So I have to make it a full diamond , but I have a problem . How to give space from left side . Here's my code.

Question

#include <iostream>
using namespace std;

int main()
{
int i,j,a,b;

for(i=1;i<=9;i++)
{
for(j=1;j<=i;j++)
{
cout<<"*";
}
cout<<endl;

}
for(a=9;a>1;a--)
{
for(b=1;b<a;b++)
{
cout<<"*";
}
cout<<endl;
}
return 0;
}

Answer 1

Draw a bunch of right angle triangles.

here is something I used in another project. I hope this helps in your understanding.

https://code.sololearn.com/c2se3U1eNW3J/?ref=app

Answer 2

https://codescracker.com/cpp/program/cpp-program-print-diamond-pattern.htm