Problem statement__________________________________________________________________

#include<iostream.h>

int main()

{

int i,j,sp,x=1;

for(i=1;i<=4;i++,x+=2)

{

for(sp=1;sp<=4-i;sp++) cout<<" ";

for(j=1;j<=x;j++)

{

if(i>1&&i<4&&j>1&&j<x)

cout<<" ";

else

cout<<"*";

}

cout<<endl;

}

return 0;

} Out Put