Check My code sir :-
#include
using namespace std;
int main()
{
int i,j,N;
N>=0&&N<=9;
cin>>N;
for(i=1;i<=N;i++)
{
for(j=i;j<=N;j++)
{
cout<<"*";
}
for(j=1;j<=(2*i-2);j++)
{
cout<<" ";
}
for(j=i;j<=N;j++)
{
cout<<"*";
}
cout<<"\n";
}
for(i=1;i<=N;i++)
{
for(j=1;j<=i;j++)
{
cout<<"*";
}
for(j=(2*i-2);j<(2*N-2);j++)
{
cout<<" ";
}
for(j=1;j<=i;j++)
{
cout<<"*";
}
cout<<"\n";
}
}