Recursion for Coding Interviews in C++/

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Quick Quiz on Recursion with Strings!

Quick Quiz on Recursion with Strings!

This quiz will test your understanding of recursion in strings

We'll cover the following...
Technical Quiz
1.

The task is to replace all occurrences of ‘e’ with ‘a’ using recursion.

void replace(string& text, int index, int lenString)
{	

  //base case
	if(index == lenString-1)
		return
	else
		//recursive case
}

What should be the recursive case of the following code?

A.

replace(text,index+1,lenString)

B.

replace(text.substr(1),index,lenString)

C.

replace(text, index+1, lenString-1)

D.

replace(text.substr(1),index,lenString-1)

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