Implement a function FolderNames, which accepts a string containing an XML file that specifies folder structure and returns all folder names that start with startingLetter. The XML format is given in the example below.

For example, for the letter 'u' and XML file:

<?xml version="1.0" encoding="UTF-8"?>
<folder name="c">
    <folder name="program files">
        <folder name="uninstall information" />
    </folder>
    <folder name="users" />
</folder>

the function should return "uninstall information" and "users" (in any order).

C# 7.0, .NET Framework 4.7 
 

  •   Example case: System.NotImplementedException at Folders.FolderNames(String xml, Char startingLetter) in Folders.cs:line 8
  •   All folder names start with starting letter: System.NotImplementedException at Folders.FolderNames(String xml, Char startingLetter) in Folders.cs:line 8
  •   Root folder name starts with starting letter: System.NotImplementedException at Folders.FolderNames(String xml, Char startingLetter) in Folders.cs:line 8
  •   Complicated folder structure: System.NotImplementedException at Folders.FolderNames(String xml, Char startingLetter) in Folders.cs:line 8

Tags
C# Serialization Public
Hard

20min

Score Distribution
Loading...
Would you like to see our other questions?

We have 500+ premium hand-crafted questions for 30+ job skills and 10+ coding language. We prefer questions with small samples of actual work over academic problems or brain teasers.

Visit our question library

Private Concierge

Send us an email with an explanation of your testing needs and a list of candidates. We will create an appropriate test, invite your candidates, review their results, and send you a detailed report.


On the TestDome Blog

Screening Applicants: The Good, the Bad and the Ugly

Since we’re all biased and we use incorrect proxies, why not just outsource hiring to experts or recruitment agencies? After all, they’ve been screening people for many years, so they must know how to do it right?

Not really. I was surprised to discover that many experts disagree with each other. Everybody praises their pet method and criticizes the others. Many of these methods look legitimate, but are based on...