Star Pattern

/* @ToDo

   Star Pattern 
                *   
            *   *   *   
        *   *   *   *   *   
    *   *   *   *   *   *   *   
*   *   *   *   *   *   *   *   *   
*   *   *   *   *   *   *   *   *   
    *   *   *   *   *   *   *   
        *   *   *   *   *   
            *   *   *   
                *   

   
   
*/


#include <iostream>
using namespace std;

int main(){
     #ifndef ONLINE_JUDGE
        freopen("../asset/input.txt","r",stdin);
        freopen("../asset/output.txt","w",stdout);
    #endif
    // Code here!!

    int n; cin>>n;
    for(int i=1;i<=n;i++){
        for(int j=0;j<n-i;j++)
            cout<<"\t";
        for(int j=1;j<2*i;j++)
            cout<<"*\t";
        cout<<endl;
    }
    for(int i=n;i>0;i--){
        for(int j=0;j<n-i;j++)
            cout<<"\t";
        for(int j=1;j<2*i;j++)
            cout<<"*\t";
        cout<<endl;
    }

    return 0;
}

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