OCR Numbers

Challenge Overview

Given a 3 x 4 grid of pipes, underscores, and spaces, determine which number is represented, or whether it is garbled.

Visit the ocr-numbers exercise on Exercism to read the full instructions and download the exercise files.

Community Solutions

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The following are the top 3 community solutions by stars:

Solution 1 by @MNhi (⭐ 0) — View on Exercism
Solution 2 by @Hto-to (⭐ 0) — View on Exercism
Solution 3 by @YeseniaTorres (⭐ 0) — View on Exercism

Source: Exercism csharp/ocr-numbers

💡 View Solution

public static class OcrNumbers
{
    private static Dictionary<int, char> Ocr = new Dictionary<int, char>()
    {
        [0xAF] = '0', [0x09] = '1', [0x9E] = '2', [0x9B] = '3', [0x39] = '4',
        [0xB3] = '5', [0xB7] = '6', [0x89] = '7', [0xBF] = '8', [0xBB] = '9',
    };
    public static Queue<T> ToQueue<T>(this IEnumerable<T> a) => new Queue<T>(a);
    private static IEnumerable<T> Pop<T>(Queue<T> q, int count) => Enumerable.Range(0, count).Select(_ => q.Dequeue()).ToArray();
    private static IEnumerable<Queue<char>> GetLetters(this string input)