#include <iostream>
 
using namespace std;
void printStars(int num, int limit)                         
{
        if (num >limit) return;              
        else{
        for (int q = 1; q <= num; q++)      
        {cout << "*";}
        cout << endl;
 
        printStars(num +1, limit);        
 
        for (int q = 1; q <= num; q++)      
        {cout << "*";} 
 
        cout << endl;
    } 
 
}
 
int main()
{        
    int number=5;  
    cin>>number;                                
    printStars(1, number);                                     
 
    return 0;
} // end of main 

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5