C++ program to print Equilateral triangle (Pyramid) star pattern

Example

Input :

 Input rows: 5 

Output :

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

Required Knowledge

Basic C++ programming, for loop, nested loop, if-else

Program to print pyramid star pattern series

include <iostream>
using namespace std;

int main()
{
     int i, j, rows;
     
     /* Input number of rows to print */
     cout<<"Enter number of rows : ";
     cin>>rows;

     /* Iterate through rows */
     for(i=1; i<=rows; i++) 
     {
           /* Print leading spaces */
           for(j=i; j<rows; j++)
           {
                cout<<" ";
           }

           /* Print star */
           for(j=1; j<=(2*i-1); j++)
           {
                cout<<"*";
           }

           /* Move to next line */
           cout<<"\n";
     } 
     return 0;
 }