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The Modern C# Challenge

You're reading from   The Modern C# Challenge Become an expert C# programmer by solving interesting programming problems

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Product type Paperback
Published in Oct 2018
Publisher Packt
ISBN-13 9781789535426
Length 362 pages
Edition 1st Edition
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Author (1):
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Rod Stephens Rod Stephens
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Rod Stephens
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Table of Contents (11) Chapters Close

Solutions

56. Roman numerals

There are many ways that you could approach this problem. I decided to use lookup tables to make things faster and simpler.

The following code shows a string extension method that converts a Roman numeral string into a long integer:

// Maps letters to numbers.
private static Dictionary<char, long> LetterValues = null;

// Convert Roman numerals into an integer.
public static long ToArabic(this string roman)
{
// Initialize the letter...
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