2 constructor"; }
+    virtual void print() { cout << "\nVariable of A2 class"; }
+    virtual void show() { cout << "\na2 = " << a2; }
+};
+
+class A3 {
+protected:
+    int a3;
+
+public:
+    A3(int V1 = 0) : a3(V1) { cout << "\nClass A3 constructor"; }
+    virtual void print() { cout << "\nVariable of A3 class"; }
+    virtual void show() { cout << "\na3 = " << a3; }
+};
+
+class B1 : virtual public A1, virtual public A3 {
+protected:
+    int b1;
+
+public:
+    B1(int V1 = 0, int V2 = 0) : A1(V1), A3(V2), b1(V1) { cout << "\nClass B1 constructor"; }
+    virtual void print() { cout << "\nVariable of B1 class"; }
+    virtual void show() { cout << "\nb1 = " << b1 << ", a1 = " << a1 << ", a3 = " << a3; }
+};
+
+class B2 : virtual public A2, virtual public A3 {
+protected:
+    int b2;
+
+public:
+    B2(int V1 = 0, int V2 = 0) : A2(V1), A3(V2), b2(V1) { cout << "\nClass B2 constructor"; }
+    virtual void print() { cout << "\nVariable of B2 class"; }
+    virtual void show() { cout << "\nb2 = " << b2 << ", a2 = " << a2 << ", a3 = " << a3; }
+};
+
+class C1 : virtual public B1, virtual public B2 {
+protected:
+    int c1;
+
+public:
+    C1(int V1 = 0, int V2 = 0, int V3 = 0) : A1(V1), B1(V1, V3), B2(V2, V3), c1(V1) { cout << "\nClass C1 constructor"; }
+    virtual void print() { cout << "\nVariable of C1 class"; }
+    virtual void show() { cout << "\nc1 = " << c1 << ", b1 = " << b1 << ", b2 = " << b2; }
+};
+
+class C2 : virtual public B1, virtual public B2 {
+protected:
+    int c2;
+
+public:
+    C2(int V1 = 0, int V2 = 0, int V3 = 0) : A1(V1), B1(V1, V3), B2(V2, V3), c2(V1) { cout << "\nClass C2 constructor"; }
+    virtual void print() { cout << "\nVariable of C2 class"; }
+    virtual void show() { cout << "\nc2 = " << c2 << ", b1 = " << b1 << ", b2 = " << b2; }
+};
+
+class C3 : virtual public B1, virtual public B2 {
+protected:
+    int c3;
+
+public:
+    C3(int V1 = 0, int V2 = 0, int V3 = 0) : A1(V1), B1(V1, V3), B2(V2, V3), c3(V1) { cout << "\nClass C3 constructor"; }
+    virtual void print() { cout << "\nVariable of C3 class"; }
+    virtual void show() { cout << "\nc3 = " << c3 << ", b1 = " << b1 << ", b2 = " << b2; }
+};
+
+int main() {
+
+    B1 b1(1, 2);
+    B2 b2(3, 4);
+    C1 c1(7, 8, 9);
+    C2 c2(11, 12, 13);
+    C3 c3(14, 15, 16);
+
+
+    B1* ptr1 = &b1;
+    B2* ptr2 = &b2;
+    B1* ptr3 = &c1;
+    B2* ptr4 = &c2;
+    B1* ptr5 = &c3;
+
+
+
+    ptr1->show();
+    ptr2->show();
+    ptr3->show();
+    ptr4->show();
+    ptr5->show();
+
+    return 0;
+}