Question

Language c++
write a recursive function program that prompts the user to enter the number of lines in the pattern and uses the recursive function to generate the pattern. For example, specifying 4 as the number of lines generates the below pattern

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

Answer 1

C++ Code:

#include <iostream>

using namespace std;
void printPattern(int num,int stars);//required method
int main()
{
int num;
cout<<"enter number of stars:";
cin>>num;
printPattern(num,0);
return 0;
}
void printPattern(int num,int stars)
{
int i;
for(i=0;i<stars;i++)
cout<<"*";
cout<<endl;
if(stars==num)
return;
printPattern(num,++stars);
for(i=0;i<stars;i++)
cout<<"*";
cout<<endl;
}

output"