Program : Equilateral Triangle empty from inside

Program : Equilateral Triangle empty from inside

Program to create a triangle like only triangle outline 
Check out Program


#include<iostream.h>
#include<conio.h>
// Create an Equilateral Triangle empty from inside
int main()
{
    int i=0,sp; // int define i and sp
  for(i=0; i<=10; i++) // first loop that work for 11 times
    {
    for(int sp=0; sp<=10-i; sp++) // loop for space like first time 5 then 4 then 3 and so on
       {
           cout << " ";
       }
      
        for(int j=0; j<1; j++) // loop to print xx that work only one time
        {
        cout <<"x";
        for(int m=0; m<=2*i; m++) // inside this one loop for give space b/w two x
{     cout<<" ";}
        cout <<"x";
        }
        cout <<endl; //next line
    }
   
    for(int s=0; s<=i; s++)  //print last line with xx
    cout << "xx";
    cout <<endl;
    getch(); //http://cplspls.blogspot.com
    return 0;
}


OUTPUT: