Pattern-3.cpp

#include <iostream>

using namespace std;

int main()
{
	int n;
	cout<<"Enter the value of (n) : ";	
	cin>>n;

	for (int i = 1; i <= n; i++)
	{
		int k = 0;
		while(k != (n-i))
		{
			cout<<" ";
			k++;
		}
		for(int j = 1; j <= (2*i)-1; j++)
		{
			if((j%2)==0)
				cout<<" ";
			else
				cout<<"*";
		}
		cout<<endl;
	}

	return 0;
}