Write a Program to Print a Star(*) Triangle(With Spaces between them) in C++ using For loop or if/else Statement

Programming Language C++. I'm trying to code a program that print a Star(*) Triangle after taking input of any number from user and i'm successfully programmed that but now i want to program same but with some changes means now i want that program print triangle like this.

*
**
* *
*  *
*   *
*    *
*     *
*      *
*       *
*********

but i facing an unknown issue and program will print Star(*) triangle like this.

 *
 **
 ***
 **
 **
 **
 **
 ******** 

Help me or Suggest me anything that can solve this.

//Program to Print Star(*) Triangle.

#include <iostream>
using namespace std;
int main()
{
 int number, i,j;
 cout << "Enter the Number :";
 cin >> number;

 for (i=1; i<=number; i++)
 {
 for (j=1; j<=i; j++)
 {
     if (j==1 || j==i || i==number)
     {
        cout << "*";
     }
     else
     {
         cout << "";
     }
 }
    cout << endl;
 }
 system("pause");
 return 0;

}

I want an output like this.

*
**
* *
*  *
*   *
*    *
*     *
*      *
*       *
*        *
*         *
***********