C++ program to print hollow rhombus, parallelogram star pattern using the Virtual Base Class.
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#include<iostream> using namespace std; class A // common base class of B and C { public: int n; public: A() //constructor or default function { n=4; } }; class B:public virtual A // derived class of A and by using "virtual" keyword we use only one copy of A class members in "D" class { public: int r; }; class C:virtual public A // derived class of A { public: int sp; }; class D: public B,C { public: void disp() { for(r=1;r<=n;r++) { for(sp=r;sp<n;sp++) { cout<<" "; } if(r==1||r==n) { for(sp=1;sp<=n;sp++) { cout<<"*"; } } else { cout<<"*"; for(sp=1;sp<=2;sp++) { cout<<" "; } cout<<"*"; } cout<<endl; } } }; int main() { D obj; // object or instance obj.disp(); } |
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FAQ
hollow parallelogram star pattern in C++ using the Virtual Base Class.
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given an integer n display the hollow mirrored right triangle star pattern as described in output using the Virtual Base Class.