Write a program in C++ to display the pattern like a diamond by using the virtual base class in object oriented programming.
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# include<iostream> using namespace std; class a { public: int n; public: a() { n=4; } }; class b:public virtual a { public: int i; }; class c:virtual public a { public: int s; }; class d: public b,c { int j; public: int show() { for(i=1;i<=n;i++) { for(s=i;s<n; s++) { cout<<" "; } for(j=1;j<=2*i-1;j++) { cout<<"*"; } cout<<endl; } } }; int main() { d obj; obj. show(); } |